***: midhun_ has joined #arpnetworks midhun_: Can someone explain me how does TCP manages timed events effectively? ***: midhun_ has quit IRC (Quit: Leaving)
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tabthorpe has joined #arpnetworks mnathani: @smokeping BryceBot: https://smokeping.cobryce.com/ brycec: btw the Time Warner connection was out for an hour earlier
(hence the giant gap) mnathani: brycec: you dont measure latency to each kvr host do you? brycec: no
just from kvr07
I don't have IP's for each host
I guess I do come to think of it
but the value is questionable mnathani: kvr[02-30].arpnetworks.com
externally it would help
from your slave nodes brycec: How so? A connection to ARp is a connection to ARP mnathani: could pinpoint DDOS against specific hosts brycec: More like high load on a given host
a ddos would affect all of arp
at least all of a given transit mercutio: it's better to test locally. davantalus: up_the_irons: http://cdn.meme.am/instances/500x/55274185.jpg up_the_irons: davantalus: LOOOOOOOOL
mnathani: CaZe : there was a spike of traffic to kvr30 last night, yeah mercutio: up_the_irons: is level3 inbound planned for this week now?
i noticed that outbound seemed to be going via level3 rather than any2ix right now. up_the_irons: mercutio: there hasn't been a change to outgoing. i could possible plan level3 inbound this week... mercutio: up_the_irons: curious. it was taking that path when any2ix had issues before, but not for long. but smokeping suggests it's been happening a couple of days or such.
oh it's not all any2ix
has any2ix traffic dropped in the last couple of days?
facebook still seems to go over any2ix brycec: facebook goes over ntt for me (from kvr07) mercutio: curious brycec: Also, ipv6
:P mercutio: www.facebook.com is an alias for star.c10r.facebook.com.
star.c10r.facebook.com has address 69.171.230.5
oh i'm going over ipv4 up_the_irons: wut.. shouldn't be any difference between anyone's routing ;) brycec: up_the_irons: v4 vs v6 up_the_irons: kvrXX all go thru same path
ah
mercutio: i don't see a difference in any2 traffic the last couple days. but there does seem to have been a drop from like, a month ago mercutio: curious.
a looking glass would be nice :) up_the_irons: set one up for me brycec: Odd, v4 goes over coresite up_the_irons: ;) brycec: both v6 and v4 http://sprunge.us/OBbL mercutio: up_the_irons: sure. up_the_irons: i'll give you the session peer mercutio: with bgp multihop? up_the_irons: tell me if there is anything special i need to do on my end for the session (Cisco config) brycec: Yay ARP's own LG mercutio: can it mirror somehow
will look into mirroring up_the_irons: let me see... how did i do this for zeit and brycec ... i think i put a VM under my own account and handed it off.. mercutio: i dunno if there's some easy way to do that so can find out what the different providers thing for routes, rather than what you think for route.
but could get some idea just from having peers to all 3 of routers i suppose
apparently there's something called add-path
http://www.nanog.org/meetings/nanog48/presentations/Tuesday/Ward_AddPath_N48.pdf
no idea if your router would support it though
or what looking glass would do with it
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/xe-3s/irg-xe-3s-book/irg-additional-paths.html#GUID-4EB13F76-7C14-4B74-AFE0-66BF07976BD5
it's pretty cool anyway brycec: I looked into what it would take to setup an LG for ARP and this was the most solid http://www.ogris.de/howtos/openbsd-looking-glass.html
(in the past, I did this) mercutio: yeh that was my plan bryce. brycec: So that's my $.02 :D mercutio: but bird has bgp add-path support in beta
i wonder if something else supports it brycec: (I'm no expert on BGP so I wouldn't be a very good candidate at adminning it) mercutio: i suppose can look into that later anyway.
basically add-path means if there are routes from level3 and ntt on the same router, they can both be forwarded along, so the route server in theory can show both paths and the as lengths.
err the looking glass can show. brycec: ah mercutio: but a simple looking glass would still be way better than none
apparently bird has a beta looking glass and bgp add-path in beta.
not sure if the bird looking glass works with add-path though
it seems there aren't over 512k routes yet.
http://bgp.potaroo.net/as2.0/bgp-active.html
getting close though up_the_irons: we are getting very close to 512k routes mercutio: yeah, there was that incident a while back when it went over temporarily. up_the_irons: s7.lax>sh ip cef sum
IPv4 CEF is enabled for distributed and running
VRF Default
506853 prefixes (506853/0 fwd/non-fwd)
Table id 0x0
Database epoch: 3 (506853 entries at this epoch)
506K for me :)
yes, we all blame verizon mercutio: i was looking at how much ram openbgpd uses.
and atm looking glass is probably fine on 512mb of ram, but i dunno how long that'd last.
taht's with 1.25 million routes.
well two full tables plus one partial.
i imagine there's some separte ram usage for used routes vs known routes et.c ***: mike-bur1 has joined #arpnetworks
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reardencode has quit IRC (Ping timeout: 260 seconds) mnathani: +1 for the ARP Looking Glass. Look forward to it. mercutio & up_the_irons ***: reardencode has joined #arpnetworks
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BryceBot is now known as Guest1914 brycec: If the host were ram-starved, swapping wouldn't be the end of the world... An LG doesn't need stellar performance I imagine. ***: Guest1914 has quit IRC (Changing host)
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wilhelm.freenode.net sets mode: +o mhoran mercutio: hmm openbsd 5.6 is out in a couple of weeks