holddown

基本解释

The default holddown for RIP is 180 seconds.
RIP预设的保持时间为180秒。
The holddown timer is another mechanism that may need to be configured.
保持计时器是另一个可能需要组态设定的机制。
How does route poisoning work with holddown timers to prevent routing loops?
带有抑制计时的路由毒化是如何防止路由循环的?
Therefore, the holddown timer should be set to slightly more than 120 seconds.
因此，保持计时器应该设成比120秒还稍大些。
The holddown timer specifies the amount of time for which information about poorer routes is ignored.
保持计时器指定较差的路由资讯将被忽略的时间总计。