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Chapter 6
Configuring the Line Interface
Configuring the VLAN Environment: Example
The following example selects VLAN-based classification.
SCE(config if)#vlan symmetric classify
Configuring the MPLS Environment
Use this command to set the MPLS environment.
Note
For more information regarding the Cisco Service Control MPLS/VPN solution, see the "MPLS/VPN
Support " chapter.
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•
Options
The following options are available:
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Use the VPN keyword when the labels are mandatory in the traffic, otherwise use traffic-engineering
(default).
Note that using the VPN value incurs a performance penalty.
The MPLS VPN auto-learn option is required in an MPLS/VPN environment.
From the SCE(config if)# prompt, type mpls {traffic-engineering skip|vpn skip|vpn auto-learn} and
Step 1
press Enter.
Specify the desired MPLS mode.
Configuring the MPLS Environment: Example
The following example selects the MPLS/VPN tunnel environment.
SCE(config if)#mpls vpn auto-learn
OL-7827-12
Options, page 6-11
Configuring the MPLS Environment: Example, page 6-11
traffic-engineering skip (default)—Use when all IP addresses are unique and MPLS labels are not
mandatory for routing.
VPN skip —Use when all IP addresses are unique, but MPLS labels are mandatory for routing.
VPN auto-learn —Use in an MPLS/VPN environment where auto-learning is required due to the
existence of private IP addresses and/or VPN based subscribers.
When this option is configured, both ip-tunnel and VLAN must be set to their default values.
Cisco SCE 2000 and SCE 1000 Software Configuration Guide
Tunneling Protocols
6-11
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