Rsvp Features - Extreme Networks BlackDiamond 6800 MPLS Installation And User Manual

Configuring RSVP-TE
If any of the above criteria are met, the sender can decide to use the explicit route for
some or all of its sessions. To do this, the sender node adds an explicit route object to
the path message.
After the session has been established, the sender node can dynamically reroute the
session (if, for example, if discovers a better route) by changing the explicit route object.
Record Route
The record route object is used by the sender to receive information about the actual
route traversed by the RSVP-TE LSP. It is also used by the sender to request notification
if there are changes to the routing path. Intermediate or transit nodes can optionally use
the RRO to provide loop detection.
To use the object, the sender adds the record route object to the path message.
Session Attribute
The session attribute object can also be added to the path message. It is used for
identifying and diagnosing the session. The session attribute includes the following
information:
• Setup and hold priorities
• Resource affinities
• Local protection

RSVP Features

This section covers the following features of RSVP:
• Route recording
• Explicit route path LSPs
• Redundant LSPs
• Improving LSP scaling
5-10 MPLS Module Installation and User Guide