From: Brian Dennis (brian@labforge.com)
Date: Sun Mar 16 2003 - 18:19:49 GMT-3
Maybe this will help clarify why it's not needed. Look at the output of
the "show protocols" before and after ISIS is configured.
Rack4R2#sho protocols
Global values:
Internet Protocol routing is enabled
Ethernet0/0 is up, line protocol is up
<snip>
Rack4R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Rack4R2(config)#router isis
Rack4R2(config-router)#net 00.0000.1720.1600.0001.00
Rack4R2(config-router)#int e0/0
Rack4R2(config-if)#ip router isis
Rack4R2(config-if)#^Z
Rack4R2#sho protocols
Global values:
Internet Protocol routing is enabled
CLNS routing is enabled (address 00.0000.1720.1600.0001.00)
Ethernet0/0 is up, line protocol is up
<snip>
Brian Dennis, CCIE #2210 (R&S/ISP Dial/Security) CCSI# 98640
brian@labforge.com
-----Original Message-----
From: Voss, David [mailto:dvoss@heidrick.com]
Sent: Sunday, March 16, 2003 1:06 PM
To: 'Brian Dennis'; ccielab@groupstudy.com
Subject: RE: ISIS/CLNS Routing
Unfortunately not.
The discreptancy in my mind lies in the following:
global command: clns routing, not required
frame relay map: frame map clns 403 broadcast, required
dialer map: dialer map clns ..., required
dialer list: dialer-list 1 protocol clns_is permit, required
-----Original Message-----
From: Brian Dennis [mailto:brian@labforge.com]
Sent: Sunday, March 16, 2003 2:27 PM
To: Voss, David; ccielab@groupstudy.com
Subject: RE: ISIS/CLNS Routing
CLNS routing is not needed in the global configuration. Did they tell
you why it's not needed in the class?
Brian Dennis, CCIE #2210 (R&S/ISP Dial/Security) CCSI# 98640
brian@labforge.com
-----Original Message-----
From: Voss, David [mailto:dvoss@heidrick.com]
Sent: Sunday, March 16, 2003 11:37 AM
To: 'Brian Dennis'; ccielab@groupstudy.com
Subject: ISIS/CLNS Routing
I was told at a highly respected and well-known training class that
enabling
"clns routing" is not required, only "router isis" when working with
ISIS.
I was told this by 2 different instructors. I see that in my ISIS book
and
also on groupstudy that most use the clns routing command in conjunction
with router isis. Is this really needed?
Quick thoughts on this?
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