Cisco Bug: CSCum23148 - On reloading the router config "is-type level-2-only" disappears
Nov 27, 2020
- Cisco 2600 Series Multiservice Platforms
Known Affected Releases
Symptom: Customer configured multiple isis process and when customer reload the router the command is-type level-2-only is missing from the router isis process. Conditions: The order of the IS-IS instances referenced in the interface config is different than the order in which they appear in router config. for example router isis 1 net 00.0000.0000.0001.00 is-type level-2-only router isis 2 net net 01.0000.0000.0002.00 is-type level-1 interface GigabitEthernet0/2.10 encapsulation dot1Q 10 ip address 192.168.10.1 255.255.255.0 clns router isis 2 R1#sh run int gig 0/2.20 Building configuration... Current configuration : 125 bytes ! interface GigabitEthernet0/2.20 encapsulation dot1Q 20 ip address 192.168.20.1 255.255.255.0 clns router isis 1 In router config router isis 1 comes first however under interface isis 1 is called after isis 2.
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