Juniper JUNOSE, Configuration Manual

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ECMP Labels for MPLS ................................................................................233
MPLS Connectivity and ECMP ...............................................................233
Supported TLVs .....................................................................................234
MPLS Connectivity Verification and Troubleshooting Methods ....................235
LDP Discovery Mechanisms ........................................................................236
LDP Basic Discovery Mechanism ..........................................................237
LDP Extended Discovery Mechanism ....................................................237
MPLS Traffic Engineering ............................................................................238
LSP Backup ...........................................................................................238
Path Option ..........................................................................................238
Reoptimization .....................................................................................239
Methods for Configuring RSVP-TE Tunnels ...........................................239
Tracking Resources for MPLS Traffic Engineering .................................239
Starting Admission Control .............................................................240
Admission Control Interface Table .................................................240
Configuring Traffic-Engineering Resources .....................................240
LSP Preemption ....................................................................................241
Topology-Driven LSPs .................................................................................241
LDP over RSVP-TE ................................................................................241
LDP Graceful Restart ...................................................................................242
LDP-IGP Synchronization ............................................................................244
Synchronization Behavior During Graceful Restart ................................245
Synchronization Behavior on LAN Interfaces ........................................246
Synchronization Behavior on IGP Passive Interfaces .............................246
Synchronization and TE Metrics ............................................................246
Determining Peer Reachability with RSVP-TE Hello Messages .....................246
Hello Message Objects ..........................................................................247
Hello Message Instances .......................................................................247
Sequence of Hello Message Exchange ...................................................247
Determination That a Peer Has Reset ...................................................248
Behavior of the Requesting Peer .....................................................248
Behavior of the Acknowledging Peer ..............................................248
Behavior of Both Peers ...................................................................248
RSVP-TE Graceful Restart ............................................................................249
Announcement of the Graceful Restart Capability .................................249
Restarting Behavior ...............................................................................249
Recovery Behavior ................................................................................250
Preservation of an Established LSP Label ..............................................251
RSVP-TE Hellos Based on Node IDs .............................................................251
BFD Protocol and RSVP-TE ..........................................................................252
Tunneling Model for Differentiated Services Overview ................................253
Pipe and Short Pipe Models ..................................................................253
Uniform Model ......................................................................................254
EXP Bits for Differentiated Services Overview .............................................254
Incoming Traffic ...................................................................................254
Outgoing Traffic ....................................................................................254
Setting the EXP Bits for Outgoing Traffic ...............................................255
Point-to-Multipoint LSPs Overview ..............................................................257
Using E Series Routers as Egress LSRs ..................................................258
Point-to-Multipoint LSPs Configuration ........................................................260
Configuring an E Series Router as an Egress Router ..............................260
Table of Contents
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Table of Contents