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Cli command, Automatic vlan creation, Automatic vlan creation -35 – Avaya 580 User Manual

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Document No. 10-300077, Issue 2

8-35

Configuring Ports

CLI Command

To configure switch ports using the CLI, use the following CLI command:

(configure)#

set port

* Note: See the examples later in this section for recommendations on

how to set particular trunk port connections.

* Note: See “

VLAN Operation

” in

Chapter 6

for more information on

creating VLANs.

Automatic VLAN Creation

Automatic VLAN creation is done by enabling the Automatic VLAN
Creation parameter on an individual port under the ‘Module & Ports >
Configuration > Switch Ports > name menu. With this parameter enabled,
the port will automatically create a VLAN each time it receives a frame
from an unknown VLAN ID in received IEEE 802.1Q and Multi-Layer
tagged frames.

* Note: The automatic VLAN creation feature does not create entries in

3Com Mapping Tables.

When a VLAN is created automatically the VLAN name and VLAN ID are
derived from the received tagged frame. The VLAN name will be created as
*autoVlan . The VLAN ID will be identical to the VLAN ID of
the received tagged frame. As with all VLANs, the VLAN name may be
modified to something more descriptive.

Table 8-9

shows the Avaya P580 and P882 Multiservice switch VLAN

table. The VLANs Default and Discard are permanent VLANs assigned to
every switch. VLAN Net90 is a manually created VLAN, while VLAN
*autoVlan1001 was created automatically by software.

Table 8-8

describes the VLAN Binding field options.

Automatic VLAN
Creation

Enable (Disable if using VTP Snooping) - Causes the
switch to learn new VLAN IDs that arrive at the port, and
then bind the port to these VLANs.

VTP Snooping

Enable - Causes the switch to update its VLANs as they
are created, deleted, or changed on the Catalyst.

Table 8-7. Example 1. Trunk to Cisco Catalyst 5000

TM

Parameter

Recommended Setting

2 of 2

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