H3C Technologies H3C S12500 Series Switches User Manual

Page 427

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Candidate RP: 4002::1(Vlan-interface105)

Priority: 192

HoldTime: 130

Advertisement Interval: 60

Next advertisement scheduled at: 00:00:48

# Display the BSR information and the locally configured C-RP information in effect on Switch E.

[SwitchE] display pim ipv6 bsr-info

Elected BSR Address: 1003::2

Priority: 20

Hash mask length: 128

State: Elected

Uptime: 00:01:10

Next BSR message scheduled at: 00:01:48

Candidate BSR Address: 1003::2

Priority: 20

Hash mask length: 128

State: Elected

Candidate RP: 1003::2(Vlan-interface102)

Priority: 192

HoldTime: 130

Advertisement Interval: 60

Next advertisement scheduled at: 00:00:48

To view the RP information discovered on a switch, use the display pim ipv6 rp-info command. For
example:
# Display the RP information on Switch A.

[SwitchA] display pim ipv6 rp-info

PIM-SM BSR RP information:

prefix/prefix length: FF0E::101/64

RP: 4002::1

Priority: 192

HoldTime: 130

Uptime: 00:05:19

Expires: 00:02:11

RP: 1003::2

Priority: 192

HoldTime: 130

Uptime: 00:05:19

Expires: 00:02:11

Assume that Host A needs to receive information addressed to the IPv6 multicast group G
FF0E::100. The RP corresponding to the multicast group G is Switch E as a result of hash

calculation, so an RPT will be built between Switch A and Switch E. When the IPv6 multicast source

S 4001::100/64 registers with the RP, an SPT will be built between Switch D and Switch E. After

receiving IPv6 multicast data, Switch A immediately switches from the RPT to the SPT. The switches
on the RPT path (Switch A and Switch E) have a (*, G) entry, and the switches on the SPT path

(Switch A and Switch D) have an (S, G) entry. You can use the display pim ipv6 routing-table

command to view the PIM routing table information on the switches. For example:

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