Cisco 2970 - Catalyst Switch Especificaciones descargar pdf (Pagina 490)

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Catalyst 2970 Switch Software Configuration Guide

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Chapter 26 Configuring Network Security with ACLs

Configuring VLAN Maps

Applying a VLAN Map to a VLAN

Beginning in privileged EXEC mode, follow these steps to apply a VLAN map to one or more VLANs:

To remove the VLAN map, use the no vlan filter mapname vlan-list list global configuration command.

This example shows how to apply VLAN map 1 to VLANs 20 through 22:

Switch(config)# vlan filter map 1 vlan-list 20-22

Using VLAN Maps in Your Network

This section describes some typical uses for VLAN maps and includes these topics:

• Wiring Closet Configuration, page 26-26

• Denying Access to a Server on a VLAN, page 26-28

Wiring Closet Configuration

In a wiring closet configuration, the switch can support a VLAN map and a QoS classification ACL. In

Figure 26-3, assume that Host X and Host Y are in different VLANs and are connected to wiring closet

switches A and C. Traffic from Host X to Host Y is eventually being routed by Switch B, which has

routing enabled. Traffic from Host X to Host Y can be access-controlled at the traffic entry point,

Switch A.

Command Purpose

Step 1

configure terminal Enter global configuration mode.

Step 2

vlan filter mapname vlan-list list Apply the VLAN map to one or more VLAN IDs.

The list can be a single VLAN ID (22), a consecutive list (10-22), or a string

of VLAN IDs (12, 22, 30). Spaces around the comma and hyphen are

optional.

Step 3

show running-config Display the access list configuration.

Step 4

copy running-config startup-config (Optional) Save your entries in the configuration file.

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Cisco 2970 - Catalyst Switch Especificaciones Pagina 490

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