487
(2) Configure IGMP query parameters.
a. Configure transmission interval of query packets in IGMP
b. Configure maximum response time for IGMP queries
c. Configure timeout setting for IGMP queries
(3) Configure IGMP version
2、 Disable IGMP
1. Enable IGMP
There is no special command for enabling IGMP in layer3 switches, the IGMP
automatically enables when any multicast protocol is enabled on the respective interface.
Command Explanation
Interface Mode
ip dvmrp | ip pim dense-mode | ip
pim sparse-mode
Enable IGMP protocol; the “no pim
sparse-mode” command disables IGMP
protocol (required)
2. Configure IGMP sub-parameters
(1) Configure IGMP group parameters.
a. Configuring IGMP group filtering criteria
b. Configure IGMP groups
c. Configure static IGMP groups
Command Explanation
Interface Mode
ip igmp access-group {<acl_num |
acl_name>}
no ip igmp access-group
Set the filter criteria for IGMP group on the
interface; the “no ip igmp access-group”
command cancels the filter criteria.
ip igmp join-group <A.B.C.D >
no ip igmp join-group <A.B.C.D >
Join the interface to an IGMP group; the “no
ip igmp join-group” command cancels the
join.
ip igmp static-group <A.B.C.D >
no ip igmp static -group <A.B.C.D
>
Join the interface to a static IGMP group; the
“no ip igmp static -group” command
cancels the join.
(2) Configure IGMP query parameters.
a. Configure transmission interval of query packets in IGMP
b. Configure maximum response time for IGMP queries
c. Configure timeout setting for IGMP queries
Command Explanation