Configuring an rp, Configuring a static rp, Configuring a c-rp – H3C Technologies H3C S10500 Series Switches User Manual

Page 391

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To do...

Use the command...

Remarks

Enter interface view

interface interface-type
interface-number

Enable IPv6 PIM-SM

pim ipv6 sm

Required
Disabled by default.

CAUTION:

All the interfaces of the same device must work in the same IPv6 PIM mode.

NOTE:

For more information about the multicast ipv6 routing-enable command, see

IP Multicast Command

Reference.

Configuring an RP

An RP can be manually configured or dynamically elected through the BSR mechanism. For a large IPv6

PIM network, static RP configuration is a tedious job. Generally, static RP configuration is just a backup

method for the dynamic RP election mechanism to enhance the robustness and operation manageability
of a multicast network.

CAUTION:

In an IPv6 PIM network, if both IPv6 PIM-SM and IPv6 BIDIR-PIM are enabled, do not configure the same
RP to serve IPv6 PIM-SM and IPv6 BIDIR-PIM simultaneously to avoid IPv6 PIM routing table errors.

Configuring a static RP

If only one dynamic RP exists in a network, manually configuring a static RP can avoid communication

interruption due to single-point failures. It can also avoid frequent message exchange between C-RPs and

the BSR.
Perform the following configuration on all the routers in the IPv6 PIM-SM domain.
Follow these steps to configure a static RP:

To do…

Use the command…

Remarks

Enter system view

system-view

Enter IPv6 PIM view

pim ipv6

Configure a static RP for IPv6
PIM-SM

static-rp ipv6-rp-address
[ acl6-number ] [ preferred ]

Required
No static RP by default

CAUTION:

To enable a static RP to work normally, you must perform this configuration on all routers in the IPv6
PIM-SM domain and specify the same RP address.

Configuring a C-RP

In an IPv6 PIM-SM domain, you can configure routers that intend to become the RP as C-RPs. The BSR

collects the C-RP information by receiving the C-RP-Adv messages from C-RPs or auto-RP announcements

from other routers and organizes the information into an RP-set, which is flooded throughout the entire

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