ECS4660-28F_Management Guide-R03

Table Of Contents
C
HAPTER
15
| Multicast Filtering
Layer 2 IGMP (Snooping and Query for IPv4)
– 628 –
DISPLAYING
MULTICAST GROUPS
DISCOVERED BY
IGMP SNOOPING
Use the Multicast > IGMP Snooping > Forwarding Entry page to display the
forwarding entries learned through IGMP Snooping.
CLI REFERENCES
"show ip igmp snooping group" on page 1443
COMMAND USAGE
To display information about multicast groups, IGMP Snooping must first
be enabled on the switch (see page 613).
PARAMETERS
These parameters are displayed:
VLAN – An interface on the switch that is forwarding traffic to
downstream ports for the specified multicast group address.
Group Address – IP multicast group address with subscribers directly
attached or downstream from the switch, or a static multicast group
assigned to this interface.
Source Address – The address of one of the multicast servers
transmitting traffic to the specified group.
Interface – A downstream port or trunk that is receiving traffic for the
specified multicast group. This field may include both dynamically and
statically configured multicast router ports.
Up Time – Time that this multicast group has been known.
Expire – The time until this entry expires.
Count – The number of times this address has been learned by IGMP
snooping.