3Com S7902E, Руководство по настройке

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Follow these steps to configure the prune delay time
To do... Use the command... Remarks
Enter system view system-view —
Enter IPv6 PIM view
pim ipv6
—
Configure the prune delay
interval
prune delay interval
Optional
3 seconds by default
Configuring IPv6 PIM Common Timers
IPv6 PIM routers discover IPv6 PIM neighbors and maintain IPv6 PIM neighboring relationships with
other routers by periodically sending out hello messages.
Upon receiving a hello message, an IPv6 PIM router waits a random period, which is smaller than the
maximum delay between hello messages, before sending out a hello message. This avoids collisions
that occur when multiple IPv6 PIM routers send hello messages simultaneously.
An IPv6 PIM router periodically sends join/prune messages to its upstream for state update. A
join/prune message contains the join/prune timeout time. The upstream router sets a join/prune timeout
timer for each pruned downstream interface.
Any router that has lost assert election will prune its downstream interface and maintain the assert state
for a period of time. When the assert state times out, the assert loser will resume IPv6 multicast
forwarding.
When a router fails to receive subsequent IPv6 multicast data from the IPv6 multicast source S, the
router does not immediately delete the corresponding (S, G) entry; instead, it maintains the (S, G) entry
for a period of time, namely the IPv6 multicast source lifetime, before deleting the (S, G) entry.
Configuring IPv6 PIM common timers globally
Follow these steps to configure IPv6 PIM common timers globally:
To do... Use the command... Remarks
Enter system view system-view —
Enter IPv6 PIM view pim ipv6 —
Configure the hello interval timer hello interval
Optional
30 seconds by default
Configure the join/prune
interval
timer join-prune interval
Optional
60 seconds by default
Configure the join/prune
timeout time
holdtime join-prune interval
Optional
210 seconds by default
Configure assert timeout time holdtime assert interval
Optional
180 seconds by default
Configure the IPv6 multicast
source lifetime
source-lifetime interval
Optional
210 seconds by default