RE: IS-IS issue over ethernet subinterface

From: Reza Toghraee <reza_at_toghraee.com>
Date: Wed, 8 Apr 2009 16:46:35 +0400

Hi Dheven,

Do you have any filters such as VLAN-ACL on your switch which may filter the
clns packets?
Since you can ping the other router, it means that ICMP works but CLNS not.

Regards
Reza

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
Dheven
Sent: Wednesday, April 08, 2009 4:34 PM
To: Ernest Wambari
Cc: ccielab_at_groupstudy.com
Subject: Re: IS-IS issue over ethernet subinterface

R1#sh clns nei
R1#sh clns neighbors

R1#

NO adj forming...

R1#debug isis adj-packets
IS-IS Adjacency related packets debugging is on
R1#
*Mar 1 00:01:42.759: ISIS-Adj: Sending L2 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:01:44.327: ISIS-Adj: Sending L1 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:01:52.523: ISIS-Adj: Sending L2 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:01:53.583: ISIS-Adj: Sending L1 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:02:01.659: ISIS-Adj: Sending L2 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:02:02.763: ISIS-Adj: Sending L1 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:02:10.755: ISIS-Adj: Sending L1 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:02:10.971: ISIS-Adj: Sending L2 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:02:18.507: ISIS-Adj: Sending L2 LAN IIH on FastEthernet0/0.12,
length 1497

R2#sh clns neighbors

R2#

IS-IS Adjacency related packets debugging is on
R2#
R2#
R2#
R2#
*Mar 1 00:02:52.695: ISIS-Adj: Sending L2 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:02:57.343: ISIS-Adj: Sending L1 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:03:01.859: ISIS-Adj: Sending L2 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:03:06.347: ISIS-Adj: Sending L1 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:03:11.519: ISIS-Adj: Sending L2 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:03:13.947: ISIS-Adj: Sending L1 LAN IIH on FastEthernet0/0.12,
length 1497
*Mar 1 00:03:19.803: ISIS-Adj: Sending L2 LAN IIH on FastEthernet0/0.12,
length 1497

On Wed, Apr 8, 2009 at 2:29 PM, Ernest Wambari <ewambari_at_gmail.com> wrote:

> Hello Dheven,
>
> Please provide the following:
>
> 1.sh clns nei
> 2.debug isis adj-packet
>
> Regards,
>
> W.
>
> On Wed, Apr 8, 2009 at 2:57 PM, Dheven <dheven_at_gmail.com> wrote:
>
>> Hi GS,
>> I am having a issue setting up IS-IS over ethernet subinterfaces.
>>
>> here is my setup:
>>
>> R1 (trunk) ---(trunk) SW1 (trunk) ----(trunk) SW2 (trunk) ----- (trunk)
R2
>>
>>
>> R1 Configs:
>>
>> int fa0/0.12
>> encapsulation dot1q 12
>> ip address 10.10.10.1 255.255.255.0
>> ip router isis
>>
>> router isis
>> net 47.0001.0000.0000.0001.00
>>
>>
>> SW1 configs:
>>
>> fa0/1
>> switchport trunk encap dot1q
>> switch port trunk allowed vlan 12
>> switch mode trunk
>>
>> vlan 12 is carried across the trunk link between SW1 and SW2
>>
>> R2 configs:
>>
>> Int fa0/0.12
>> encapsulation dot1q 12
>> ip address 10.10.10.2 255.255.255.0
>> ip router isis
>>
>> router isis
>> net 49.0001.0000.0000.0002.00
>>
>> SW2 configs:
>> int fa0/2
>> switchport trunk encap dot1q
>> switch port trunk allowed vlan 12
>> switch mode trunk
>>
>>
>> Please help.
>>
>> Regards
>>
>> Dheven
>>
>>
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>

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Received on Wed Apr 08 2009 - 16:46:35 ART

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