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Re: [JOD7949] TEN-155 RedIRIS link


Chronological Thread 
  • From: Miguel Angel Sotos - NOC <>
  • To: Rob Evans <>
  • Cc: , , ,
  • Subject: Re: [JOD7949] TEN-155 RedIRIS link
  • Date: Thu, 01 Feb 2001 20:08:11 +0100
Rob Evans wrote:
>
> Miguel,
>
> > Hi NOC, there are problems with our BGP session with our TEN-155
> > link (PVC 449). It's restarting every minute
>
> This does not appear to be the case on this side, the BGP session
> has been up for over a day:
>
> Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down
> State/PfxRcd
> 212.1.196.150 4 766 87462 2375971 10501988 0 0 1d11h 36
>
> However, we are getting a number of MSDP flaps from you. Are there
> any log messages in your router regarding this? The other peers
> do not appear to be flapping.
>
> Rob

Sorry, it was not the BGP session, it was the MSDP peering.
We have limited the SA announcements to 24 Kbps (due to RAMEN) and
now we are receiving a burst of announcements.
It seems we are victims of a RAMEN attack.
Here is some example:

EB-Madrid00#sh ip msdp sa-cache | incl 63.250.209.99
(63.250.209.99, 233.22.147.80), RP 206.190.40.61, MBGP/AS 5779,
00:10:30/00:05:40
(63.250.209.99, 233.22.147.81), RP 206.190.40.61, MBGP/AS 5779,
00:10:30/00:05:40
(63.250.209.99, 233.22.147.121), RP 206.190.40.61, MBGP/AS 5779,
00:10:30/00:05:39
(63.250.209.99, 233.22.147.122), RP 206.190.40.61, MBGP/AS 5779,
00:10:30/00:05:39
(63.250.209.99, 233.22.147.124), RP 206.190.40.61, MBGP/AS 5779,
00:10:30/00:05:39
(63.250.209.99, 233.22.147.127), RP 206.190.40.61, MBGP/AS 5779,
00:10:30/00:05:39
(63.250.209.99, 233.22.147.131), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:42
(63.250.209.99, 233.22.147.133), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:42
(63.250.209.99, 233.22.147.135), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:42
(63.250.209.99, 233.22.147.137), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.139), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.141), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.143), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.145), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:42
(63.250.209.99, 233.22.147.147), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:42
(63.250.209.99, 233.22.147.149), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:42
(63.250.209.99, 233.22.147.151), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:42
(63.250.209.99, 233.22.147.153), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:42
(63.250.209.99, 233.22.147.156), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:42
(63.250.209.99, 233.22.147.158), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:42
(63.250.209.99, 233.22.147.160), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.163), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.165), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.167), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.170), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.172), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:41
(63.250.209.99, 233.22.147.174), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:41
(63.250.209.99, 233.22.147.177), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.179), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.181), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.184), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.186), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.188), RP 206.190.40.61, MBGP/AS 5779,
00:48:46/00:05:41
(63.250.209.99, 233.22.147.193), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:41
(63.250.209.99, 233.22.147.195), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:41
(63.250.209.99, 233.22.147.211), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:41
(63.250.209.99, 233.22.147.212), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:41
(63.250.209.99, 233.22.147.215), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:41
(63.250.209.99, 233.22.147.217), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:41
(63.250.209.99, 233.22.147.220), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:41
(63.250.209.99, 233.22.147.222), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:41
(63.250.209.99, 233.22.147.224), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.225), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.227), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.230), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.231), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.233), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.235), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.238), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.239), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.241), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.244), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.246), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.247), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.249), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40
(63.250.209.99, 233.22.147.252), RP 206.190.40.61, MBGP/AS 5779,
00:28:36/00:05:40





EB-Madrid00#sh ip msdp sa-cache | incl 63.250.209.148
(63.250.209.148, 233.22.147.82), RP 206.190.40.61, MBGP/AS 5779,
00:10:58/00:05:12
(63.250.209.148, 233.22.147.83), RP 206.190.40.61, MBGP/AS 5779,
00:10:58/00:05:12
(63.250.209.148, 233.22.147.125), RP 206.190.40.61, MBGP/AS 5779,
00:10:58/00:05:11
(63.250.209.148, 233.22.147.126), RP 206.190.40.61, MBGP/AS 5779,
00:10:58/00:05:11
(63.250.209.148, 233.22.147.128), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.130), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.132), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.134), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.136), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.138), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.140), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.142), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.144), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.146), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.148), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.150), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.152), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.154), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.155), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.157), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.159), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.161), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.162), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.164), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.166), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.168), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.169), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.171), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.173), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.175), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.176), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.178), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.180), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.182), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.183), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.185), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.187), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.189), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.190), RP 206.190.40.61, MBGP/AS 5779,
00:49:15/00:05:13
(63.250.209.148, 233.22.147.192), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.194), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.196), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.210), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.213), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.214), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.216), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.218), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.219), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.221), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.223), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:13
(63.250.209.148, 233.22.147.226), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:12
(63.250.209.148, 233.22.147.228), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:12
(63.250.209.148, 233.22.147.229), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:12
(63.250.209.148, 233.22.147.232), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:12
(63.250.209.148, 233.22.147.234), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:12
(63.250.209.148, 233.22.147.236), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:12
(63.250.209.148, 233.22.147.237), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:12
(63.250.209.148, 233.22.147.240), RP 206.190.40.61, MBGP/AS 5779,
00:29:05/00:05:12
(63.250.209.148, 233.22.147.242), RP 206.190.40.61, MBGP/AS 5779,
00:29:06/00:05:11
(63.250.209.148, 233.22.147.243), RP 206.190.40.61, MBGP/AS 5779,
00:29:06/00:05:11
(63.250.209.148, 233.22.147.248), RP 206.190.40.61, MBGP/AS 5779,
00:29:06/00:05:11
(63.250.209.148, 233.22.147.249), RP 206.190.40.61, MBGP/AS 5779,
00:29:06/00:05:11
(63.250.209.148, 233.22.147.250), RP 206.190.40.61, MBGP/AS 5779,
00:29:06/00:05:11
(63.250.209.148, 233.22.147.251), RP 206.190.40.61, MBGP/AS 5779,
00:29:06/00:05:11
(63.250.209.148, 233.22.147.253), RP 206.190.40.61, MBGP/AS 5779,
00:29:06/00:05:11


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