Cisco Systems OL-7396-01 Manual De Usuario
16-9
ATM Switch Router Software Configuration Guide
OL-7396-01
Chapter 16
Configuring Tag Switching and MPLS
Configuring Tag Switching
Switch(config-if)# ip address 1.2.0.12 255.255.255.0
Switch(config-if)# tag-switching ip
Switch(config-if)# tag-switching atm control-vc 6 32
Switch(config-if)# exit
If you are having trouble establishing a TDP session, verify that the VPI and VCI values match on the
TDP control channels of the source switch and destination switch.
TDP control channels of the source switch and destination switch.
Displaying the TDP Control Channels
To display the TDP control channel configuration, use the following EXEC command:
The following example shows the TDP control channel configuration on interface ATM 0/0/3:
Switch# show tag-switching interfaces detail
Interface ATM0/0/3:
IP tagging enabled
TSP Tunnel tagging not enabled
Tagging operational
MTU = 4470
ATM tagging: Tag VPI = 1, Control VC = 0/32
<information deleted>
Configuring Tag Switching on VP Tunnels
If you want to configure tag switching on virtual path (VP) tunnels, perform the following steps,
beginning in global configuration mode:
beginning in global configuration mode:
Note
This procedure is optional.
Command
Purpose
show tag-switching interfaces detail
Displays the TDP control channel
configuration on an interface.
configuration on an interface.
Command
Purpose
Step 1
Switch(config)# interface atm card/subcard/port
Switch(config-if)#
Enters interface configuration mode on the
specified ATM interface.
specified ATM interface.
Step 2
Switch(config-if)# atm pvp vpi
Creates a PVP. When configuring PVP
connections, configure the lowest VPI numbers
first.
connections, configure the lowest VPI numbers
first.
Step 3
Switch(config-if)# exit
Switch(config)#
Returns to global configuration mode.
Step 4
Switch(config)# interface atm
card/subcard/port.subinterface#
card/subcard/port.subinterface#
Switch(config-subif)#
Enters subinterface configuration mode.