#networking
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ur welcome
I know very little on vmware side...i deal with core infrastructure
Routers and switches and firewalls
the cool stuff
What kind of router/switches? Data center switches and PE/CE type routers or more access/edge stuff?
Vm's seems to start automatically, i dont want my mom to accidentally overload the ups and shut down everything when i'm not home xD
lol, nice π
ikr
first my dad tried to shut them off 2 days before, now this
she was so pissed off cause "there is an alarm going off in your room and internet is down"
@clear igloo , baby, hi. Can you confirm if I swap in a different model n7k card that the VDC assigned ports from the old card are wiped out even if I don't desire that?
I believe so, yes
Same for same should save it but different will wipe it
I wonder if suspending the VDC will prevent config loss and I can just put the ports back in before it boots again
In theory that could work
Though if I'm willing to do that i can just reboot it into the old running config
Yah
@clear igloo i mess with datacenter and core and edge and access
I even deal with a10 load balancers
Nice, I spend a lot of time on data center and core stuff mostly but I've worked on just about everything from campus wireless to some security stuff to 4G and branch routers/access switches all the way to the backbone. Haven't really done any voice stuff though, lol
The model of card could also differ on config
Voice is a different animal on its own
I try to help our voice guy and my head hurts afterwards
Yah, like I can make a VoIP call with some help and know enough to poke around in some of the configs but that's about it. I let the voice people handle most of it π
Same
You just shutdown the ports to secure it, duh π
When in doubt just do reload and hit enter
Lol
I have to get permission from most application owners to do anything that risky unless it's an outage situation already
Yeh same here....CR hell
Lab is love, lab is life π
Taking ccnp switching on tuesday
Nice, routing next or is that done already?
Yup
@random saddle good luck man
So i need to pass routing switching by that time
I was going to try and redo my CCIE but figure I'll just wait for the new stuff to drop since I probably won't have time to finish it all by then
Thanks...suck at testing
You just have to do training to renew
Nobtesting required
Yah but to get it the first time you have to test π¦
Yes
I missed my Data Center by like a small percent on the last lab and then they changed it >.<*
Ccie is op anyways
Also ENCORE was supposedly counted as "taken" so I get to go straight to IE lab in Feb
Woop woop
Nice
Yah, or you're usually doing some form architect level work for a company at which point they probably paid for you to get it anyway
Yah, CCNP is a very nice accomplishment
Going to struggle on routing i just know it
Letting all my Cisco certs expire this month
Just remember, the BGP bone is connected to the pain bone. The MPLS bone is connected to the suffering bone, and the multicast bone is connected to the stabby knife in your chest π
If you have tons years exp then your probly ok
Yah, I let mine expire a bit ago. Just going for the DC IE because I failed to get it last time and I must slay the beast
Goals are good
It's too expensive for no gain at this time. I'm 10 years IT, 6 years specifically only networking. Never did networking for small companies, all have been massive
If I went in again, I would like it to start being useful from day one, versus getting it now and letting the validity tick away as I'm still employed
I dontind juniper but man these things drive me f-in crazy sometimes.
Why, why do the interfaces just not exist anymore, oh you forget them..
Wat
@pseudo blade Sorry for the delay, ease of use isn't to important for me. I care more about performance
@west sonnet What kind of bandwidth do you want, how big's the area you're covering?
400 mb/s down, 20 mb/s down. I need coverage for a medium sized home, and a node for a basement with lots of stone
I can cable
Maybe a few of these? https://mikrotik.com/product/hap_ac2
Will look into it, thanks!

@waxen scroll Multicast! O_O
no.
sorry, my provider doesnt have it enabled
π
my coworker touches it sometimes, we normally leave it alone
Senders > Cat6K > A9K > MPLS Cloud > A99K > Receivers
Works just fine
Flip the senders/receivers around, doesn't work
IGMP and PIM is all correct in both cases 
its the firewall.
It's the Cat6K imo
even xeon knows to start wiresharking right away
A99 > A9K works with senders/receivers on both sides and in both directions
No firewall in the network so it's clearly not that π
its an access list
I wish
its sun spots, they wont RMA, im sorry
I blame @rocky badge for causing solar flares
ive been informed yesterday afternoon we had more problems
and it affected the alarm monitoring center
problems with the alarm panel?
i dont remember the model switch(es) but if you look at a wireshark, some IPs on the affected subnets are sending data to the default GW, but the dest mac address from specific IPs are using the incorrect mac
if you change those devices to another IP, it starts working fine
o.O weird
also FML i heard the affected devices this time are ethernet to serial
those are the WORST
ewww, like T1 serial?
alarms talk serial, the main panels can use ethernet to talk to the serial converter instead of direct serial
RS-485, etc
its like the bus between alarm keypads and panels
smart devices
i had a different problem at a different jobs global alarm monitoring center years ago
unicast flooding at 1Gb was killing serial converters because they ran at 10Mb
the SOC people got drove crazy by all the fault alarms (not just computer but actual beeping)
so im sitting in there and all of a sudden the beeping just stops.... "WHAT DID YOU DO?!"
i turned off the port on a server that was replicating in their damn alarm subnet
lol
it was switch firmware issue
this one though, its technically not my problem
but i promised someone on another team ill review the capture of the second occurrence of it
so im curious to see if the mac is wrong again
That would be interesting
@little schooner the packets never lie
also ill have you know bouncing the port and resetting the server didnt fix the wrong mac address thing last time
so why the hell does changing the IP work
and putting it back, it fails again
New ARP entry perhaps?
they even put a laptop on there with the bad IP
same issue
it was flooding the frame because it didnt know the bad mac... thats why i saw at the GW it was getting it but on the wrong mac
so ping didnt reply
this was 2 months ago so i dont remember anything else... like the OUI of the bad mac
i think it was cisco
@clear igloo oof
@random saddle hardest network troubleshooting story?
Oh man....ummmm
Given we have 3 datacenters....we have an issue with when doing dr failover bgp routes were not propgating properly and had to go manual
So had to locate interfaces and shut down and turn up ports to get routing to redirect
Hardest stuff would be traceing down a specific mac that is causeing an issue but showes up no where in the arp and mac tables
so are you THE PERSON for the network or just one of many?
the chosen one
no u
@waxen scroll we all are THE PERSON, you know that
Does anyone know a good modem? My setup currently is I'm paying for 1 gigabit and I have a crappy modem that im renting and I have a Google WiFi with the 3 spots plz dm links <3
Is your connection fiber or coaxial cable?
Maybe provide more information so we can help? Also don't expect people to DM you either if you can't provide enough information or stick around long enough to answer questions π
@clear igloo is it true that when you get paid more, you work way less?
Depends on the person π
< raises hand
i had to hustle until i reached low 70s
i think my managers boss makes like 130k and does 0 work
@clear igloo holy hell, wanna see a train wreck job description?
Sure
all those deadlines are impossible IMO
Ain't nobody got time to login for that
I did but don't anymore
Holy crap, and they want all that with just 2 years experience!
...but they have a game room!
Within 3 months of hire, establish processes for streamlining B2B provisioning and onboarding.
what the hell
"design an automated system that will automatically backup the configuration of all infrastructure networking devices." this one in particular is a bitch
Within 3 months of hire, develop a plan to seamlessly failover redundant links via OSPF in less than 200 milliseconds.
Tune your timers and use BFD, done
im reading this as they dont want to pay for products, so they want all custom stuff
Within 5 months of hire, engineer the network to automatically provision new customers from Sonar.
Like what the hell, some of these might as well say "3 months after conception, give birth to a fully grown man with beard"
and if they did pay it still takes a long ass time to get your devices into it
they only want mikrotik and ubnt experience too.... im scared to know what kind of ISP they're running
But hey, they'll pay up to $30/month for your Hulu/Netflix/etc and $35/month for gym fees
@hollow marlin LE CLICK the link up there. you do ISP ^^^
imma tell ya'll, especially xeon.... 3 months is not even enough time for training to end
legit shops give new net people up to 6 months to get their feet wet and learn business process
some even 12
Yah
"4. Unlimited opportunities for promotion." yeah, i get those at every job. i go beyond and never get promoted or bonus
so i quit for more $
π
@waxen scroll Jesus, that sounds like the expectations of my last job. The ISP infrastructure would have to be incredible small to learn it all int 3 months. Last and current are medium sized and after a year I was still putting all the pieces together due to lack of documentation.
ive been at current place 2 years and still dont know half of it. i just take it day by day
They sound very familiar setup wise with my last job.....maybe hit them up to get an offer for my own raise 
sure. remote is remote. dont die
"Regular team building activities." i dont consider that a perk π¦
i hope they dont make the poor remote engineer come in for those
one of my early jobs had mandated team activities
you could get out of it, but it was highly frowned on by mgmt
my old company flew everyone in for teaming building stuff
though every year one of them is a ski trip
so no ones really complains heh
Do we have a wireless networking guru that might have some input on an upgrade from an RT AC-1200 Asus router?
in vc
@cinder path What are you using to test it? Some speed tests arent capable of maxing out your 1 gigabit connection
What do people think of this router.
After some consideration I am considering getting this.
dunno. many people in here arent buying all in ones. i havent in years, so i didnt say anything xD
i use best boy UAPβACβHD at home
same
i have an AC-66U as a backup router and it only does vlans on the WAN π¦
i assume the software is the same
i'm looking to buy a new router
but i'm split on those two
this refurbished R7000
and Asus RT-AC68U
which one do you recommended for me ?
i'm kinda afraid of the refurbished of being defective
also does the network wifi card ac-number have to match the router's
Now I haven't read reviews but just on a surface level lookover of those two, they seem pretty equal in terms of performance on paper,
What i can say is that generally Asus's web config page is better.
I think for a deeper look you'll have to look up the reviews @earnest rose
i'm afraid of the refurbishment
I wouldn't be tbh
I've never had a bad refurbishment unit yet
But I made sure it was not seller refurbished and always manufacturer refurbished
i think i'll choose the asus one
also does the network wifi card ac-number have to match the router's
?
ok
i might go with the asus one
Thanks guys
you were really helpful
i'll research a little more
I have used an Asus Router RT16 and it performed quite well using 400mb internet as it has a gig wan port.
@random saddle gig port doesn't always mean full gig routing. Most consumer routers can only route ~500 before their single core chips begin to sizzle
You are correct aswell as i had ran in to that with an older one.
Can anyone help me out
Iβm trying to get the Ethernet port in my room to work
And whoever wired my house really shit the bed
The wire that is supposedly my room is coming out of the network switch however itβs not lit up
Even though I have something plugged into it
best way is to borrow a ethernet tester
to see if one innerline line is broken
or the whole cable
@somber copper a cheap cable Tester may help you. There are some rudimentary ones available on Amazon for cheap
Guys I have a problem with my home network: basically I can't access with any device connected to the first combo unit the web interface for the second combo unit. I've set up two different IP addresses (xxx.xxx.x.1 for the first and xxx.xxx.x.2 for the second one), the second combo unit has a static IP address and the first unit gives IP addresses from xxx.xxx.x.3.
It seems like I can access the second unit (D-Link DSL-2750B rev. D1) web interface only when I'm connected to it. I've tested the entire system before many times and it has Always worked fine (I could access both the interfaces while being connected to the first unit (leased from ISP). I don't know what went wrong
Sounds like you used the wan port on the second one instead of using the switch ports to go to the first one
Nope. Both are using switch ports. Port 2 (1st router) to port 1 (2nd router).
I've noticed that the 4th port on the second router (that I used to configure it) now seems not to be working correctly. It blinks for activity (mening it's working fine) for 2 seconds then turns off for a bit then blinks again for 2 seconds
I don't know what went wrong
They are connected via a 12 m CAT6 S-FTP running in the electrical line tubes with the 568A cabling method
@ me To reply to me, please I have all the other notifications turned off
VPN on PFSense works pretty well if you have an AES-NI CPU. Which I should recommend getting. 1G is pretty easy to get with modest consumer hardware. If you are going for 100G or more, then you are looking at those crazy expensive Intel CPUs that have the direct networking connection. I think they call it infiniband or something. At that point you are really looking for dedicated router hardware which would be much cheaper (but still very expensive because itβs 100G)
@ornate notch pfsense cannot handle even 10gig on current code (I can't remember the name but an update will boost this to 100gig) and 400gig is not hitting production until later this year.
As Bryce said, choose the right chip and gig should be easy
It depends on packet sizes etc
TNSR is what netgate are building on now that will support more bandwidth, but that is not opensource
1G any of the 4 lates i5's will do without problems with an intel NIC
If you have an AES-NI CPU (and software that supports it which PFSense does) then 1G VPN is pretty easy
Yeah 1G VPN is easy to get
@jaunty talon line rate 1gb 64 byte packets please
Anyone play with Hyper-v here?
having issues with hyper-v manager from my desktop to my server
I can edit the virtual switches for some reason but Won't let me touch vms
Haven't seen that before but that error looks like as if the hypervisor didn't have permission to read the drive in which the vms are stored on or the path is unavailable at the moment
Or maybe the hyperv service isn't running?
I can edit the switch settings
so maybe?
I can also try to make a new vm, but for some reason it will let me see drives to put the new disk but then give an error about not enough space
non domain
followed about 12 guides to try and get things working to make permission issues go away but I am stumped at this point
At this point getting tired of 2 layers of remote desktop
the things I can think of is either make a domain
or just swap the hypervisor to v-sphere
3 years later π
Ok, so a TTL of 255 sounds absolutely ridiculous, like how many visible hops are you actually going to make on your way to literally anywhere else in the world? Like maybe 30 at max. The worst case scenario, is Satillite LTE, where you also have to register with an ISP for WAN, where there are government internet filters, and everything is NATed, like NK, then travelling via short range microwave hops, to the other side of the world. That would be about 39 hops, taking into account the bad routing structure.
8 hops for Country wide NAT, 3 hops for Government Surveillance, 6 hops for internal ISP peer routing, 12 hops for short distance Microwave peers, 10 hops for destination country routing between destination and Microwave peer.
What's the question?
TTL is there for loop prevention
Sure 255 is a lot, but does it matter?
is the Archer T6E outdated?
Yes, it kind of does matter, because we can save 2 bits per packet by changing the ttl to 6 bits instead of 8.
TCP/IP is super bulky.
@fleet widget it was hard enough to get the world to adapt tcp/ip. It's like near impossible to make major changes to it without cooperation. This isn't talking about Ipv6 either
I'm not talking about internet1, I'm talking about internet2, HPC.
There honestly needs to be a light weight TCP/IP protocol, with the same reliability.
@waxen scroll is there a term for when an implemented solution creates a new problem that was not foreseen?
looking for a new network card for my xps 15. What's a good replacement, or what should I be looking for. Beyond the fact 2.4 and 5ghz exist, I've been out the loop on wifi developments
@fleet widget can't take 2 bits away, packets are broken up into bytes and nibbles for processing efficiency. I don't think I have ever seen a 6bit segment.
While TCP/IP seems bloated, it's competition was not far off. IPv6 fixes a lot of this bloat (wasted reserved bits) while being a larger header because it can be processed faster than v4. Also add on the fact it has proper MTU scaling built it means once everyone finally upgrades, larger packets can be sent dynamically giving a better header to data ratio
Ah, ok. That just won't happen in the next 10 years though. They are still teaching ipv4 as the primary thing in the tech schools.
More like 20-30 years. IT tends to move in generations as older people who cant bother with change leave and new minds enter
It's akin to radio. We still use it even though it's more than like 80 years old
They still haven't changed that much in the car
What if the Copper SFP+ module is about 1 meter longer past the 10G length limit? It'll still function right? Just like at 934MBps or something?
Probably nothing. Or you might start getting crc errors or something
Okay well I'll find out soon enough once the equipment arrives
Thing is, I couldn't measure the distance since the network admin is on vacation and our grant guy asked us to send him the things we would like to buy asap
I really hope it is under 40m
I thought Cat6 could do up to around 55m
internet2 isnt real, its just a provider who provides links like everyone else
π€
@clear igloo i could call my work MPLS internet3
@waxen scroll wait, like internet2 wasnβt a joke... please donβt tell me itβs a thing
its a thing
but its not what people probably think
Internet2 is an exceptional community of U.S. and international leaders in research, academia, industry and government who create and collaborate via innovative technologies, advance national and global education, and continue to define "what's next."
2 companies ago we were engaged with them about some pipes
its a peering exchange for research people but you can also connect to internet and other things
its not some new network internet with special sauce and special TCP
Anyone familiar with Cisco 2811 network switches? I am needing to do a quick basic configuration that has atleast 2 VLANs so I can demonstrate my NetPi project for class. I have a Cisco 2811 switch. Just not 100% sure what commands to issue once I'm in the configuration terminal to create the VLANs. If anyone can help with a list of the commands I will need to issue, please feel free to DM me.
pretty sure it's just
vlan [x] with whatever number you want being the x
or int vlan x
name [OPTIONAL]
!
vlan [number]
name [OPTIONAL]
!
interface [ROUTER]
[like what you see? paypal $45 to unlock]
!
interface [DEVICE1]
[like what you see? paypal $45 to unlock]
!
interface [DEVICE2]
[like what you see? paypal $45 to unlock]
!```
also pretty sure 2811 isnt a switch, but whatever
@hollow marlin u been quiet today
i pasted you the sauce
@bold karma 2811's a router, can we have pictures?
@pseudo blade itβll be Saturday before I can get pics. I left it at the school instead of lugging it back and forth
@waxen scroll I begged and begged and they refuse to spend the money to run fiber for our SAN
Also they were saying that they wanted all of the grant bought equipment servers to only be in the server room, not classroom
And we just finished racking up 3 full racks of gear
I'm not about to move everything again
This rack doesn't even have wheels and to get maintenance involved takes weeks
@waxen scroll they are pretty quiet with the door closed. The teacher uses them for lab activities with his forensics, ethical hacking and Linux students
It's like a non prod server that he can let students mess with here and there
The vms on it, that is.
The doors are thick and heavy. Some sound does get through but it's still quiet to teach regularly
anyone have any recommendations for what i should do about this. Basically its been like this for days. And nothing has changed except for getting a new desktop. Do they really just passively eat bandwidth or something?
@cobalt cradle what is the speed your isp is supposed to give you?
im not sure on that, that's something i'm still looking into. Im looking at firmware settings on the router. It says im getting 13 mbps on download speed
and .988 on upload speed
which im the only using wifi atm
using wireless a factor that has multiple variables of a reason for slow speed
have you used an ethernet cable and tested again?
nope, I actually did try to find my ethernet cable, don't have a clue where it went. Well thanks for some recommendations. Still have to look into if my ISP slows down connections if a limit has been hit. As far as ik they don't have data limits but that doesn't mean they can't throttle connections after a specific amount
hello @clear igloo and @little schooner
Morning π
lol
π
;X
They will come in an ESD bag, inside a padded bag, inside a tube, inside a box
we have a new SFP policy. no more ciscos for server to switch
only switch to switch
even that might change
we get SR's from another vendor for under 100/ea
Nice
Cisco SFP-10G-SR Compatible TAA Compliant 10GBase-SR SFP+ Transceiver (MMF, 850nm, 300m, LC, DOM)
we cant use FS
oof
FS doesnt use vars
i dont know the story behind that... its probably because it takes forever to certify a new vendor on our end
like those are $18, so we'd save a crapload even over what we are buying now
yah
@waxen scroll teacher dropped a brand new unifi AC pro about 15 feet down from a shelf.
I hope it still works
@little schooner no reason it shouldnt. Be more worried about the software
LMAO you troll
Hah good one @hollow marlin
@waxen scroll is it safe to say that most commerical vendor solutions are not built to scale big?
By big you mean massive? No they're not
define scale
most network management products dont work at my job
and by dont work, i mean cannot support all devices, netflow streams, etc without buying multiple of the product
a lot of the time sales people get greedy and refuse to cut deals. they see the license for 80,000 devices and drool. when we say we dont want to pay in multiples and that we want to pay only for one system to handle everything, their pride makes them stop talking to us. no sale is better than half a sale!
Massive, yes
we are willing to have multiple instances in some cases, but we dont want to pay for multiple systems. the product should support as advertised
I see.
lots of these vendors toss out "yeah, our product supports 100,000 devices"
then when push comes to shove and you're the first customer with 60,000 devices and the system is choking.... lmao?
another problem is vendors who serve niches
riverbed is a big one
the people who buy their products are mostly huge companies, so they're priced that way
@clear igloo muh ixia. muh spirent
you should see riverbeds netflow tool
I've heard
holy fuck is it complex. it has to calculate what you want in real time if you dont set up pages that automatically calculate what you want every hour or so
so its super slow in getting the data. it doesnt scale well
to its credit, when it does load, its one of the better netflow ive seen
their sales people are sharks too
they know when you're bleeding just a little
"hey, can we talk about [another new product]?"
i havent worked with solarwinds sales yet. thank god
i read reddit. thats my nightmare
xD
i made the mistake of giving them my work email for a free tool
pretty confident it got sold to some list
at this point i cant even put my job on my linkedin because within days its scraped and i get spams
yah
Is it safe to give out the Google voice number as a burner to sales rep? Or you think they can reverse that too?
Veeam didn't want me to sign up with a personal email, so I contacted them and they got a database admin to make a special exception
But it was only for my email, not the entire public domain
I was dealing with a teething issue of my Veeam backups being unrestorable
So I was backing up for fun while dealing with blue screen bug it does when I try to restore
Wasted time, wasted electricity, nothing is worse really
@little schooner working at an ISP I just create a number to give to a sales rep then delete it after. We have a pool just for this. After they get the number is not in service they stop calling altogether
Lol can a vendor really do this in order to.
Maintain support?
They taped off the hdmi and vga port
what the hell
This is at a dentist office
if you're in the US those could be illegal
"warranty void if removed" stickers, that is
Yes I'm in US
interesting
Probably the most strangest placement of a warranty sticker I've seen at least
They basically took the video access away from the board
Use the serial
Say fuck it and jam the VGA into the port. Pins should pierce and work. Then tell them you technically didn't remove the sticker
If they want to play that game
that's wack
probably. the sticker isnt touching the case cover
Hello. I had a question about networking. So I am planning on building a new gaming pc for me. If i get multiple HDDs and made them a drive on the network so any pc connected to it could access the files. Does that work too with phones? and if so. how does it work?
Any one here can help with domestic networking?
yes... @clear igloo is great with T1/ethernet MPLS, DWDM, layer 2 point to point and more
mynameisjuan knows radio
I'm a fresh ham op so I know very basic radio
Seems I sorted it! Well, I'm more informed.
Issue was many flats ethernet ports leading to a patch panel, then a single domestic router, WiFi and integrated switch.
I wanted to know how to access the network, seems as simple as connecting the switch to the patch panel and the port to my Pc.
My friendβs SpeedTest server got in an LTT video!
It probably is I assume. I was sent it by another friend who sent it to our group chat
Yea it's on floatplane
Why do so many places think the best place to install network equipment is the place you need to be a catortionist to get to
@waxen scroll almost all sites I have to go to install a circuit is like that. Very few have decent closets or even a CO
Anyone have experience with Juniper MX204 routers?
I am setting up a WISP/FTTH/Colo business and have a 10G transport back to the datacenter where I peer with the internet exchange (SIX in this case) and the rest across 1 (and at some point) more providers. I've been looking at the MX104 but I fear Juniper's lower end routers like the MX80 and MX104 are older and use very old, slow PowerPPC CPU's that take 15-20 minutes to process a full BGP routing tables.
@full gorge juniper is our main platform. We still have a couple mx80s, theyβre slow. Takes forever to do anything on them, not just converge. But other than that we have Mx 10003s that handle BGP, huge step up. I donβt know how fast a 204 because I have no experience with them. A quick search did show 204s converging in about 15s.
I presume the timeframes involve downtime whenever the router needs to write a new static router, null a route, etc? I come from the data center colo side of things. Learning a lot about the core network
Hopefully my logic makes sense!
@full gorge the time frames are only on convergence. Adding a static route or nulling introduces an additional route into the RIB along side the BGP route. AD takes over at that point, no downtime because the BGP route is still the best path and doesnβt need to be re calculated.
Iβm the opposite, Iβm in the service provider world and no nothing about datacenter design
Iβve been told by another ISP that Each CPE Radio, MPTP access point and FTTL OLT would have its own IP address which will be used for legal compliance, spam monitoring and malware detection, etc. ipv6 is free and v4 inexpensive to lease. I presume the Juniper could handle DPI for both stacks ? Or am I totally backwards ?
I wouldnβt do DPI on the MX. if you want DPI I would go with a vendor that has better signatures like Fortigate. Most DPIs on vendors like Juniper are just thrown together and we tried it on an SRX cluster and it really caught nothing durning a DDoS.
By law here in NY we need to have a way to trace an IP to a customer, but that doesnβt apply to the ONTs/CPEs. The IPs you are referring to are just for management.
As far as dual stacking Juniper handles it just fine
Ahh. I didn't see anything for WA laws. Issue is it'll be difficult to trace the malware/spammer/abuser/botnet, etc back to a specific computer. Its bound to happen with hundreds of customers. I've got a stack of servers in my garage from my last company that could use a home. Perhaps they could do DPI at the tail end of the circuit and just let the MX handle the routing between bandwidth providers. I'm just going to lease IPs at $1/mo each for now and later buy a /22 at auction.. hopefully before its $30,000
We're pushing gigabit wireless to a bunch of houses, condos and business in a small port town
@full gorge I have worked with MX80, MX204, MX960, MX10003
Thy whom dies with a lot of IPs wins to some degree.
I'm new to them. I just came from Meraki, hated it.. good riddance
MX204 is a awesome router tbh, for pricepoint and performance
I use Ubnt at home.. but for commercial I think its not good to cut corners
If I would run a MX80 or other PowerPC based stuff, I would do default route from transit and then just take in the routes from IX
and just set a local-pref on IX prefixes
local-pref is a bgp setting that you put, which will tell which preferred way you want the router to send traffic to routes installed in the machine
if you put a higher local pref than the default route, all traffic that matches routes from IX peers will over IX and not transit
Ahh. I have traffic from two places. 1G CDR from one provider and a cross connect to SIX for netflix, facebook, youtube, amazon, blizzard and valve
10Gbps to SIX though
and in this case all traffic that doesnt go over SIX will go over CDR?
in that case the CDR is your transit provider, and I assume you want to send all traffic you can over SIX as it will be better for you?
99% of it it will. The rest has to go over another provider or MPLS blend for the test of the web
If that's the case, I would ask for a default route from CDR
Yeah. With that said, I wonder if I can get away using some older hardware. I have 1/8 cab. might end up just going full cab for the small difference
In that case you could do it with an MX80
I have that setup on one MX80 setup
I have two transit providers in that case that both send me default route and one peering session with cloudflare over netnod
about $3500/ea on ebay
yeah
I might as well as let the DC cool the big loud hardware
Sure do
lots of KPUD resellers who pay $10/mbit (just IP)
I get bandwidth far cheaper
if you can't compete with FTTH, sell them b/w!
there are a few other ISPs on the same backbone that goes through the county, so they buy really expensive IP where I'm just getting as 10 Gbps transport and getting cheaper b/w to sell to them.
who is us?
i spent 2 years making youtube full time.. no thanks
Thanks for all the info
Ayyo guys, are they anybody who has work with some Cisco before?
Plz dm me, I kinda need help
I won't DM you but I'll help you here π
guys please tell me about static ip if it ensures least packet loss ig??
Yea, not at all. Itβs used for business running publicly accessible servers
Is it normal to see 10/100mbps switches all around in small business environments?
The dentist office we upgraded had so many of them everywhere
But the main switch in the closet was gigabit
Dlink 16-port unit
The server was running server 2008
Zero patches installed since 2013
Wouldn't surprise me, no
It's my first time doing a office upgrade outside of a school environment
I'm glad that they were so willing to just spend money for all the good stuff. Like O365, new desktops, new networking switch and backup system
All on the spot once we identified problem areas
It was like a dream come true. No hassle with price about the required new hardware they needed
definitely an ideal selling scenario there, nice
Bleh, RouterOS bugs. bad dynamic route from nowhere, went away when I disabled and re-enabled the link.
Came across a router today, users were complaining that they couldn't access remote services of certain protocols. Found out the router in question was NATing all packets to a specific port regardless of direction or interface to a specific local host on that port.
@pseudo blade Yay NAT!!!! Was this a Mikrotik?
Yes.
That is a mikrotik bug?
@pseudo blade
I got to make a new CAT 5e cable run today in my room, because my connection keeps downgrading to 100mbps
Or maybe I should just buy a replacement cable.
@little schooner Not a bug, it was configured that way.
@pseudo blade who I'm their right mind would configure it that way and how has it been working
My employer configured it that way. Since late last year.
It was obviously a mistake, you wouldn't do this intentionally.
That's weird how it was working before though
If it still works configured wrong, that is bug
But it's nice that mikrotik is basically super stable. I am still using the one you recommended me outside
That thing basically never needs a restart
It's been in 1 F and as hot as 105 F and it functions the same
I have a question about sharing an ESXi environment with end users (not other administrators). From a management perspective, is it even possible?
@little schooner I don't get how it's working for a year with little problems by the sound of it.
Also yes, Mikrotik is the shit, I love it and have next to no problems with our customers using them
@waxen scroll esxi, sharing with end users. A lost cause?
The way to do it is having like vnc or remote desktop where they jump to and then go from there?
i dunno what you mean by sharing esxi
it sounds like you want remote desktop, but then it also sounds like you want to share the admin panel
@waxen scroll I just want to share the Vms with end users, but don't want them to be able to reconfigure VM, or see anything that isn't assigned to them in vcenter
yes, thats possible. managing it would be annoying, but whatever
The last time I tried it, it showed too much information still
As if vcenter wasn't designed to share with end users, but rather admins
But this was some time ago
Maybe it's changed since? I don't know but it's something in one lab we want to implement
@waxen scroll yes the user management was a pain
Because each student would have to be assigned one every semester
And what if they were part of two classes? It gets complicated. Maybe it wasn't the right way to do it
my school was doing non-VMs... we got a removable hard drive caddy with an XP install
each student was assigned one
xD
i think citrix + individual VMs might be the answer here, but if you dont already have citrix its not cheap
citrix is able to start VMs that have been shutdown by the user as well if i recall
remote desktop services on windows server might do it too? i know very little about it
Hmm alright. Yeah Ill keep the options on the table. This project is for the winter break.
I got some time
hey network devs, i have a couple questions about setting up an openvpn server that handles heavy processing but no ftp
basically vm server that handles everything on the host
i don'
i don't need to worry about resouces
but as a newbie to networking some of the setup is a bit confusing to me
Are you looking at a dedi box or vm? And whats the purpose of the server?
autocad over vpn
What autocad version and whats the VPN speed?
right now 100mbps and 2016 autocad
i would be running a host os with vm for the client
I have never heard or worked with autocad so I got no clue for you mate.
2016 autocad will only run on windows 10 so just think of the application as a heavy steam game
Yea its like a a blueprint drawing almost I looked it up, but I don't have any experience using it.
I would need to actually see the software to be able to help
the software is not the problem
oh?
just setting up a server as a vpn is the larger issue
its cause your hosting on a vm?
yes
pci passthrough is relativly easy
but the hard part is setting up the enviroment to be accessed outside of my computer
err i mean server
Like remote connection?
similar
What OS?
I have barely worked with ubuntu, installed on old computer cause I didn't wanna pay for windows license after I did a hardware change and I couldn't figure out how to set up docker so I got nothing for you man.
well thanks for trying
Yea sorry networking isn't my field
what do you do normally
I would rather build
i see
Building servers looks hype though
well with 40 cores it gets a bit hot
Hopefully someone can help you out man. Im going to eat so maybe after some food I can help you out
sweet thanks
Np
@prime prairie are you guys planning any ubuntu server video anytime soon?
Hello,
Can anyone with better skill with ipv6 and iproute2 than me can look into this ? :/
https://www.reddit.com/r/ipv6/comments/cv8aed/tunnelbroker_use_ipv6_from_routed_64_debian/
i dont believe " post-up ip route add 2001:470:1f0b:307::/64 dev ens192" is necessary unless they told you to do that. as far as putting a default route in, usually there's different commands for v6. for example ipv4 might be "ip route" and ipv6 might be "ip6 route".
also since this is debian or ubuntu, its possible they depreciated iproute2 for another command set
ip route does work in ipv6 (it autodetect the format)
and it wont let you add a default?
The default use the address from the he-ipv6 interface :/
Yeah but how can I use my routed /64 by default then? π€
so is the goal to just use that as an exit or is it to use the linux box as a router for other computers for the /64?
It's a standalone vm directly with it's own public ipv4
The goal is to use a address from the routed /64 for ipv6 connectivity (so in and out)
ok, i get it now. i dont think you can just do this simply.... if you host services on the box using ::1 i believe it will work just fine, but with the way the kernel works I think it uses the address closest to the next hop when you request to open connections. im not sure off the top of my head how i would force it without a ton of hacks
perhaps multiple routing tables, perhaps iptables mangle, perhaps traffic marking
its not really easy
hopefully someone else can chime in
i did something similar to this with two paths and two gateways back in 2009 but if i did save those configs its so buried in archive folders / zips i dunno if ill ever find it
Β―_(γ)_/Β―
tu put it really simply here's the setup
(don't have visio on hand so mspaint :'])
(pfsense has a public v4 + a /29 public v4 routed and the only /64 that Hetzner offer)
(vm 1 and 2 have their own ipv4)
(but no native v6 since it's routed to the pfsense)
i found the document. its not relevant to what you're asking. it was to use two IPs in the same vlan/subnet across two interfaces and it was meant for hosting, not connecting from the server to other things
@jaunty talon maybe this is in your wheelhouse?
Is 3 feet a good enough extra cable to add to a run that has been measured?
Or should I do like 6 feet or something?
For a home setting
i do 10-15'
but thats with me having a bulk box of 1000'
usually after i cable manage it i end up with 5' left
if some how you managed to measure it cable managed, then 6 feet i guess
ok i found the solution
(reddit but it works)
(i feel super dumb right now)
@waxen scroll no looks like you were right. After cable management, I only had 2 feet left. I did 4 extra feet
Next time I am doing like 10 like you said
I also have the 1000feet box
It's not cat 6 but it'll do for cameras I guess
@little schooner you don't need cat6 unless you are pushing max length
And if the distance is really low, 10g can be possible too
Iβve done 10gig at 30m on cat5e
sure, STP ;p
Linus did a video on that
I'm in the testing phase of the new copper cable for the cable modem to see if that was the cause of the downgrading from gbps to 100mbps
If it happens again, I will have to blame the Edgerouter
I've replace modem and cable but not router
@little schooner turn off auto neg and force gig/full
@hollow marlin I'll give that a try. I tried that with a Cisco switch last time and it ended up failing
I hope it works better with this situation
With Cisco and most vendors you need to it on both ends or it just doesn't work
But auto neg fucks things up more than not
Oh. Oops I only did it on one end
hello xeon!
did you know that on many new cisco datacenter products, copper wont work unless you manually set the speed?
π€
Didn't know that
But so far since the cable swap, the link hasn't downgraded yet. I'm waiting for that first and will then do the manual set.
If it ever happens
Is Edgerouter supposed to run hot?
It's been running like hot hot since I bought it a few years ago
Is it fanless?
it will run warm, but not uncomfortable to touch hot
my arris modem runs like 2-3x hotter than my router
@waxen scroll That's a 5500 and N7K issue π
you call it an issue, but your bosses call it a feature
π
it got me pretty bad before i knew about it
my laptop was having link lights and the interface said down
its cute
xD
Lol is there a way to bypass the login thing that appears when connecting to their network
Yeah we use those little APs at the college I manage
i suppose you can maybe snoop a mac address of someone active and assign it to yourself
depends how it works
Can't people just rip those off the wall?
@hollow marlin yes it is fanless
But it's too hot for my taste
And it's sitting on top of an edgeswitch, which also gets hot
But gets hot from the router's bottom.
I wonder if it's because PoE electronics are always on 24/7
I should of sticked with an Edgerouter lite
@little schooner unless it's throttling dont worry too much. Like out SRX300s we deploy run at a toasty 67c with no load.
Network equipment runs hot without any cooling
ER-L is old news
i use this sexy baby
my ER-L died on me after like 5 years lol
just look at all the holes for venting!
@waxen scroll SRX300 is a sealed chassis as well. Case is the heatsink.
ER-L and ER-4 just work
set it. leave it.
now UBNT wireless, we can debate
actually theres an * for ER devices
if you dont UPS them, they might blow up after too many power outages
the flash file system is kinda eh
Just realized all the devices in this network are all in the same subnet. Isn't that kinda risky?
I mean, I can ping them
The dentist office did not want vlans, so they said put everything into one subnet
What happens if I don't ground the networking switches that have a nut to attach a ground cable to?
Is that really necessary?
no. ive never done it
generally the cabinet its going in should be grounded and the device can get ground from either the outlet or from the rack ears attached to the grounded cabinet
okay. Well that makes me feel better of just putting it on top of a ceiling tile then
I grounded my edgerouter just cause I had a ground wire nearby
its the only thing in there really.
I remember my DGL-4500 router was shocking me just by touching it when it was powered on
that was not good
yeah, mine doesn't have the three prong
but, somehow not getting shocked so its grounded somewhere i suppose
When I touch my cisco switch without connecting the ground wire I actually feel a little bit of current flowing
Dont think its normal
i hated working with ground wires when i was at my first two jobs
crimping them onto the bus was hell
You mean crimping that metal thing with a hole to bolt it to the bus bar?
yes
I've never crimped such a cable yet
you usually are on a tall ladder or under the floor to get it done and its a bit hard to get leverage that way
XD
also those same facilities cut out the electrical unions and i got to install new circuits
:X
Are you also an electrician?
nope
Oh
Didn't knew these things were handled by networking engineers
you take these boxes, go up to the bus, twist in
Usually electricity related things have to be handled by certified electricians and stuff
that bus bar has a large amount of amps in it, i dont recall how much but could be easily 1000a
so dont get your fingers in there
Oh damn
LOL
I just jammed a pen into these uk sockets to be able to plug in the charger lol
also i wasnt a network engineer at those jobs
i was a datacenter tech
anything from installing new racks, wiring bulk cat6, doing server configs if the customer asks
Ye I still don't know the difference between all the networking positions
theres only 4 generic network positions
fits 90% of everything i would say
operations, implementation, design, architecture
what i was doing was not in this realm of job duties
its also a lesson i learned the hard way. not once but twice
dont apply to a company thinking you'll use your position to get the one you want
rarely works
π
i was super naΓ―ve that i could take dc tech jobs and grow it into a network engineer job
Did you got another job then?
yeah. ended up pushing too hard for a promotion and got fired
Oh wow
landed in a network tech job at a massive company 2 months later
Didn't even took that long to find a new one
π
the job i have right now... same deal. got called one day
the sad part is i have more success with random recruiter than people i know whose companies are hiring
getting hired in network is a pain heh
Ur scaring me now
i thought you already work in network
moral of the story seems to be to push for a promotion so hard you get fired and then a job will find you

lulz
at that same job i had an active CCNA and they made me take an internal "CCNA" test that an engineer of theirs made to even get enable access
that was insulting
@waxen scroll I did an intern in the IT department (that's where the network room pic came from) of a big company. I'm also 17 so.I cant work yet I dont even have ccna
o
though bold of you to assume just a CCNA will get you a Networking job ;)
its really not
but i havent seen the new ccna version that just came out
i assume same problem since its no longer just route/switch
what is it now
dunno. just heard it covers more topics like wireless
more topics means less time on others
my CCNA Sec covered a bit of wireless
not sure if that was just my teacher deciding to do it, or if it was part of the course
Yeah new NA covers more topics but less R/S. Which is dumb because R/S is the core of networking
@waxen scroll
oof
https://www.tomshardware.com/news/globalfoundries-files-patent-lawsuits-tsmc,40240.html
OOF
Doing away with the core skills is not that good.
What is cisco thinking?
That the workforce is disposable and people just need to specialize in a specific thing instead of looking at the whole picture?
should I do this update?
i mean they're not removing r&s content
oh.
I haven't read up on it much but I would imagine they will apply R&S concepts to more areas instead of having it standalone since R&S isn't just by itself. It applies to Wireless, Data Center, etc.
wireless is the future though, it's not like you don't apply routing and switching concepts with wireless
it's just the same thing
Yah
Would like Docker help....
I have a Synology NAS with two Ethernet ports, and I have an IOT network that is separate from the rest of the main network, the NAS is connected to both, how do I get a docker container to only work on the IOT network or second Ethernet but not the main network or first Ethernet?
@clear igloo @little schooner you should specialize!
thats how money gets made
why get abused as jack of all trades for $50k when you can do datacenter switching all day for $100k
specialization also = no end user support
you strictly support IT users
I will specialize, I just haven't pinpointed it yet in what
I did like working with the cloud solution like the office 365 admin center. But i haven't used the other cloud providers yet
something with cloud, I think I will enjoy
i like networking because its hard to get rid of if you're experienced IMO
bla bla cloud.... you know what the business cant get rid of?
their own networks.
most of them dont want 100% work at home
I cant say i've done advanced network deployments, just the small business and school ones
but yes that is something im good at setting up too
the office likes their gigabit network now
also server admins have a tough time in cloud when it comes to network as far as i can tell
still need a network person on staff to help
yes
the two cloud migrations ive seen were actually quite complex network-wise and i dont think a server person with limited route knowledge would pull it off
load balancer too
there was a business thats sole job was to sell load balancers to people
somehow they make it profitable
specialization in exchange is pretty good too?
if you can even do data recovery too
im noticing a lot of exchange moving to 365
we did that for the office we upgraded too
They like it better. now its a professional email too
DBA idk TBH.... i think they're still relevant but i cant say for how long
Im not sure who did it, but I got hold of a DBA at Veeam to permit my personal email address into their registration system
they made some kind of exception statement or something
many of the DBA i know are lazy and only admin the DB servers versus actually being a partner who analyzes queries, makes recommendations, etc
DBA at TestOut also helped me change the name on the IT certificate
that was pretty strange how the guy did it casually
Typical DBA speak: "my server is FINE... its your network"
they dont like when wireshark makes them work
yeah. and thats when you throw in the The packets never lie expression
@waxen scroll what do you think about having 20 different vlans for 20 different groups of virtual machines?
Does that make sense to do?
Basically a student is isolated to a set of VMs
that cant talk to other VM sets
it honestly doesnt matter and if they're "groups" thats good for security reasons if you have a firewall in there..... but if the VMs are doing a lot of chatting amongst themselves it might be smarter not to because then a router has to process all of it
Okay, so what if the switch could also route? The processing could be isolated to the lab switch for all the stuff
then maybe the only traffic from student PCs would be remote desktop?
but its one way, student-initiated
yes
So the only traffic im expecting to hit our core switch, the one that needs to stay up
doesn't suffer from the load from VM traffic
if i was your network admin, i wouldnt want that exiting the lab to my routers....
Right it wont, there will only be one rule to allow rdp in just to be able to see the screen
but nothing can come back out the other way
seems like it can work? or still risky?
lol not this lab unfortunately
the problem though is updates, authentication, etc
my labs had their own AD, internet, etc
Hmm... okay. So we happened to have two ways to access the internet. One hits the datacenter in IT office and the other one is controlled by the unversity
but of course, the university blocked our room before June
They didn't even tell the professor why
So we have a janky fix by going through our datacenter that the grant money paid for and run everything through that
with at least three different switches
its just terrible.
By our datacenter, I just mean the space allocated in the IT office. Our section
the rest of it owned by university
you have a shitty situation, my labs looked similar to non-lab.... datacenter and all
;p
also, after we racked up everything, the supervisor THEN told us that we could have all our equipment in a new, accessible-to-us-only private room.
are they not going to let the lab have internet?
but we just moved everything and cabled it up
@waxen scroll That is correct
They said because the professor doesn't want IT to manage the room
that we can do what we want
and then this happens
theres a compromise for this
they just take internet
its sketchy
Well, its just lab equipment really in there
like 2960, 1921s, dell optiplexs
console cables, copper and wire making stuff
you can put a device on their internet segment (needs public IP), make a tunnel to a device in your lab, then route internet through that tunnel
A tunnel, as in like openvpn or something?
or if the internet is in the same building, you can vlan it into your lab
The issue is their internet also blocks all ports on the outside, so we cant tunnel in from somewhere else
nahhhhh
when you have public IP it should be before their FW unless they decided to do a DMZ thing
but even then they cant argue to unblock all ports to lab
its airgapped
Well, when we plug directly into the wall, it gives us another IP within the 10.x /22 range
it doesn't directly hit the internet yet
There is like another router on the other end
haha but then guess what? they only allow static IP addressing there on the port now
That would really help us. because man oh man, these people make it hard to make it better for the students
management doesn't see the value add this has for the students
EVEN WHEN we are getting the grant money like nothing
I believe it
he didnt realize it, but he taught me 10 years ago
he wanted similar to what you want
I just couldn't believe that my professor was the only one who requested and got away with this
unfiltered internet access from a lab
i told him he would need to buy comcast because it wasnt possible to safely do what he asked
I see it too, yeah.
I like to reshape my thinking if I can
Dont want to put the wrong thing into prod/lab
he wanted to link labs at many campuses together over the internet for teaching purposes
its easy to do securely if you have your own internet
good point
accomplishments i see
Yeah, I still haven't done stuff like that large scale
ill get somewhere eventually
i think we could have maybe hacked him together something IF the campuses werent on T1 or other crappy circuits
Yeah... our IT department would say "Its not our problem, we can't support your lab"
they wouldn't even attempt to offer help
At one point, he wanted to run Moodle platform instead of one like Blackboard
And then he find out that he was liable for all lost student work if it were to get deleted or someting
and he dropped the idea
you'd need a dedicated team to support that. the full time IT staff have too much on their plate to constantly get tickets about adjusting the lab
Your right. I think just over this past summer, there has been at least 50 different adjustments
whether its with cabling, software installed, scripts to run, or maintenance of the profiles on the machines
oh and the request of classroom management Veyon software
like a lot of changes
IT would hate us.... so much
@unreal wedge page #2
@thick minnow sounds like you have the hardware already; if so I would say test it out. Routing 1000/1000 at line speed is tough to do but that quad core part should be able to do it.
I can't speak to the software, however all of that is just a fancy GUI for iptables, iproute2, and tc. Sooooo you can get the same performance doing a basic as hell config in CLI. End of the day use the one with the most features
Hello
@clear igloo rightttttt?
@waxen scroll it makes it a hard sell for a small business that doesn't have IT staff but a person who can navigate a GUI
The dentist office had a person who does the IT stuff but she was a little reckless
But she works as a dentist person for profession
She just happen to know IT too
i know a company who i wont name who does very important building architecture work.... no dedicated IT team, 200 people, offices in US and overseas
They make it work somehow
barely.
i know someone who works there as a friend.... and my company also hires their company
he asked if i want to go to the CEO and try to be the IT person
i was like.... uhhhhh
Yeah I would say the same
Uhhhhhhhhh well about that...
nothing centralized
i'd maybe do it if an MSP.. and i mean a legit MSP.. came in and overhauled before i take over
not small biz MSP.... big biz MSP
Yeah one that doesn't depend on like a few customers to run their entire operation
Because once they are gone, msp going downhill
Is it profitable to run a fiber isp?
If you don't count the harassment from competition like Comcast, Frontier and others
i wanted to start a fiber isp TBH
but my business model would PISS OFF comcast and ATT
i might get sued into nothing
isp is the wrong word for it too... more like NSP
@little schooner imagine FTTH where you arent locked into one provider
you ever use a travel site?
thats how mine would work