Cisco Cisco IOS Software Release 12.2(27)SBC
MPLS Traffic Engineering—Configurable Path Calculation Metric for Tunnels
Prerequisites
3
Cisco IOS Release: Multiple releases (see the Feature History table)
Prerequisites
Before you configure tunnel path calculation metrics, your network must support the following
Cisco IOS features:
Cisco IOS features:
•
MPLS traffic engineering tunnels
•
IP Cisco Express Forwarding
•
OSPF or IS-IS
Configuration Tasks
See the following sections for configuration tasks for the configurable path calculation metric feature.
Each task in the list indicates if it is optional or required.
Each task in the list indicates if it is optional or required.
•
(required)
•
Configuring the IGP (OSPF or IS-IS) for MPLS Traffic Engineering (required)
–
–
•
(required)
•
(required)
•
(required)
Configuring a Platform to Support Traffic Engineering Tunnels
To configure a platform to support traffic engineering tunnels, perform the following steps in
configuration mode:
configuration mode:
Configuring IS-IS for MPLS Traffic Engineering
To configure IS-IS for MPLS traffic engineering, perform the steps described below. For a description
of the IS-IS commands, see the Cisco IOS IP Command Reference, Volume 2 of 3: Routing Protocols,
Release 12.2 manual.
of the IS-IS commands, see the Cisco IOS IP Command Reference, Volume 2 of 3: Routing Protocols,
Release 12.2 manual.
Command
Purpose
Step 1
Router(config)# ip cef
Enables standard Cisco Express Forwarding
operation.
operation.
For information about Cisco Express Forwarding
configuration and the command syntax, see the
Cisco IOS Switching Services Configuration
Guide and the Cisco IOS IP Switching Command
Reference.
configuration and the command syntax, see the
Cisco IOS Switching Services Configuration
Guide and the Cisco IOS IP Switching Command
Reference.
Step 2
Router(config)# mpls traffic-eng tunnels
Enables the MPLS traffic engineering tunnel
feature on a device.
feature on a device.