26 configuring ldp – CANOGA PERKINS CanogaOS Configuration Guide User Manual

Page 211

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CanogaOS Configuration Guide

Proprietary & Confidential Canoga Perkins Metro Ethernet Switches

Page 211 of 350

26 Configuring LDP

This chapter describes how to configure LDP.
A fundamental concept in MPLS is that two Label Switching Routers (LSRs) must agree on the
meaning of the labels used to forward traffic between and through them. This common
understanding is achieved by using a set of procedures, called label distribution protocol -LDP.
The CanogaOS software supports these features:
Downstream unsolicited label distribution with liberal retention mode.
Supports control-mode modification.
Supports lsr-id and transport-address modification.
Supports targets peer setting.
Supports outbound label filtering.
Supports explicit null label.
This configuration guide will describe the basic configuration of LDP in our system and give
some examples for it.
More information about LDP, please see RFC3031 and FRC3036.

26.1.1 Configure parameters to set up LDP connection between lsr-a, lsr-b and

lsr-c.

configure lsr-a:

Beginning in privileged EXEC mode, follow these steps to configure the LDP:

Command

Description

DUT1#configure terminal

Enter the Configure mode.

DUT1(config)# interface
eth-0-17

Enter the Interface mode.
• eth-0-17—Specify the interface

DUT1(config-if)# no
switchport

Configure the port as route port.

DUT1(config-if)# ip address
11.11.17.1/24

Create IP address on the port.

DUT1(config-if)# enable-ldp

Configuring Interface for LDP

DUT1(config-if)#
label-switching

Enable label-switching on interface.

DUT1(config-if)#exit

Exit the Configure mode.

DUT1(config)#router ldp

Enter the router-ldp mode

DUT1(config-router)#exit

Exit the router-ldp mode

DUT1(config)#router rip

Enter the router-rip mode

DUT1(config-router)#network Configuring the port as layer 3 port.

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