240
The output shows the following:
• Switch A will forward the multicast data intended for IPv6 multicast group FF1E::101 to only Router
C.
• Switch A will forward the multicast data intended for IPv6 multicast group FF2E::101 to only Router
D.
Troubleshooting IPv6 PIM snooping
This section describes common IPv6 PIM snooping problems and how to troubleshoot them.
IPv6 PIM snooping does not work on a Layer 2 device
Symptom
IPv6 PIM snooping does not work on a Layer 2 device.
Analysis
MLD snooping or IPv6 PIM snooping is not enabled.
Solution
1. Use the display current-configuration command to display information about MLD snooping and
IPv6 PIM snooping.
2. If MLD snooping is not enabled, enable MLD snooping globally, and then enable MLD snooping
and IPv6 PIM snooping for the VLAN.
3. If IPv6 PIM snooping is not enabled, enable IPv6 PIM snooping for the VLAN.
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