Re: IE LAB2 ISIS

From: kwasi-ccie@comcast.net
Date: Wed Mar 16 2005 - 17:06:22 GMT-3


R6 is L1 router so for it to learn L2 prefixes you have to add "level-1-2" on the R2 redistribution statement. Your config should look like:

R2:
router isis
net 49.0001.0001.0001.0002.00
summary-address 51.0.0.0 255.248.0.0
redistribute ospf 1 level-1-2
passive-interface Loopback0
!

-------------- Original message --------------

> Hi
>
> I have just been doing lab2 in IE and for some reason I just can't get the
> default route being sent to R6.
>
> R2: is level-1-2 router and Router 6 is level-1 router but using sub-interface
> on ethernet. If I change R6 to level-1-2 router than I can see all the
> routes ok on R6. But R6 is configured as Level-1 I can't see the default.
>
> Any suggestions:
>
> config on R2:
>
> interface Ethernet0/0
> ip address 132.1.26.2 255.255.255.0
> ip router isis
> half-duplex
> isis circuit-type level-1
>
> router isis
> net 49.0001.0001.0001.0002.00
> summary-address 51.0.0.0 255.248.0.0
> redistribute ospf 1
> passive-interface Loopback0
>
>
> R2: has L1 and L2 routes:
>
>
> R6:
> interface Ethernet0.26
> encapsulation dot1Q 26
> ip address 132.1.26.6 255.255.255.0
> ip router isis
>
>
> router isis
> net 49.0001.0001.0001.0006.00
> passive-interface Loopback0
> is-type level-1
>
>
> Routes on R6:
>
> Rack1R6#sh ip route isis
> 51.0.0.0/16 is subnetted, 8 subnets
> i L1 51.3.0.0 [115/10] via 54.1.2.254, ATM0.1
> i L1 51.2.0.0 [115/10] via 54.1.2.254, ATM0.1
> i L1 51.1.0.0 [115/10] via 54.1.2.254, ATM0.1
> i L1 51.0.0.0 [115/10] via 54.1.2.254, ATM0.1
> i L1 51.7.0.0 [115/10] via 54.1.2.254, ATM0.1
> i L1 51.6.0.0 [115/10] via 54.1.2.254, ATM0.1
> i L1 51.5.0.0 [115/10] via 54.1.2.254, ATM0.1
> i L1 51.4.0.0 [115/10] via 54.1.2.254, ATM0.1
> 54.0.0.0/24 is subnetted, 2 subnets
> i L1 54.1.4.0 [115/20] via 54.1.2.254, ATM0.1
> 150.1.0.0/24 is subnetted, 2 subnets
> i L1 150.1.2.0 [115/10] via 132.1.26.2, Ethernet0.26
> Rack1R6#
>
> Rack1R6#sh clns neig
>
> System Id Interface SNPA State Holdtime Type Protocol
> Rack1R2 Et0.26 0030.9436.24e0 Up 26 L1 IS-IS
> BB1 AT0.1 VC 6 Up 27 L1 IS-IS
> Rack1R6#
>
> Appreciate any info Thanks
>
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