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If a system loses a network link to the cluster, other systems stop receiving heartbeats over the links from that system. LLT detects this failure and waits for 16 seconds (default value for LLT peer inactive timeout) before declaring that the system lost a link.
You can modify the LLT peer inactive timeout value in the /etc/llttab file. For example, to specify 12 seconds:
Note
After modifying the peer inactive timeout, you must unconfigure, then restart LLT before the change is implemented. To unconfigure LLT, type lltconfig -U. To restart LLT, type lltconfig -c.