Brocade FastIron Ethernet Switch Layer 3 Routing Configuration Guide - Manual (Page 235)

Configuring RIPng timers
RIPng timers TABLE 52
Timer Description Default
Update Amount of time (in seconds) between RIPng routing updates. 30 seconds.
Timeout Amount of time (in seconds) after which a route is considered unreachable. 180 seconds.
Hold-down Amount of time (in seconds) during which information about other paths is
ignored. 180 seconds.
Garbage-collection Amount of time (in seconds) after which a route is removed from the routing
table.
120 seconds.
You can adjust these timers for RIPng. Before doing so, keep the following caveats in mind:
• If you adjust these RIPng timers, Brocade strongly recommends setting the same timer values for all
routers and access servers in the network.
• Setting the update timer to a shorter interval can cause the devices to spend excessive time updating
the IPv6 route table.
• Brocade recommends setting the timeout timer value to at least three times the value of the update
timer.
• Brocade recommends a shorter hold-down timer interval, because a longer interval can cause delays
in RIPng convergence.
The following example sets updates to be advertised every 45 seconds. If a route is not heard from in
135 seconds, the route is declared unusable. Further information is suppressed for an additional 10
seconds. Assuming no updates, the route is flushed from the routing table 20 seconds after the end of
the hold-down period.
device(config)# ipv6 router rip
device(config-ripng-router)# timers 45 135 10 20
Syntax: [no] timersupdate-timer timeout-timer hold-down-timer garbage-collection-timer
Possible values for the timers are as follows:
• Update timer: 3 through 65535 seconds.
• Timeout timer: 9 through 65535 seconds.
• Hold-down timer: 9 through 65535 seconds.
• Garbage-collection timer: 9 through 65535 seconds.
NOTE
You must enter a value for each timer, even if you want to retain the current setting of a particular timer.
To return to the default values of the RIPng timers, use the no form of this command.
Configuring route learning and advertising parameters
You can configure the following learning and advertising parameters:
Configuring RIPng timers
FastIron Ethernet Switch Layer 3 Routing Configuration Guide 235
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