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Configuring Switching Information 353
Figure 7-72. LAG Hash Summary
The LAG Hash Summary page contains a table with the following fields:
•
LAGs
— Lists the LAG numbers.
•
Hash Algorithm Type
— Shows the type of HASH algorithm for unicast traffic flows that is associated
with the LAG.
Viewing the LAG Hash Algorithm Summary Using CLI Commands
For information about the CLI commands that perform this function, see the following chapter in the
CLI Reference Guide
:
• Port Channel Commands
Managing Multicast Support
The Layer 2 Multicast Forwarding Database is used by the switch to make forwarding decisions for
packets that arrive with a multicast destination MAC address. By limiting multicasts to only certain ports
in the switch, traffic is prevented from going to parts of the network where that traffic is unnecessary.
When a packet enters the switch, the destination MAC address is combined with the VLAN ID and a
search is performed in the Layer 2 Forwarding database. If no match is found, then the packet is either
flooded to all ports in the VLAN or discarded, depending on the switch configuration. If a match is
found, then the packet is forwarded only to the ports that are members of that multicast group.