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HA breaks after uploading new NBAR protocol pack.
Loading new NBAR protocol pack
Remove new NBAR command from config: configure terminal no ip nbar protocol-pack bootflash:pp-adv-c9800-173.1-40-54.0.0.pack end Then copy the file to the secondary after the HA comes back up: copy bootflash:pp-adv-c9800-173.1-40-54.0.0.pack bootflash-2:pp-adv-c9800-173.1-40-54.0.0.pack Finally re-enable the command: configure terminal ip nbar protocol-pack bootflash:pp-adv-c9800-173.1-40-54.0.0.pack end
The issue is that the protocol pack is not copied to the secondary, this causes a config mismatch which breaks HA. Manually copying the file over should resolve the issue.
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