HP 4800G Series Configuration Manual page 1035

neighbor is lost or the upstream neighbor has changed. In this case, it triggers a join message for state
update.
If you disable join suppression (namely, enable neighbor tracking), the join suppression feature should
be disabled on all IPv6 PIM routers on a multi-access subnet; otherwise, the upstream router will fail to
explicitly track which downstream routers are joined to it.
Configuring hello options globally
Follow these steps to configure hello options globally:
To do...
Enter system view
Enter IPv6 PIM view
Configure the priority for DR
election
Configure IPv6 PIM neighbor
timeout time
Configure the prune delay time
(LAN-delay)
Configure the prune override
interval
Disable join suppression
Configuring hello options on an interface
Follow these steps to configure hello options on an interface:
To do...
Enter system view
Enter interface view
Configure the priority for DR
election
Configure IPv6 PIM neighbor
timeout time
Configure the prune delay time
(LAN-delay)
Configure the prune override
interval
Disable join suppression
Use the command...
system-view
pim ipv6
hello-option dr-priority
priority
hello-option holdtime interval
hello-option lan-delay interval
hello-option override-interval
interval
hello-option
neighbor-tracking
Use the command...
system-view
interface interface-type
interface-number
pim ipv6 hello-option
dr-priority priority
pim ipv6 hello-option
holdtime interval
pim ipv6 hello-option
lan-delay interval
pim ipv6 hello-option
override-interval interval
pim ipv6 hello-option
neighbor-tracking
1-30
Remarks
—
—
Optional
1 by default
Optional
105 seconds by default
Optional
500 milliseconds by default
Optional
2,500 milliseconds by default
Required
Enabled by default
Remarks
—
—
Optional
1 by default
Optional
105 seconds by default
Optional
500 milliseconds by default
Optional
2,500 milliseconds by default
Required
Enabled by default