When configuring ISIS in a multi-area environment I have a question
Why would you set the first ISIS process to be a L1L2 and not just a L2?
I've been reading some documentation on CCO and it says the first area should be a L1L2.
see below for config
!
router isis L2BackBone
redistribute connected route-map CONNECTED-TO-ISIS
redistribute static ip route-map STATIC-TO-ISIS
passive-interface Loopback0
maximum-paths 6
net 39.840f.8000.0000.0000.0000.0010.0010.0255.0249.00
is-type level-2-only
log-adjacency-changes
partition avoidance
!
router isis AREA200
net 39.840f.8000.0000.0000.0000.0200.0010.0255.0249.00
is-type level-1
partition avoidance
!
router isis AREA300
net 39.840f.8000.0000.0000.0000.0300.0010.0255.0249.00
is-type level-1
partition avoidance
!
