Default Settings For Mld - Cisco Nexus 7000 Series Configuration Manual

Configuring MLD
• On M1, M2 and M3 Series modules, you must disable IGMP optimized multicast flooding (OMF) on
• On F2 Series modules, you must disable IGMP optimized multicast flooding (OMF) on all VLANs that
Note When OMF is disabled, unknown IPv4 multicast traffic and all IPv6 multicast traffic is flooded to all ports
in the VLAN.
(Unknown multicast traffic refers to multicast packets that have an active source, but have no receivers in the
ingress VLAN. Having no receivers means that there is no group forwarding entry in the hardware.)

Default Settings for MLD

Table 7: Default MLD Parameters
Parameters
MLD version
Startup query interval
Startup query count
Robustness value
Querier timeout
Query timeout
Query max response time
Query interval
Last member query response interval
Last member query count
Group membership timeout
Report link local multicast groups
Immediate leave
all VLANs that require IPv6 multicast packet forwarding. To disable OMF, use the no ip igmp snooping
optimise-multicast-flood command in VLAN configuration mode.
require IPv6 packet forwarding (unicast or multicast). IPv6 neighbor discovery only functions in a VLAN
with the OMF feature disabled. To disable OMF, use the no ip igmp snooping optimise-multicast-flood
command in VLAN configuration mode.
Default
2
30 seconds
2
2
255 seconds
255 seconds
10 seconds
125 seconds
1 second
2
260 seconds
Disabled
Disabled
Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide

Default Settings for MLD

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