Cisco Catalyst 2900 Series XL Especificaciones descargar pdf (Pagina 200)

8-8

Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide

78-6511-06

Chapter8 Configuring VLANs

Overlapping VLANs and Multi-VLAN Ports

Figure 8-2 Two VLANs Sharing a Port Connected to a Router

Caution To avoid unpredictable STP behavior and a loss of connectivity, do not connect multi-VLAN ports

to hubs or switches. Connect multi-VLAN ports to routers or servers.

Beginning in privileged EXEC mode, follow these steps to assign ports for multi-VLAN membership:

VLAN 42

12516

Cisco router

VLAN 77

Ports in static-access

mode

Port in multi-VLAN mode

Command Purpose

Step 1

configure terminal Enter global configuration mode.

Step 2

interface interface Enter interface configuration mode, and enter the port to be added to the

VLAN.

Step 3

switchport mode multi Enter the VLAN membership mode for multi-VLAN ports.

Step 4

switchport multi vlan vlan-list Assign the port to more than one VLAN.

Separate nonconsecutive VLAN IDs with a comma; use a hyphen to

designate a range of IDs.

Configuring a switch port for multi-VLAN mode causes VTP to transition to

transparent mode, which disables VTP.

Step 5

end Return to privileged EXEC mode.

Step 6

show interface interface-id

switchport

Verify your entries.

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Cisco Catalyst 2900 Series XL Especificaciones Pagina 200