Monitoring the Route Hold-Down Time for IP Forwarding Tables


Display the configured hold-down time allotted after an initial routing table change for the accumulation and subsequent distribution of a set of routing table updates to the line modules. The default value is 3 seconds; the range is 0–30 seconds.

A higher hold-down setting can enhance SRP performance; however, a higher setting can also delay the implementation of routing table changes on the line modules.

A hold-down timer value of zero (0) distributes an update after each change to the routing table.


To display the configured hold-down time:

host1#show forwarding-table route-holddown
  Hold-down timer value is 3 seconds.

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