H3C Technologies H3C S12500 Series Switches - Manual (Page 311)

295
• Configure the basic RIPng.
Configuring RIPng timers
You can adjust RIPng timers to optimize the performance of the RIPng network. Based on network
performance, make RIPng timers of RIPng routers identical to each other to avoid unnecessary traffic or
route oscillation.
To configure RIPng timers:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter RIPng view. ripng [ process-id ] N/A
3. Configure RIPng
timers.
timers { garbage-collect
garbage-collect-value | suppress
suppress-value | timeout
timeout-value | update
update-value } *
Optional.
The RIPng timers have the following defaults:
• Update timer—30 seconds.
• Timeout timer—180 seconds.
• Suppress timer—120 seconds.
• Garbage-collect timer—120 seconds.
Configuring split horizon and poison reverse
If both split horizon and poison reverse are configured, only the poison reverse function takes effect.
Configuring split horizon
The split horizon function disables a route learned from an interface from being advertised through the
same interface to prevent routing loops between neighbors. H3C recommends enabling split horizon to
prevent routing loops.
In frame relay, X.25 and other non-broadcast multi-access (NBMA) networks, split horizon should be
disabled if multiple VCs are configured on the primary interface and secondary interfaces to ensure
route advertisement. For more information, see Layer 2—WAN Configuration Guide.
To configure split horizon:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter interface view.
interface interface-type
interface-number
N/A
3. Enable the split horizon
function.
ripng split-horizon
Optional.
Enabled by default.
Configuring poison reverse
The poison reverse function enables a route learned from an interface to be advertised through the
interface. However, the metric of the route is set to 16, which means the route is unreachable.
To configure poison reverse: