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Configuring Switch Information 317
Console (config)# interface port-channel 1
Console (config-if)# channel-group 1 mode on
Console# show interfaces port-channel
ChannelPort
------------ ----------------------------------
Ch 1 Active g1, g2 Inactive g3
Ch 2 Active g2
Ch 3 Inactive g8
Multicast Forwarding Support
Multicast forwarding allows a single packet to be forwarded to multiple destinations. The L2
Multicast service is based on an L2 switch receiving a single packet addressed to a specific
Multicast address. Multicast forwarding creates copies of the packet, and transmits the packets to
the relevant ports.
This device supports:
•
Forwarding L2 Multicast Packets
— Forwards Layer 2 Multicast packets. Layer 2 Multicast
filtering is enabled by default and is not user-configurable.
NOTE: The system supports Multicast filtering for 256 Multicast groups.
•
Filtering L2 Multicast Packets
— Forwards Layer 2 packets to interfaces. If Multicast filtering
is disabled, Multicast packets are flooded to all relevant ports.
To open the
Multicast Support
page, click
Switch
→
Multicast Support
in the tree view.
Defining Multicast Global Parameters
Layer 2 switching forwards Multicast packets to all relevant VLAN ports by default, managing the
packet as a Multicast transmission. While Multicast traffic forwarding is effective, it is not optimal
as irrelevant ports also receive the Multicast packets. The excess packets cause increased network
traffic. Multicast forwarding filters enable forwarding of Layer 2 packets to port subsets.
show interfaces port-
channel [
port-channel-
number
]
Displays port-channel information.
Table 7-30. LAG Membership CLI Commands
CLI Command Description