HP 4800G Series Configuration Manual page 1027

Since a large amount of information needs to be exchanged between a BSR and the other devices in
the IPv6 PIM-SM domain, a relatively large bandwidth should be provided between the C-BSR and the
other devices in the IPv6 PIM-SM domain.
Configuring an IPv6 PIM domain border
As the administrative core of an IPv6 PIM-SM domain, the BSR sends the collected RP-Set information
in the form of bootstrap messages to all routers in the IPv6 PIM-SM domain.
An IPv6 PIM domain border is a bootstrap message boundary. Each BSR has its specific service scope.
A number of IPv6 PIM domain border interfaces partition a network into different IPv6 PIM-SM domains.
Bootstrap messages cannot cross a domain border in either direction.
Perform the following configuration on routers that can become an IPv6 PIM domain border.
Follow these steps to configure an IPv6 PIM border domain:
To do...
Enter system view
Enter interface view
Configuring an IPv6 PIM
domain border
Configuring C-BSR parameters globally
In each IPv6 PIM-SM domain, a unique BSR is elected from C-BSRs. The C-RPs in the IPv6 PIM-SM
domain send advertisement messages to the BSR. The BSR summarizes the advertisement messages
to form an RP-set and advertises it to all routers in the IPv6 PIM-SM domain. All the routers use the
same Hash algorithm to get the RP address corresponding to specific IPv6 multicast groups.
Perform the following configuration on C-BSR routers.
Follow these steps to configure C-BSR parameters globally:
To do...
Enter system view
Enter IPv6 PIM view
Configure the Hash mask
length
Configure the C-BSR priority
Use the command...
system-view
interface interface-type
interface-number
pim ipv6 bsr-boundary
Use the command...
system-view
pim ipv6
c-bsr hash-length hash-length
c-bsr priority priority
1-22
Remarks
—
—
Required
No IPv6 PIM domain border is
configured by default
Remarks
—
—
Optional
126 by default
Optional
0 by default