Configuring An Rp - HP 6125XLG Configuration Manual

To enable IPv6 PIM-SM:
Step
1. Enter system view.
2. Enable IPv6 multicast routing.
3. Enter interface view.
4. Enable IPv6 PIM-SM.

Configuring an RP

An RP can provide services for multiple IPv6 multicast groups. However, only one RP can forward IPv6
multicast traffic for an IPv6 multicast group at a moment.
An RP can be manually configured or dynamically elected through the BSR mechanism. For a
large-scaled IPv6 PIM network, configuring static RPs is a tedious job. Generally, static RPs are backups
for dynamic RPs to enhance the robustness and operational manageability on an IPv6 multicast network.
Configuring a static RP
If only one dynamic RP exists on a network, you can configure a static RP to avoid communication
interruption caused by single-point failures. It can also avoid waste of bandwidth due to frequent
message exchange between C-RPs and the BSR. The static RP configuration must be the same on all
routers in the IPv6 PIM-SM domain.
To configure a static RP:
Step
1. Enter system view.
2. Enter IPv6 PIM view.
3. Configure a static RP for IPv6
PIM-SM.
Configuring a C-RP
In an IPv6 PIM-SM domain, if you want a router to become the RP, you can configure the router as a C-RP.
The BSR collects the C-RP information according to the received advertisement messages from C-RPs or
the auto-RP announcements from other routers, and organizes the C-RP information into the RP-set
information, which is flooded throughout the entire network. Then, the other routers in the network can
determine the RPs for different IPv6 multicast group ranges based on the RP-set information. HP
recommends configuring C-RPs on backbone routers.
To enable the BSR to distribute the RP-set information in the PIM-SM domain, the C-RPs must periodically
send advertisement messages to the BSR. The BSR learns the C-RP information, encapsulates the C-RP
information and its own IPv6 address in a BSM, and floods the BSM to all IPv6 PIM routers in the domain.
An advertisement message contains a holdtime option, which defines the C-RP lifetime for the advertising
C-RP. After the BSR receives an advertisement message from a C-RP, it starts a timer for the C-RP. If the BSR
Command
system-view
ipv6 multicast routing-enable
interface interface-type
interface-number
ipv6 pim sm
Command
system-view
ipv6 pim
static-rp ipv6-rp-address
[ acl6-number | preferred ] *
152
Remarks
N/A
By default, IPv6 multicast routing is
disabled.
N/A
By default, IPv6 PIM-SM is
disabled.
Remarks
N/A
N/A
By default, no static RP is
configured.