Reference Guide

Internet Group Management Protocol (IGMP) | 581
Usage
Information
IGMP commands accept only non-VLAN interfaces — specifying VLAN will not
yield a result.
debug ip igmp
c e s
Enable debugging of IGMP packets.
Syntax
debug ip igmp
[group address | interface]
To disable IGMP debugging, enter
no debug ip igmp [group address | interface]. To
disable all debugging, enter
undebug all.
Parameters
Defaults
Disabled
Command Modes
EXEC Privilege
Command
History
Usage
Information
IGMP commands accept only non-VLAN interfaces — specifying a VLAN will not
yield a result. This command displays packets for IGMP and IGMP Snooping.
group-address (OPTIONAL) Enter the IP multicast group address in dotted decimal format.
interface (OPTIONAL) Enter the following keywords and slot/port or number
information:
• For a 1-Gigabit Ethernet interface, enter the keyword GigabitEthernet
followed by the slot/port information.
• For a Port Channel interface, enter the keyword port-channel followed
by:
-C-Series and S-Series range: 1-128
-E-Series range: 1-32 for EtherScale, 1-255 for TeraScale
• For SONET interfaces, enter the keyword sonet followed by the slot/port
information. This keyword is only available on E-Series and C-Series.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the slot/port information.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.7.0 Introduced on S4810
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
E-Series legacy command