RE: What is the function of "passive-interface" command in

From: Niksa Tomulic (ccie@otokrab.net)
Date: Thu Apr 17 2003 - 05:41:14 GMT-3

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I would say it's not the problem - it's the advantage to have more ways
to the solution.

Right way is depending at the requirements. Principle is the same -
you'll get both networks propagated. Running protocol at the interface
is needed to establish adjencency, but since there is nothing behind
loopback, I would always use passive-interface for advertising it.

Notice that if you want to do that you'll first to have to have ISIS
running at least at one of the interfaces, and then you can advertise
loopback with passive-interface.

niksa

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
%B3U$/
Sent: Thursday, April 17, 2003 7:52 AM
To: Brian Dennis; Fan Shan; Ccielab@Groupstudy.Com
Subject: RE: What is the function of "passive-interface" command in
ISIS?

Thanks for the info.

I have a another problem, if I want to include interface loopback0 in
ISIS, should I use passive-interface loopback0 or router isis under
interface loopback 0 ?
Which solution is the proper one ?

--
Gigamedia Inc.
Johnson Liu
CCNP/CCDP/CCIE#11440
-----Original Message-----
From: Brian Dennis [mailto:brian@labforge.com] 
Sent: Thursday, April 17, 2003 10:16 AM
To: 'Fan Shan'; 'Ccielab@Groupstudy.Com'
Subject: RE: What is the function of "passive-interface" command in
ISIS?
From the Doc CD:
For Intermediate System-to-Intermediate System (IS-IS), this command
instructs IS-IS to advertise the IP addresses for the specified
interface without actually running IS-IS on that interface. The no form
of this command for IS-IS disables advertising IP addresses for the
specified address.
Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
Director of CCIE Training and Development - IPexpert, Inc.
Mailto: brian@ipexpert.net
Toll Free: 866.225.8064
Outside U.S. & Canada: 312.321.6924
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Fan Shan
Sent: Wednesday, April 16, 2003 6:19 PM
To: Ccielab@Groupstudy.Com
Subject: What is the function of "passive-interface" command in ISIS?
What is the function of "passive-interface" command in ISIS?

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