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| Who | What | When |
|---|---|---|
| acf_ | perhaps an attempt to use it in an amplification attack
without realizing it won't participate I can send 4GB of packets to any host and there isn't much it can do about it :P | [03:41] |
| ........ (idle for 39mn) | ||
| mercutio | 4gb isn't really that much these days
there are so many gigabit connected hackable hosts i suppose | [04:20] |
| mhoran | I was amazed to discover 100 GbE interconnects when I was looking at Google's peering page. That definitely wasn't a thing when I worked at Cisco. I think 10GbE had just come out. | [04:29] |
| mercutio | the 40 to 100 gbe shift was pretty quick
it's "reasonably affordable" to get 40 to 100 gigabit interconnects now it's base 10 gigabit stuff that's struggling to come down | [04:29] |
| mhoran | Yeah. | [04:30] |
| mercutio | like if you want a 16 port 10 gigabit switch for a small company you can't really get anything cheap | [04:30] |
| mhoran | Run fiber to every desk. 😂 | [04:30] |
| mercutio | even 100 gigabit ethernet cards for pc are "reasonably affordable"
like $400 USD or something | [04:30] |
| mhoran | Huh. | [04:31] |
| mercutio | they're pci-e x16
mellanox make one with pcie 4 but hardly anything supports pcie 4 yet apparently some amd boards may https://www.ebay.com/itm/Arista-DCS-7280SE-72-F-48-Port-10GbE-100GbE-7280E-Switch-1-Year-Warranty/273398255690?hash=item3fa7ce504a:g:ltQAAOSw1dJbbIPL | [04:31] |
| mhoran | Dang. | [04:33] |
| mercutio | https://www.ebay.com/itm/Mellanox-MCX456A-ECAT-CX456A-ConnectX-4-VPI-EDR-IB-100GbE-Dual-Port-QSFP28-PCIe/323751423135?hash=item4b6116ac9f:m:mimSiA5cDCfvjWmI5dPNSeQ | [04:33] |
| mhoran | I was mislead by the model number, totally thought that was a Cisco. | [04:34] |
| mercutio | heh
arista are gaining market share rapidly | [04:34] |
| mhoran | Yeah it's a name I never heard of and now keeps coming up. | [04:34] |
| mercutio | so are huawei though
oh wow https://www.ebay.com/itm/Arista-DCS-7280CR-48-F-7280R2-48x-100GbE-QSFP-8x-40GbE-QSFP-Switch-Router/401736132191?hash=item5d8956e65f:g:5woAAOSwYqVcb43U surely it means 48 10gbe | [04:34] |
| mhoran | Wow. | [04:35] |
| mercutio | nope the data sheet says the same
i think google are actually using 100gbe to their servers? but they're running their own switches i think well someone probably makes them for them but they spec what they want i kind of wish infiniband was more popular hmm this web site says 25gigabit is going to take off | [04:35] |
| mhoran | Yeah I was pumped about that.
HUh. | [04:38] |
| mercutio | i haven't seen anything that does 25 gigabit yet
there's also rdma over converged ethernet but i don't think that's really taking off either hmm this site says 400gbe should become big this y ear oh no hangon it says shipments will start in december this year damn this arista switch has 16gb of ram and 24gb of packet buffer memory si i suppose the packet buffer memory isn't included in the 16gb oh it is 60x100gbe i wonder when people will habitually have more than gigabit internet to the desktop | [04:38] |
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| acf_ | I have a friend who's going to work at arista in a couple months
apparently they're really pushing the cutting edge right now | [12:53] |
| mercutio | nice | [12:57] |
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| mnathani | @seen nathani | [19:06] |
| BryceBot | mnathani, I last saw nathani 30 min 13 sec ago quitting: Quit: WeeChat 1.4. | [19:06] |
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| brycec | Huh... zeit tripped the "'eth0' total download 4.8 GB matches limit [download rate > 3 GB in last 1 hour]" alert at about the same time as yesterday...
No discernible spike in traffic traffic, not that it alerted anyways. But enough to trip the alert. (Normal hourly rx traffic is 150MB, so 3GB is quite the anomaly.) Not seeing anything out of the ordinary right now though. Drat. | [21:43] |
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| mercutio: Are y'all moving ARP Metal right now? I thought I had until next week (and I was mid-OpenBSD-upgrade!)
...or apparently less time? Re-read the email, it says it was supposed to have been done last weekend. | [23:04] | |
| uptime 5 minutes, yep... Seems like it.
Not cools, knocking me offline outside your prescribed maintenance window, guys! | [23:13] | |
| mercutio | what mtl host?
there's no reason that i know of that your server should have gone down | [23:19] |
| acf_ | seeing connectivity problems here
on arp metal | [23:19] |
| mercutio | ipv6? ipv4?
packet loss or unable to reach? | [23:20] |
| brycec | s/minutes/hours | [23:20] |
| BryceBot | <brycec> uptime 5 hours, yep... Seems like it. | [23:20] |
| acf_ | http://paste.debian.net/1079242/ | [23:20] |
| brycec | mercutio: stl21 | [23:20] |
| acf_ | trace to 8.8.8.8
lots of problems the past few weeks I might need to move stuff to ec2 temporarily or something | [23:20] |
| mercutio | hmm i can trace 8.8.8.8 fine | [23:21] |
| acf_ | I cannot, from 174.136.111.132 | [23:22] |
| mercutio | hmm i'm in taht same /24 where i'm testing from | [23:22] |
| acf_ | I'm 95% sure this isn't a problem with my system | [23:23] |
| mercutio | ho hmm
yeh i can trace from arp to there but not from home checking | [23:23] |
| brycec | My stl21 machine is very unhappy about life - at a mininum its networking is funar. Not sure what yet, still working through logs to see what happened 5 hours ago, why it mysteriously shutdown | [23:23] |
| acf_ | note that I *can* reach some internet destinations | [23:24] |
| brycec | (systemd didn't even start!) | [23:24] |
| acf_ | hence how I can ssh into this in the first place | [23:24] |
| mercutio | there was a second round of migrations earlier today but there were hardly any machines in that | [23:24] |
| acf_ | but it's broken cloudfront and something else v important | [23:24] |
| mercutio | it was around 8 hours ago though
and customers involved were emailed i don't think your one was ni that list | [23:24] |
| acf_ | afaict this seems to have started roughly 2 hours ago | [23:25] |
| mercutio | yeah taht's odd | [23:25] |
| brycec | mercutio: turns out it was, but Garry's emails went to my wrong folder | [23:25] |
| mercutio | oh | [23:25] |
| acf_ | gotta run for a couple minutes but I'll be back
(still broken of course) | [23:26] |
| brycec | fuck fuck fuck | [23:26] |
| mercutio | did monitoring not alert you? | [23:26] |
| brycec | mercutio: I'm not sure what's up with that monitoring | [23:26] |
| mercutio | this is odd
i'm only seeing your other subnet with arp entries acf is your other subnet working fine? | [23:29] |
| up_the_irons | acf_: let me know if you see any difference now | [23:31] |
| acf_ | mercutio: yeah, my 174.136.x.x subnet is routed via the other one
so it would make sense for there to be no arp entries for that | [23:35] |
| mercutio | yeah i clicked after taht | [23:35] |
| acf_ | oh ok looks like it might be back? | [23:35] |
| mercutio | sweet | [23:35] |
| acf_ | yeah afaict it's good now | [23:36] |
| mercutio | it would have been affecting traffic from one router in but not the other
that's why some stuff worked and some didn't and only that /27 | [23:36] |
| acf_ | ahhh interesting | [23:36] |
| up_the_irons | We don't have OSPF redistributing static routes
and we have very, very few customers with static routes So we didn't see this at first once we have all customers moved to the new switch, this issue will not appear again we're almost done This happened a couple hours ago because I started announcing our IP blocks out a 2nd BGP session, for redundancy, and traffic going into that router then didn't know how to get to your /27 So I've just removed those announcements for now | [23:36] |
| acf_ | ahh I see
yeah as soon as mercutio mentioned it only affected my /27 I thought it had something to do with the static route haha | [23:40] |
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