From: McCallum, Robert (Robert.McCallum@let-it-be-thus.com)
Date: Thu Jun 12 2003 - 04:30:52 GMT-3
quite simply you have configured the same NET 47.0010.blah blah blah....then the system id such as 0000.0000.0001.01 on two routers. Missing out the last 2 digits the next 8 are the system ID within the NET command under ISIS. This is where you have configured a duplicate id.
> -----Original Message-----
> From: Jonathan V Hays [mailto:jhays@jtan.com]
> Sent: 12 June 2003 03:17
> To: 'Jason Cash'; 'McCallum, Robert'; ccielab@groupstudy.com
> Subject: RE: ISIS error - need some help
>
>
> If you are serious about wanting help, please post your configs.
>
>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> > Behalf Of Jason Cash
> > Sent: Wednesday, June 11, 2003 4:21 PM
> > To: 'McCallum, Robert'; ccielab@groupstudy.com
> > Subject: RE: ISIS error - need some help
> >
> >
> > 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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