Troubleshooting mld, No member information on the receiver-side router, Symptom – H3C Technologies H3C SecPath F1000-E User Manual

Page 940

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915

[Router-Serial2/1] pim ipv6 dm

[Router-Serial2/1] quit

[Router] interface GigabitEthernet 1/1

[Router-GigabitEthernet1/1] mld enable

[Router-GigabitEthernet1/1] pim ipv6 dm

[Router-GigabitEthernet1/1] quit

# Enable IPv6 multicast routing on the SecPath, MLD proxying on GigabitEthernet 0/1, and MLD
on GigabitEthernet 0/2.

<SecPath> system-view

[SecPath] multicast ipv6 routing-enable

[SecPath] interface GigabitEthernet 0/1

[SecPath-GigabitEthernet0/1] mld proxying enable

[SecPath-GigabitEthernet0/1] quit

[SecPath] interface GigabitEthernet 0/2

[SecPath-GigabitEthernet0/2] mld enable

[SecPath-GigabitEthernet0/2] quit

3.

Verify the configuration:
Use the display mld interface command to display MLD information on an interface. For example:
# Display MLD information on GigabitEthernet 0/1 of the SecPath.

[SecPath] display mld interface GigabitEthernet 0/1 verbose

GigabitEthernet0/1(2001::2):

MLD proxy is enabled

Current MLD version is 1

Multicast routing on this interface: enabled

Require-router-alert: disabled

Use the display mld group command to display MLD group information. For example,
# Display MLD group information on the Router.

[Router] display mld group

Total 1 MLD Group(s).

Interface group report information

GigabitEthernet0/1(2001::1):

Total 1 MLD Groups reported

Group Address Last Reporter Uptime Expires

ff3e::101 2001::2 00:02:04 00:01:15

The output shows that the MLD reports sent from the hosts are forwarded to the Router through the

proxy interface, GigabitEthernet 0/1 of the SecPath.

Troubleshooting MLD

No member information on the receiver-side router

Symptom

When a host sends a message to announce its joining IPv6 multicast group G, no member information

of multicast group G exists on the immediate router.

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