Install guide

86 show igmpsnooping Software Reference
show igmpsnooping
Syntax SHow IGMPSNooping [VLAN={vlan-name|1..4094}]
where vlan-name is a unique name for the VLAN 1 to 32 characters long. Valid
characters are uppercase and lowercase letters, digits, the underscore, and the
hyphen.
Description This command displays information about IGMP snooping on a VLAN or
VLANs (Figure 5, Table 2).
If a vlan is specified, only output for that VLAN is displayed.
Figure 5: Example output from the show igmpsnooping command
IGMP Snooping
-----------------------------------------------------------
Status ........................... Enabled
Disabled All-groups ports ........ None
Vlan Name (vlan id) ..... default (1)
Fast Leave .............. On
Static Router Ports ..... None
Query Solicitation ...... Off
Group List ..............
Group. 225.1.2.3 Entry timeout 268 secs
Ports 16,19
Group. 239.1.2.3 Entry timeout 180 secs
Ports 21
Vlan Name (vlan id) ..... vlan2 (2)
Fast Leave .............. On
Group List ..............
All Groups Entry timeout 255 secs
Ports 13
Vlan Name (vlan id) ..... vlan3 (3)
Fast Leave .............. Off
Group List ..............
No group memberships.
-----------------------------------------------------------
Table 2: Parameters in output of the show igmpsnooping command
Parameter Meaning
Status Whether IGMP snooping is enabled.
Disabled All-groups ports A list of ports that are disallowed from acting as an all-
groups port.
VLAN Name (vlan id) The name and VID of the VLAN where IGMP snooping is
operating.
Fast Leave Whether Fast Leave processing is enabled on this VLAN.