Configuration Guide User guide

FastIron Configuration Guide 1647
53-1002494-02
MLD snooping configuration
Displaying MLD snooping information by VLAN
You can display MLD snooping information for all VLANs or for a specific VLAN. For example, to
display MLD snooping information for VLAN 70, enter the following command.
Syntax: show ipv6 mld-snooping vlan [<vlan-id>]
If you do not specify a vlan-id, information for all VLANs is displayed.
The following table describes information displayed by the show ipv6 mld-snooping vlan command.
Clear MLD snooping commands
The clear commands for MLD snooping should only be used in troubleshooting situations or when
recovering from error conditions.
Clear ing MLD counters on VLANs
To clear MLD Snooping error and traffic counters on all VLANs, enter the clear ipv6 mld-snooping
counters command.
Brocade#clear ipv6 mld-snooping counters
Syntax: clear ipv6 mld-snooping counters
Clearing MLD mcache
To clear the mcache on all VLANs, enter the clear ipv6 mld-snooping mcache command.
Brocade#clear ipv6 mld-snooping mcache
Syntax: clear ipv6 mld-snooping mcache
This field Displays
version The MLD version number.
query-t How often a querier sends a general query on the interface.
group-aging-t Number of seconds membership groups can be members of this group before aging out.
rtr-port The router ports which are the ports receiving queries. The display router ports:
0/1/36(120) fe80::2e0:52ff:fe00:9900 means port 0/1/36 has a querier with
fe80::2e0:52ff:fe00:9900 as the link-local address, and the remaining life is 120 seconds.
max-resp-t The maximum number of seconds a client can wait before it replies to the query.
non-QR Indicates that the port is a non-querier.
QR Indicates that the port is a querier.
Brocade#show ipv6 mld-snooping vlan 70
version=1, query-t=60, group-aging-t=140, max-resp-t=3, other-qr-present-t=123
VL70: cfg V2, vlan cfg passive, 2 grp, 0 (SG) cache, rtr ports,
router ports: 0/1/36(120) fe80::2e0:52ff:fe00:9900,
0/1/26 has 2 grp, non-QR (passive), cfg V1
0/1/26 has 2 grp, non-QR (passive), cfg V1
group: ff10:1234::5679, life = 100
group: ff10:1234::5678, life = 100
0/1/35 has 0 grp, non-QR (QR=fe80::2e0:52ff:fe00:9900, age=20), dft V2 trunk