From: Mustafa Bayramov (ICT/IT) (mustafa@azercell.com)
Date: Thu Jul 31 2003 - 05:47:07 GMT-3
John
It should work
R1 L1 only
R2 L1/L2 only
R3 L2 only
Physical layout - All router in one VLAN.
R1 will have adj. with R2 L1
R2 will have adj. with R1 L1 and with R3 L2.
If you have HUB and SPOKE topology and physical or p2m interface you can't
do it on 12.1. on p2p to each spoke you can , or HUB and one spoke router.
Regards
Mustafa M Bayramov
CISSP
CCNP,CCDP,Cisco Security Specialist
Network engineer and security analyst
"I know nothing except the fact of my ignorance." Socrates
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Jonathan V Hays
Sent: Monday, July 28, 2003 9:54 AM
To: wing_lam@jossynergy.com; ccielab@groupstudy.com
Subject: RE: ISIS neighbor
Interesting problem. I tried something similar recently and was not able
to get it to work unless both spokes were the same type. These were my
results.
L1--L1/L2--L1 Works okay
L2--L1/L2--L2 Works okay
L1--L1/L2--L2 Will NOT work
Was I missing something in my config?
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
wing_lam@jossynergy.com
Sent: Monday, July 28, 2003 9:33 AM
To: ccielab@groupstudy.com
Subject: ISIS neighbor
Hi Group,
With the following scenario:
R1, R2, R3 on the same subnet,
When the question asking you to do:
a) establish a R1--R2 L1 neighbor
b) establish a R2--R3 L2 neighbor
c) There should be no any neighbor relationship between R1 & R3
I think it will be no problem for anybody in a) & b), but for c), I can
think of two fast solution:
1) Set R1 as L1 only, R3 as L2 only
2) Set link authentication for R3's L1
The question is open; (i.e. no request you to do any authentication or
limitation)
Which one is better? Or some other better solutions?
Thx,
BBD (Big Black Dog)
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