From: Colin Barber (Colin.Barber@telewest.co.uk)
Date: Mon Sep 09 2002 - 05:16:57 GMT-3
Yes, the default password is cisco.
http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/1216ea1/3550scg/sw
hsrp.htm#xtocid203077
from the link:
(Optional) authentication string-Enter a string to be carried in all HSRP
messages. The authentication string can be up to eight characters in length;
the default string is cisco.
Colin
-----Original Message-----
From: Volkov, Dmitry (Toronto - BCE) [mailto:dmitry_volkov@ca.ml.com]
Sent: 08 September 2002 22:54
To: 'ccielab@groupstudy.com'
Subject: HSRP authentication FUN
Hi,
Maybe many of you guys khow that, but it took me a while until I got it:
by default HSRP uses authentication word 'cisco'.
I put : standby 1 authentication 'cisco' on one router and no standby auth
on the other one:
HSRP was working ! I put another word : ccie instead of cisco and standby
group was broken:
06:53:21: %STANDBY-3-BADAUTH: Bad authentication from 170.240.8.1, group 1,
remote state Active
I put sniffer and found that both routers with hsrp auth enabled and without
one exchange hellos with word 'cisco' in auth field of hello packet. So they
are authenticated by default without "standby authentication" command :)
Dmitry
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