Re: RIP MD5 Authentication

From: CCIE (ccie@nc.rr.com)
Date: Wed Jun 04 2003 - 23:12:23 GMT-3


Try adding send lifetime and accept lifetime to the key. Make sure date &
time is lower value than your router clock

key chain ccie
 key 1
  key-string test
  accept-lifetime 00:00:00 Jan 1 1993 infinite
  send-lifetime 00:00:00 Jan 1 1993 infinite

----- Original Message -----
From: <Danny.Andaluz@triaton-na.com>
To: <ccielab@groupstudy.com>
Sent: Wednesday, June 04, 2003 8:22 PM
Subject: RIP MD5 Authentication

> Hello, Group. I thought I learned something from my last post on EIGRP
authentication, but apparently not. I checked for spaces and there are
none. The key chain names on each router are the same as well as the string
between the two. I still get the routes from R2 but R1 keeps telling me
invalid authentication from 2. How can I get routes from 2 if the
authentication is failing???? See the output of the debug.
>
> R2#debug ip rip event
> RIP event debugging is on
> R2#
> 02:09:47: RIP: received v2 update from 1.1.1.2 on Tunnel1
> 02:09:47: RIP: Update contains 8 routes
> 02:09:47: RIP: ignored v2 packet from 1.1.1.2 (invalid authentication)
> R2#
>
> R1
>
> key chain cisco
> key 1
> key-string cisco
>
> interface Tunnel1
> ip unnumbered Serial0.1
> ip rip authentication mode md5
> ip rip authentication key-chain cisco
> tunnel source Serial0.1
> tunnel destination 1.1.1.2
>
> R2
>
> key chain cisco
> key 1
> key-string cisco
> !
> interface Tunnel0
> ip unnumbered Serial0
> ip rip authentication mode md5
> ip rip authentication key-chain cisco
> tunnel source Serial0
> tunnel destination 1.1.1.1
>
>
>
>
>
>
> Danny Andaluz, CCNP
> Network Engineer
> Triaton, North America
> 908-541-6522



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