Configuration Guide System Upgrade Configuration
*Feb 10 15:47:12: %UPGRADE-4-PROTO_TIMEOUT: Server is busy and ack timeo
ut.
By this time, the following solutions can be used:
1. Ensure whether the boardcards to be upgraded are plugged or reset.
2. Ensure whether the boardcards to be upgraded are busy (with high CPU
utilization rate)
3. Ensure whether the boardcards to be upgraded are using large file system
space, if so, remove some useless files, and retry the upgrade after freeing the
file system space.
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