HP A8800 Configuration Manual page 409

Ip multicast
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Step
4.
Configure a legal BSR
address range.
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 you want to configure as an IPv6 PIM domain border.
To configure an IPv6 PIM border domain:
Step
1.
Enter system view.
2.
Enter interface view.
3.
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.
To configure C-BSR parameters globally:
Step
1.
Enter system view.
2.
Enter IPv6 PIM view.
3.
Configure the Hash mask
length.
4.
Configure the C-BSR priority.
Configuring C-BSR timers
The BSR election winner multicasts its own IPv6 address and RP-Set information throughout the region that
it serves through bootstrap messages. The BSR floods bootstrap messages throughout the network at the
interval of BS (BSR state) period. Any C-BSR that receives a bootstrap message retains the RP-set for the
length of BS timeout, during which no BSR election takes place. If the BSR state times out and no
bootstrap message is received from the BSR, a new BSR election process is triggered among the C-BSRs.
Command
bsr-policy acl6-number
Command
system-view
interface interface-type
interface-number
pim ipv6 bsr-boundary
Command
system-view
pim ipv6
c-bsr hash-length hash-length
c-bsr priority priority
397
Remarks
Optional.
No restrictions by default.
Remarks
N/A
N/A
No IPv6 PIM domain border is
configured by default.
Remarks
N/A
N/A
Optional.
126 by default.
Optional.
64 by default.

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