By cliff, 17 April, 2024

Recently we migrated some ASR-1001-X to a new setup with ASR-1001-HX and recent IOS versions on it. After the migration we got some OSPF sessions that kept being stuck in INIT/DROTHER. It appeared these where all ASA firewalls.

After some googling and troubleshooting I came into the following article - 

It seems there are some incompatibilities between ASA and recent ASR/IOS-XE releases. Basically LLS aren't supported 100%.

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