IS-IS Question !!

From: wwwjjang@chol.com
Date: Thu Feb 12 2004 - 12:12:40 GMT-3


Hi Everyone..

I'm studying a IS-IS now..

I want to know the differences between the commands
 "isis circuit-type level-2" & "is-type level-2-only" ??

Who knows the right answer ??

----------
Diagram
----------

 R1-(s0 1.1.1.1)------(s0 1.1.1.2)-R2

-----------
Question
-----------
-I want to configure IS-IS Level-2 Neighboring
 between R1's0 & R2's S0..

----------
Config 1>
----------
R1>

----
router isis 
 net 50.0001.1111.1111.1111.00
 log-adjacency-changes
!
interface Serial0
 ip address 1.1.1.1 255.255.255.0
 ip router isis**
 isis circuit-type level-2 **
---
R2>
----
router isis 
 net 50.0001.2222.2222.2222.00
 log-adjacency-changes
!
interface Serial0
 ip address 1.1.1.2 255.255.255.0
 ip router isis**
 isis circuit-type level-2 **

---------- Config 2> ---------- R1> ---- router isis net 50.0001.1111.1111.1111.00 log-adjacency-changes is-type level-2-only ** ! interface Serial0 ip address 1.1.1.1 255.255.255.0 ip router isis** --- R2> ---- router isis net 50.0001.2222.2222.2222.00 log-adjacency-changes is-type level-2-only ** ! interface Serial0 ip address 1.1.1.2 255.255.255.0 ip router isis**

=> What's the Correct answer between "Config 1" & "Config2" ???



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