MPLS Guide Preface
3HE 18686 AAAB TQZZA © 2022 Nokia.  
Use subject to Terms available at: www.nokia.com
15
 
1 Preface
1.1 About This Guide
This guide describes the services and protocol support provided by the 7705 SAR 
and presents examples to configure and implement MPLS (RSVP-TE and LDP) 
protocols.
This guide is organized into functional chapters and provides concepts and 
descriptions of the implementation flow, as well as Command Line Interface (CLI) 
syntax and command usage. 
1.1.1 Audience
This guide is intended for network administrators who are responsible for configuring 
the 7705 SAR routers. It is assumed that the network administrators have an 
understanding of networking principles and configurations. Concepts described in 
this guide include the following:
• Multiprotocol Label Switching (MPLS)
• Resource Reservation Protocol for Traffic Engineering (RSVP-TE)
• Label Distribution Protocol (LDP)
Note: This manual generically covers Release 22.x content and may contain some content 
that will be released in later maintenance loads. Please refer to the 7705 SAR 22.x.Rx 
Software Release Notes, part number 3HE18702000xTQZZA, for information on features 
supported in each load of the Release 22.x software.
Note: As of Release 21.4, software support for the following hardware has been 
deprecated:
• 7705 SAR-M 6-port DSL Combination module (3HE05914AA)
• 7705 SAR-M 8-port xDSL module (3HE05577AA)
• 7705 SAR-M GPON module (3HE05126AA)
• 7705 SAR-Wx xDSL variants (3HE07618AA, 3HE07619AA)
These components are no longer recognized in the release.