User Manual UMN:CLI
V5808
609
• Garbage
The invalid information of route is deleted on the routing table every 120 seconds.
Once the information of route is classified as “invalid”, it’s eventually removed from
the routing table after 120 seconds.
To adjust the timers, use the following command.
timers basic UPDATE TIMEOUT
GARBAGE
Adjusts RIP network timers.
UPDATE: routing table update timer value in second
(5-2147483647, default: 30 seconds)
TIMEOUT: routing information timeout timer value in
second (5-2147483647, default: 180 seconds)
GARBAGE: garbage collection timer value in second
(5-2147483647, default: 120 seconds)
Restores the default timers.
11.5.12 Split Horizon
Normally, routers that are connected to broadcast type IP networks and that use distance-
vector routing protocols employ the split horizon mechanism to reduce the possibility of
routing loops. Split horizon blocks information about routes from being advertised by a
router out any interface from which that information originated. This behavior usually
optimizes communications among multiple routers, particularly when links are broken.
However, with non-broadcast networks, such as Frame Relay, situations can arise for
which this behavior is less than ideal. For these situations, you might want to disable split
horizon. If the interface is configured with secondary IP address and split horizon is
enabled, updates might not be sourced by every secondary address. One routing update
is sourced per network number unless split horizon is disabled.
To enable or disable split horizon mechanism, use the following command in Interface
Configuration mode.
ipv6 rip split-horizon [poisoned]
Enables the split horizon mechanism.
poisoned: performs poisoned reverse.
no rip ipv6 split-horizon
[poisoned]
Disables the split horizon mechanism.
11.5.13 UDP Buffer Size of RIP
RIP protocol exchanges the routing information between routers using UDP packets. The
V5808 can be configured theses UDP packets buffer size, use the following command.
recv-buffer-size <32768-
2147483647>
Sets the UDP Buffer size value for using RIP.
32768-2147483647: UDP buffer size value
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