Foundry NetIron M2404C and M2404F Metro Access Switches
Switch Administration (Rev. 03)
Managing the MAC Address Table © 2008 Foundry Networks, Inc.
Page 16 of 87
Command
Description
port learning new-
address
Enables/disables learning of new MAC addresses per port.
Enabling/disabling Learning New MAC Addresses Globally
The
learning new-address
command, in Global Configuration mode, enables/disables learning of
new MAC addresses globally.
When learning is disabled, no new MAC addresses will be learned in the MAC address table and
the unicast traffic will be flooded to all the relevant ports (depending on the VLAN configuration).
By default, the learning is enabled.
NOTE
When
learning new-address
is disabled per port or globally, the following features
will not function correctly:
Port limit
Port Security
dot1x port-control
DHCP Snoop.
Command Syntax
device-name
(config)#
learning new-address
{
enable
|
disable
}
Argument Description
enable
Enables new MAC address learning.
disable
Disables new MAC address learning.
Enabling/disabling Learning New Addresses per Port
The
port
learning new-address
command, in Interface Configuration mode, enables/disables
learning new MAC addresses per port.
When learning is disabled, no new MAC addresses will be learned in the MAC address table on the
specified port and the unicast traffic that is destined to devices connected to this port will be
flooded to all the relevant ports (depending on the VLAN configuration).
By default, the learning is enabled.
NOTE
When
learning new-address
is disabled per port or globally, the following features
will not function correctly:
Port limit
Port Security
dot1x port-control
DHCP Snoop