Allied Telesis AR450S Bedienungsanleitung PDF herunterladen (Seite 26)

3-26 DISABLE SWITCH LEARNING AR400 Series Router Software Reference

Software Release 2.6.6

C613-03079-00 REV A

Example To disable all switch debugging, use the command:

DISABLE SWITCH DEBUG=ALL

Related Commands ENABLE SWITCH DEBUG

SHOW SWITCH

DISABLE SWITCH LEARNING

Syntax DISABLE SWITCH LEARNING

Description This command disables the dynamic learning and updating of the Forwarding

Database. The default setting for the learning function is enabled.

If switch learning is disabled, and the ageing timer has aged out all

dynamically learned filter entries, statically entered MAC source addresses are

used to decide which packets to forward or discard. If no matching entries in

the Forwarding Database are found during the Forwarding Process, then all

switch ports in the VLAN are flooded with the packet except the port where

packet was received.

Example To disable the switch learning function, use the command:

DISABLE SWITCH LEARNING

Related Commands ENABLE SWITCH LEARNING

SHOW SWITCH

DISABLE SWITCH PORT

Syntax DISABLE SWITCH PORT={port-list|ALL} [AUTOMDI]

DISABLE SWITCH PORT={port-list|ALL} [FLOW]

where:

■ port-list is a port number, a range of port numbers (specified as n-m), or a

comma separated list of port numbers and/or ranges. Port numbers start

at 1 and end at m, where m is the highest numbered Ethernet port.

Description This command disables a switch port or group of switch ports, or disables the

auto MDI/MDI-X, or disables the flow control mechanism. If the port is

disabled, it no longer sends or receives packets. Switch ports are enabled by

default.

The PORT parameter specifies the port(s) to be disabled or which are to have

flow control methods disabled.

The AUTOMDI parameter disables auto MDI/MDI-X.

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