[f-nsp] Router Becomes Unresponsive

[Chris O'Brien]

'no ip icmp redirects' corrected this issue. The new router was in a stick
configuration.

On Tue, Mar 10, 2015 at 10:30 AM, Chris O'Brien <chris.obrien.1021 at gmail.com
> wrote:

> Hi,
>
> I was looking for some feedback on a strange issue. We are performing a
> router upgrade. On the new gear, when certain BGP peers are established,
> the router becomes unresponsive via telnet and the network encounters heavy
> packet loss/latency. CPU shows idle and the log just shows interfaces
> flapping. Serial access is OK. When you turn these BGP peers down, the
> issue goes away. When you turn them back up, the issue returns. It is very
> reproducible.
>
> Configs are the same.
>
> Here is our current setup--
>
> SL M1: NI-MLX-32_MR Management Module Active (Serial #:, Part #:
>  35639-300C):
> Boot     : Version 5.3.0T165 Copyright (c) 1996-2009 Brocade
> Communications Systems, Inc.
> Compiled on Nov 16 2011 at 10:05:30 labeled as xmprm05300
>  (517880 bytes) from boot flash
> Monitor  : Version 5.3.0T165 Copyright (c) 1996-2009 Brocade
> Communications Systems, Inc.
> Compiled on Nov 16 2011 at 10:04:52 labeled as xmb05300
>  (524496 bytes) from code flash
> IronWare : Version 5.3.0aT163 Copyright (c) 1996-2009 Brocade
> Communications Systems, Inc.
> Compiled on Apr  6 2012 at 10:27:24 labeled as xmr05300a
>  (8063716 bytes) from Primary
> Board ID : 00 MBRIDGE32 Revision : 35
> 916 MHz Power PC processor 7447A (version 8003/0101) 166 MHz bus
> 512 KB Boot Flash (AM29LV040B), 32 MB Code Flash (MT28F128J3)
> 2048 MB DRAM INSTALLED
> 2048 MB DRAM ADDRESSABLE
>
> And, we are migrating to--
>
> SL M1: BR-MLX-MR2-X Management Module Active (Serial #: , Part #:
> 60-1002375-06):
> Boot     : Version 5.6.0T165 Copyright (c) 1996-2013 Brocade
> Communications Systems, Inc.
> Compiled on Sep 20 2013 at 16:42:38 labeled as xmprm05600
>  (516258 bytes) from boot flash
> Monitor  : Version 5.6.0T165 Copyright (c) 1996-2013 Brocade
> Communications Systems, Inc.
> Compiled on Sep 20 2013 at 16:41:56 labeled as xmb05600
>  (534157 bytes) from code flash
> IronWare : Version 5.6.0dT163 Copyright (c) 1996-2013 Brocade
> Communications Systems, Inc.
> Compiled on Jul 24 2014 at 22:51:20 labeled as xmr05600d
>  (9442445 bytes) from Primary
> Board ID : 00 MBRIDGE Revision : 37
> 1666 MHz Power PC processor 7448 (version 8004/0202) 166 MHz bus
> 512 KB Boot Flash (MX29LV040C), 128 MB Code Flash (MT28F256J3)
> 4096 MB DRAM INSTALLED
> 4096 MB DRAM ADDRESSABLE
>
>
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