Multicast Relay By Mld Snooping Is Disabled - NEC IP8800/S2400 Series Troubleshooting Manual

3.5.5

Multicast Relay by MLD snooping Is Disabled

If multicast relay is disabled when using MLD snooping, follow the analysis flow to identify the symptom using steps
shown in the table below and isolate the problem.
Figure 3-6: Analysis Flow
This system may be the
MLD querier.
Y
Verify that the MLD snooping
configuration is properly set up in
the corresponding VLAN.
Analysis Flow
Is there log information?
N
Is filter setting correct?
Y
Is IPv6 multicast used?
N
Is there MLD querier?
Y
Is the device that relays
multicast data connected
to the same
VLAN?
N
Is it a relay within
the same VLAN?
N
Refer to "3.11 IPv6 Multicast
Routing Communication
Failure."
3.
Troubleshooting Functional Failures in Operation
See the manual "Message Log
Y
Reference" and perform the
action described in [Action]
associated with each log
message.
N
Verify that the settings of
filter and QoS Control are
correct.
Y
Verify that the settings for
using IPv6 multicast at the
same time are correct.
Set IP address on VLAN,
N
and add the querier
function in MLD snooping.
Unresolved
Y
Set the connecting port as
a multicast router port.
Unresolved
N
Is the data relayed
within the same
VLAN?
Y
Verify that other devices
are set to relay the
multicast data.
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