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Configure IPv6 PIM-SM Aggregation Router

Configuration Condition

Before configuring RP, first complete the following tasks:

  • Configure the network layer address of the interface, making the neighboring node network layer reachable
  • Configure any unicast route protocol, making the intra-domain route reachable
  • Enable the IPv6 PIM-SM protocol

Configure C-RP

RP is generated by the C-RP election. After BSR is elected, all C-RPs (Candidate-Rendezvous Point) regularly unicast the C-RP packet to BSR. BSR integrates the C-RP information and transmits the information to all devices in the IPv6 PIM-SM domain via the bootstrap packet.

Table 11-3 Configure C-RP

Step

Command

Description

Enter global configuration mode

configure terminal

-

Configure C-RP

ipv6 pim rp-candidate interface-name [ [ priority-value [ interval-value [ group-list { access-list-number | access-list-name } ] ] ] | [ group-list { access-list-number | access-list-name } ] ] [ vrf vrf-name ]

Mandatory

By default, there is no C-RP.

note


  • RP election rules:
  1. For the group range of the C-RP service, perform the longest matching of the mask.
  2. If the longest matching of the mask has multiple C-RPs, compare the C-RP priority. The smaller the value, the high the priority. The one with highest priority wins.
  3. If there are multiple C-RPs with highest priority, perform the HASH calculation for the C-RP address and group. The one with the largest HASH value wins.
  4. If there are multiple RPs with the largest HASH, the C-RP with the largest IPv6 address wins.

Configure Static RP

For the simple IPv6 PIM-SM network, it is suggested to use the static RP. If using the static RP, do not need to perform the BSR configuration, eliminating the frequent interacting between RP and BSR, so as to save the network bandwidth.

Table 11-4 Configure static RP

Step

Command

Description

Enter global configuration mode

configure terminal

-

Configure the static RP

ipv6 pim rp-address ipv6-address [ access-list-name | access-list-number ] [ override ] [ vrf vrf-name ]

Mandatory

By default, there is no static RP.

note


  • All devices in the same IPv6 PIM-SM domain should be configured with the same static RP.