Cisco CATALYST 2960 Command Reference Guide

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Catalyst 2960 Switch Command Reference
OL-8604-03
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
show ip igmp snooping
IGMP snooping :Enabled
Immediate leave :Disabled
Multicast router learning mode :pim-dvmrp
Source only learning age timer :10
CGMP interoperability mode :IGMP_ONLY
Last member query interval : 100
This is an example of output from the show ip igmp snooping command. It displays snooping
characteristics for all VLANs on the switch.
Switch> show ip igmp snooping
Global IGMP Snooping configuration:
-----------------------------------
IGMP snooping : Enabled
IGMPv3 snooping (minimal) : Enabled
Report suppression : Enabled
TCN solicit query : Disabled
TCN flood query count : 2
Last member query interval : 100
Vlan 1:
--------
IGMP snooping :Enabled
Immediate leave :Disabled
Multicast router learning mode :pim-dvmrp
Source only learning age timer :10
CGMP interoperability mode :IGMP_ONLY
Last member query interval : 100
Vlan 2:
--------
IGMP snooping :Enabled
Immediate leave :Disabled
Multicast router learning mode :pim-dvmrp
Source only learning age timer :10
CGMP interoperability mode :IGMP_ONLY
Last member query interval : 333
<output truncated>
Related Commands Command Description
ip igmp snooping Enables IGMP snooping on the switch or on a VLAN.
ip igmp snooping
last-member-query-interval
Enables the IGMP snooping configurable-leave timer.
ip igmp snooping querier Enables the IGMP querier function in Layer 2 networks.
ip igmp snooping report-suppression Enables IGMP report suppression.
ip igmp snooping tcn Configures the IGMP topology change notification
behavior.
ip igmp snooping tcn flood Specifies multicast flooding as the IGMP spanning-tree
topology change notification behavior.
ip igmp snooping vlan
immediate-leave
Enables IGMP snooping immediate-leave processing on a
VLAN.
ip igmp snooping vlan mrouter Adds a multicast router port or configures the multicast
learning method.

Cisco CATALYST 2960 Specifications

General

Manageable	Yes
Stacking	No
Model	Catalyst 2960 Series Switches
Power over Ethernet (PoE)	Available on some models (IEEE 802.3af)
VLANs	255 active VLANs
Features	QoS
Operating Temperature	32 to 113°F (0 to 45°C)
Relative Humidity	10% to 85% non-condensing
Power Consumption	Varies by model (30W to 400W)