From: navaid@rogers.com
Date: Mon Sep 08 2003 - 11:18:29 GMT-3
Try following on serial1 of R3 and same on other router with appropriate dlci.
frame-relay map clns 304 broadcast
Navaid
>
> From: ? ?? <youshungang@hotmail.com>
> Date: 2003/09/07 Sun AM 02:27:44 EDT
> To: ccielab@groupstudy.com
> Subject: isis neighbor adj problem
>
> Hi group#,when I worked on a lab recently,I encountered a problem about
> isis neighbor adj.
> Here is my topology:
> r3-s1--(frame-relay)--s0-r4-| e0
> |
> s0
>
> below is the detailed config:
>
> r3:
> interface Serial0
> no ip address
> encapsulation frame-relay
> frame-relay lmi-type ansi
> !
> interface Serial0.1 point-to-point
> ip address 10.13.1.2 255.255.0.0
> ip router isis
> frame-relay interface-dlci 301
> !
> interface Serial1
> ip address 10.34.1.1 255.255.0.0
> ip router isis
> encapsulation frame-relay
> frame-relay interface-dlci 304
> frame-relay lmi-type ansi
> !
> router isis
> net 01.3333.3333.3333.00
>
> r4:
> interface Ethernet0
> ip address 10.4.1.1 255.255.0.0
> ip router isis
> !
> interface Serial0
> ip address 10.34.1.2 255.255.0.0
> ip router isis
> encapsulation frame-relay
> frame-relay interface-dlci 403
> frame-relay lmi-type ansi
> !
> router isis
> net 01.4444.4444.4444.00
>
> I found that r3 and r4 cannot form isis neighbors.
> When i debug the isis neighbor adj,here is the output:
> r3#debug isis adj
> IS-IS Adjacency related packets debugging is on
> r3#
> 00:03:14: ISIS-Adj: Encapsulation failed for L1 LAN IIH on Serial1
> 00:03:15: ISIS-Adj: Encapsulation failed for L2 LAN IIH on Serial1
> on r4,there is the same problem.
>
> That confused me.The s0 should send serial IIH instead of LAN IIH since it
> is not a lan interface.Why the interface s0 does not behave normally? What
> cause this situation?
> Who can help out the problem? I wasted too much time on it.
> Please clarify it. Thanks a lot for any help!
>
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