01-27-2021 12:44 AM
The ISIS protocol is configured on the routers, but the Chapanata and Bagizagan routers do not see each other via ISIS, in the neighbor table they dont exist
!
interface GigabitEthernet3/0 \\ to Bagizagan
ip address 10.254.0.254 255.255.255.252
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
isis metric 9
!
!
router isis
net 20.0001.1032.0255.0069.00
is-type level-2-only
!
interface GigabitEthernet3/0 \\to Chapanata
ip address 10.254.0.253 255.255.255.252
ip router isis
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
isis metric 9
router isis
net 20.0001.1032.0255.0082.00
is-type level-2-only
01-27-2021 12:58 AM
Hello,
post the full configs of all 5 routers involved.
01-27-2021 01:18 AM
Chapanata
interface Loopback0
ip address 10.32.255.69 255.255.255.255
!
interface GigabitEthernet1/0 \\ to Hudjum
ip address 10.254.0.18 255.255.255.252
ip router isis
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
isis metric 10
!
!
interface GigabitEthernet3/0 \\to Bagizagan
ip address 10.254.0.254 255.255.255.252
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
isis metric 9
!
router isis
net 20.0001.1032.0255.0069.00
is-type level-2-only
!
Hudjum
interface Loopback0
ip address 10.32.255.68 255.255.255.255
!
interface GigabitEthernet1/0 \\to Chapanata
ip address 10.254.0.17 255.255.255.252
ip router isis
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
!
interface GigabitEthernet2/0 \\ to Kaftarhana
ip address 10.254.0.14 255.255.255.252
ip router isis
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
!
router isis
net 20.0001.1032.0255.0068.00
is-type level-2-only
!
Kaftarhana
interface Loopback0
ip address 10.32.255.80 255.255.255.255
!
interface GigabitEthernet1/0 \\ to Taylak
ip address 10.254.0.77 255.255.255.252
ip router isis
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
!
interface GigabitEthernet2/0 \\to Hudjum
ip address 10.254.0.13 255.255.255.252
ip router isis
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
!
router isis
net 20.0001.1032.0255.0080.00
is-type level-2-only
Taylak
interface Loopback0
ip address 10.32.255.81 255.255.255.255
!
interface GigabitEthernet1/0 \\ to Kaftarhana
ip address 10.254.0.78 255.255.255.252
ip router isis
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
!
interface GigabitEthernet2/0 \\ to Bagizagan
ip address 10.254.0.81 255.255.255.252
ip router isis
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
!
router isis
net 20.0001.1032.0255.0081.00
is-type level-2-only
Bagizagan
interface Loopback0
ip address 10.32.255.82 255.255.255.255
!
interface GigabitEthernet2/0 \\ To Taylak
ip address 10.254.0.82 255.255.255.252
ip router isis
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
isis metric 10
!
interface GigabitEthernet3/0 \\\ to Chapanata
ip address 10.254.0.253 255.255.255.252
ip router isis
negotiation auto
isis circuit-type level-2-only
isis network point-to-point
isis metric 9
!
router isis
net 20.0001.1032.0255.0082.00
is-type level-2-only
01-27-2021 01:14 AM
Hello @BoburBositkhonov31358 ,
on the first router interface you need to add
ip router isis
Compare the two configurations
Hope to help
Giuseppe
01-27-2021 01:57 AM
Thank you
01-27-2021 04:00 AM
Did Giuseppe's suggestion help ? If not, I'll lab your setup up...
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