347
VLAN ID: 100
Total number of neighbors: 4
Neighbor Port Expires Option Flags
FE80::1 GE1/0/1 02:02:23 LAN Prune Delay
FE80::2 GE1/0/2 03:00:05 LAN Prune Delay
FE80::3 GE1/0/3 02:22:13 LAN Prune Delay
FE80::4 GE1/0/4 03:07:22 LAN Prune Delay
The output shows that Router A, Router B, Router C, and Router D are IPv6 PIM snooping
neighbors.
# On Switch A, display the IPv6 PIM snooping routing information of VLAN 100.
[SwitchA] display pim-snooping ipv6 routing-table vlan 100 slot 1
Total 2 entry(ies)
FSM Flag: NI-no info, J-join, PP-prune pending
VLAN ID: 100
Total 2 entry(ies)
(*, FF1E::101)
Upstream neighbor: FE80::1
Upstream port: GE1/0/1
Total number of downstream ports: 1
1: GE1/0/3
Expires: 00:03:01, FSM: J
(*, FF2E::101)
Upstream neighbor: FE80::2
Upstream port: GE1/0/2
Total number of downstream ports: 1
1: GE1/0/4
Expires: 00:03:11, FSM: J
The output shows that Switch A will forward the multicast data intended for IPv6 multicast group
FF1E::101 to only Router C, and forward the multicast data intended for IPv6 multicast group
FF2E::101 to only Router D.
Troubleshooting IPv6 PIM snooping
This section describes details about troubleshooting IPv6 PIM snooping.
IPv6 PIM snooping does not work
Symptom
IPv6 PIM snooping does not work.
Analysis
MLD snooping or IPv6 PIM snooping is not enabled.
Solution
1.
Use the
display current-configuration
command to verify the status of MLD snooping and
IPv6 PIM snooping.
