[nsp] HSRP protocol extensions?

[kyu at opnet.com]

http://www.cisco.com/en/US/products/sw/iosswrel/ps1834/products_feature_guide091
86a00800e9763.html

HTHs
--kent
----- Original Message ----- 
From: "Ed Ravin" <eravin at panix.com>
To: "PONDEMER Nicolas" <npondemer at retis.fr>
Cc: <cisco-nsp at puck.nether.net>
Sent: Tuesday, May 13, 2003 6:45 PM
Subject: Re: [nsp] HSRP protocol extensions?


> On Fri, May 09, 2003 at 05:47:40PM +0200, PONDEMER Nicolas wrote:
> > we saw with a sniffer the "3"  strange Cisco HSRP opcode (not in RFC 2281)
> > in a network.
> 
> If you ask your Cisco router - by doing "debug standby" - it seems to
> identify those packets as "Redirect advertisements".  I've asked about
> this previously, and never got any response.  It looks like Cisco has
> extended the protocol since RFC-2281.  I discovered this when I upgraded
> to 12.2 - my 12.0 routers began complaining about a "malformed packet"
> for all the opcode 3 packets.  I haven't found any documentation
> on it other than what "debug standby" told me.
> 
> If anyone knows more, or can point to any published specs on Cisco's
> site, I'm quite curious also.
> 
> -- Ed
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> http://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>