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Re: BellNexxia to C&W problems in NY ? (AS577 - AS3561)

  • From: Mark Kasten
  • Date: Tue Mar 09 18:41:27 2004


Mike,
It does appear that this interconnect is running a bit hot. If there is anyone from Bell Nexxia/AS577 listening, feel free to ping me offline and I'll see what I can do to help out. But, to be honest, this is an issue that could/should be handled your upstream and noc@cw.net. I don't see any emails from you sent to noc@cw.net.

Regards,
Mark Kasten



Mike Tancsa wrote:



I have a few users exchanging data with sites inside Bell Canada call in to complain today with various symptoms (eg. VPNs timing out, transfers taking a long time). After a bit of narrowing down, it would seem that when the traffic comes at me via C&W from Bell (2 of my 3 transit providers 852 and 6539 talk to parts of Bell this way) the problems are acute.

Looking at traceroutes between C&W and Bell IP space, there does indeed seem to be some issue between their exchange point in NY

The 2 snippets being
From bell to cw
6 bx2-newyork83-pos3-0.in.bellnexxia.net (206.108.103.194) 20 msec 20 msec 16 msec
7 iar4-so-2-3-0.NewYork.cw.net (208.173.135.185) [AS 3561] 172 msec 176 msec 176 msec
From cw to bell
6 iar4-loopback.NewYork.cw.net (206.24.194.39) 68 msec 68 msec 72 msec
7 teleglobe.NewYork.cw.net (208.173.135.186) 208 msec 208 msec 208 msec

At one point in the day, it was adding about 400 to 500ms of latency

Type escape sequence to abort.
Tracing the route to route-server.cw.net (209.1.220.234)

1 dis40-toronto63-fe5-0-0.in.bellnexxia.net (205.207.238.210) 32 msec 0 msec 232 msec
2 core2-toronto63-pos11-5.in.bellnexxia.net (206.108.98.141) 0 msec 0 msec 0 msec
3 core3-toronto63-pos6-0.in.bellnexxia.net (64.230.242.101) 0 msec 0 msec 0 msec
4 core4-montreal02-pos13-1.in.bellnexxia.net (64.230.243.237) 28 msec 204 msec 208 msec
5 core1-newyork83-pos0-0.in.bellnexxia.net (206.108.99.190) 20 msec 20 msec 16 msec
6 bx2-newyork83-pos3-0.in.bellnexxia.net (206.108.103.194) 20 msec 20 msec 16 msec
7 iar4-so-2-3-0.NewYork.cw.net (208.173.135.185) [AS 3561] 172 msec 176 msec 176 msec
8 agr2-loopback.NewYork.cw.net (206.24.194.102) [AS 3561] 184 msec 176 msec 180 msec
9 dcr1-so-6-1-0.NewYork.cw.net (206.24.207.53) [AS 3561] 184 msec 180 msec 184 msec
10 dcr2-loopback.SantaClara.cw.net (208.172.146.100) [AS 3561] 248 msec 248 msec 248 msec
11 bhr1-pos-0-0.SantaClarasc8.cw.net (208.172.156.198) [AS 3561] 256 msec 244 msec 244 msec
12 bhr2-ge-2-0.SantaClarasc8.cw.net (208.172.147.54) [AS 3561] 252 msec 248 msec 248 msec
13 209.1.169.177 [AS 3561] 172 msec 184 msec *



route-server.cw.net>traceroute looking-glass.in.bellnexxia.net
Translating "looking-glass.in.bellnexxia.net"...domain server (64.41.189.214) [OK]

Type escape sequence to abort.
Tracing the route to looking-glass.in.bellnexxia.net (205.207.237.50)

1 209.1.169.178 0 msec 0 msec 0 msec
2 bhr1-ge-2-0.SantaClarasc8.cw.net (208.172.147.53) 0 msec 0 msec 0 msec
3 dcr2-so-3-0-0.SantaClara.cw.net (208.172.156.197) 0 msec 4 msec 0 msec
4 dcr1-loopback.NewYork.cw.net (206.24.194.99) 76 msec
dcr2-loopback.NewYork.cw.net (206.24.194.100) 72 msec
dcr1-loopback.NewYork.cw.net (206.24.194.99) 68 msec
5 agr1-so-0-0-0.NewYork.cw.net (206.24.207.50) 68 msec 72 msec 68 msec
6 iar4-loopback.NewYork.cw.net (206.24.194.39) 68 msec 68 msec 72 msec
7 teleglobe.NewYork.cw.net (208.173.135.186) 208 msec 208 msec 208 msec
8 core1-newyork83-pos1-1.in.bellnexxia.net (206.108.103.193) 260 msec 332 msec 216 msec
9 core4-montreal02-pos6-3.in.bellnexxia.net (206.108.99.189) 196 msec 204 msec 200 msec
10 64.230.243.238 208 msec 296 msec 460 msec
11 core2-torontodc-pos3-1.in.bellnexxia.net (206.108.104.2) [AS 577] 432 msec 404 msec 404 msec
12 dis4-torontodc-Vlan82.in.bellnexxia.net (206.108.104.30) [AS 577] 400 msec 240 msec 440 msec
13 looking-glass.in.bellnexxia.net (205.207.237.50) [AS 577] 452 msec 236 msec 244 msec
route-server.cw.net>

Anyone know whats up ?

---Mike
--------------------------------------------------------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet since 1994 www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike





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