Extreme Networks ExtremeWare 7.0.0, Command Reference Manual, Page: 181 / 1598

disable learning ports
ExtremeWare Software 7.0.0 Command Reference Guide 181
disable learning ports
disable learning ports <portlist>
Description
Disables MAC address learning on one or more ports for security purposes.
Syntax Description
Default
Enabled.
Usage Guidelines
On a modular switch,
<portlist>
can be a list of slots and ports. On a stand-alone switch,
<portlist>
can be one or more port numbers.For a detailed explanation of port specification, see “Modular Switch
Numerical Ranges” or “Stand-alone Switch Numerical Ranges” in Chapter 1.
If MAC address learning is disabled, only broadcast traffic, EDP traffic, and packets destined to a
permanent MAC address matching that port number, are forwarded.
Use this command in a secure environment where access is granted via permanent forwarding
databases (FDBs) per port.
Learning must be disabled to allow port flooding. See the
enable flooding
command for information
on enabling port flooding.
Example
The following command disables MAC address learning on port 4 on a stand-alone switch:
disable learning ports 4
History
This command was first available in ExtremeWare 2.0.
This command was modified in ExtremeWare 6.1 to support PoS modules.
Platform Availability
This command is available on all platforms.
portlist Specifies one or more ports or slots and ports. On a modular switch, can be a
list of slots and ports. On a stand-alone switch, can be one or more port
numbers. May be in the form 1, 2, 3-5, 2:5, 2:6-2:8.