LevelOne GTL-2691 User Manual
Page 528
C
HAPTER
15
| Multicast Filtering
Layer 2 IGMP (Snooping and Query)
– 528 –
P
ARAMETERS
These parameters are displayed:
◆
IGMP Query Drop – Configures an interface to drop any IGMP query
packets received on the specified interface. If this switch is acting as a
Querier, this prevents it from being affected by messages received from
another Querier.
◆
Multicast Data Drop – Configures an interface to stop multicast
services from being forwarded to users attached to the downstream
port (i.e., the interfaces specified by this command).
W
EB
I
NTERFACE
To drop IGMP query packets or multicast data packets:
1.
Click Multicast, IGMP Snooping, Interface.
2.
Select Configure Port or Configure Trunk from the Action List.
3.
Enable the required drop functions for any interface.
4.
Click Apply.
Figure 299: Dropping IGMP Query or Multicast Data Packets
D
ISPLAYING
M
ULTICAST
G
ROUPS
D
ISCOVERED
BY
IGMP
S
NOOPING
Use the Multicast > IGMP Snooping > Forwarding Entry page to display the
forwarding entries learned through IGMP Snooping.
CLI R
EFERENCES
◆
"show ip igmp snooping group" on page 1202
C
OMMAND
U
SAGE
To display information about multicast groups, IGMP Snooping must first
be enabled on the switch (see
P
ARAMETERS
These parameters are displayed:
◆
VLAN – An interface on the switch that is forwarding traffic to
downstream ports for the specified multicast group address.