holddown
Noun
Meaning
(engineering) A clamping device that holds another structural element in place.
(computing) A period during which a network router ignores messages about a currently unreachable route, giving it time to become reachable again.
Source: en.wiktionary.orgSynonyms
Examples
If after the Holddown timer expires and still the router is advertising with the same higher hop count then the value is updated into its routing table.