RE: ISIS error - need some help

From: Jason Cash (cash2001@swbell.net)
Date: Wed Jun 11 2003 - 17:20:39 GMT-3


Well, rebooted and still get the same msg! How can I see what sysID is the
duplicate?

r5#sh int e0
Ethernet0 is up, line protocol is up
  Hardware is Lance, address is 0030.94e5.c137 (bia 0030.94e5.c137)
  Internet address is 172.168.136.5/26
R5#
00:21:29: %CLNS-3-BADPACKET: ISIS: LAN L1 hello, Duplicate system ID
detected from 0030.94e5.c137 (Ethernet0)
00:22:33: %CLNS-3-BADPACKET: ISIS: LAN L1 hello, Duplicate system ID
detected from 0030.94e5.c137 (Ethernet0)
00:23:33: %CLNS-3-BADPACKET: ISIS: LAN L1 hello, Duplicate system ID
detected from 0030.94e5.c137 (Ethernet0)
00:24:37: %CLNS-3-BADPACKET: ISIS: LAN L2 hello, Duplicate system ID
detected from 0030.94e5.c137 (Ethernet0)

System Id Interface SNPA State Holdtime Type
Protocol
r6 Et0 0060.3ee5.6e08 Up 9 L1L2 IS-IS
r7 Et0 0009.b769.5f00 Up 22 L2 IS-IS
r2 Se0 DLCI 501 Up 9 L1L2 IS-IS

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
McCallum, Robert
Sent: Wednesday, June 11, 2003 2:52 AM
To: 'Jason Cash'; ccielab@groupstudy.com

you must have specified two same id's. if you definetly havent then reboot
your routers that are connected at L1 between each other and see what
happens.

> -----Original Message-----
> From: Jason Cash [mailto:cash2001@swbell.net]
> Sent: 11 June 2003 04:05
> To: ccielab@groupstudy.com
> Subject: ISIS error - need some help
>
>
> I keep getting the following error on R5 in IP, Section 26
>
>
>
> 1d06h: %CLNS-3-BADPACKET: ISIS: LAN L1 hello, Duplicate
> system ID detected
> from 0030.94e5.c137 (Ethernet0)
>
>
>
> I can't determine where there is a duplicate sys ID as I
> uniquely identified
> them all with the 'NET XXXX' command under router isis



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