Bridge Unicast Unknown - Cisco 300 Series Cli Manual
Small business 300 series managed switches
command line interface guide release 1.3
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Address Table Commands
78-21075-01 Command Line Interface Reference Guide
•
port-channel port-channel-list
nonconsecutive port-channels with a comma and no spaces; use a hyphen
to designate a range of port channels.
Default Configuration
Ports are not forbidden to dynamically join Multicast groups.
The default option is add.
Command Mode
Interface Configuration (VLAN) mode
User Guidelines
Use this command to forbid a port to dynamically join (by IGMP, for example) a
Multicast group.
The port can still be a Multicast router port.
Example
The following example forbids forwarding of all Multicast packets to gi1 within
VLAN 2.
switchxxxxxx(config)#
switchxxxxxx(config-if)#
gi1
29.17 bridge unicast unknown
Use the bridge unicast unknown Interface Configuration mode command to
enable egress filtering of Unicast packets where the destination MAC address is
unknown to the device. Use the no form of this command to restore the default
configuration.
Syntax
bridge unicast unknown {
no bridge unicast unknown
—Specifies a list of port channels. Separate
2
interface vlan
bridge multicast forbidden forward-all add ethernet
filtering
|
forwarding
}
29
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