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Depending on the type of Protocol Independent Routing (PIM) configuration on the wired network, the
layer 3 switch is configured either in PIM Sparse mode or in PIM dense mode. There is also a hybrid
mode, PIM sparse-dense mode which is widely used.
interface Vlan56
ip address 9.5.56.1 255.255.255.0
ip helper-address 9.1.0.100
ip pim sparse-dense-mode
end
show ip igmp interfaces
This command displays the version of IGMP configured on the switch or the router. The IGMP activity
on the interface can also be verified in the form of IGMP join and leave messages by the clients.
L3_Switch#show ip igmp interface
Vlan56 is up, line protocol is up
Internet address is 9.5.56.1/24
IGMP is enabled on interface
Current IGMP host version is 2
Current IGMP router version is 2
IGMP query interval is 60 seconds
IGMP configured query interval is 60 seconds
IGMP querier timeout is 120 seconds
IGMP configured querier timeout is 120 seconds
IGMP max query response time is 10 seconds
Last member query count is 2
Last member query response interval is 1000 ms
Inbound IGMP access group is not set
IGMP activity: 6 joins, 3 leaves
Multicast routing is enabled on interface
Multicast TTL threshold is 0
Multicast designated router (DR) is 9.5.56.1 (this system)
IGMP querying router is 9.5.56.1 (this system)
Multicast groups joined by this system (number of users):
224.0.1.40(1)
display the SVI interfaces that are participating in the IGMP membership.
Flex 7500 Wireless Branch Controller Deployment Guide
Client ACL Support
105
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