Virtual Private Routed Network (VPRN) service

The 7705 SAR-Hm series of routers support a filter action that adjusts the maximum segment size of TCP packets traversing VPRN SAP interfaces. See TCP MSS adjustment filter on VPRN SAP interfaces for information.

For general information about VPRN support, see the topics listed below in the "Virtual Private Routed Network" chapter of the 7450 ESS, 7750 SR, 7950 XRS, and VSR Layer 3 Services Guide: IES and VPRN.

• VPRN service overview

  • Routing prerequisites

  • Core MP-BGP support

  • Route distinguishers

  • Route reflector

  • CE-to-CE route exchange

  • Constrained route distribution (RT constraint)

  • BGP best-external in a VPRN Context

• VPRN features

  • IP interfaces

    • Traffic differentiation based on route characteristics

    • Associating an FC priority with a route

    • Displaying QoS information associated with routes

    • Object grouping and state monitoring

    • VPRN IP interface applicability

  • SAPs

    • Encapsulations

    • Pseudowire SAPs

  • QoS policies

  • Filter policies

  • DSCP marking

  • Configuration of TTL propagation for VPRN routes

  • CE to PE routing protocols

  • Spoke SDPs

  • IP-VPNs

  • Traffic leaking to GRT

  • Traffic leaking from VPRN to GRT for IPv6

  • RIP metric propagation in VPRNs

  • NTP within a VPRN service

  • VPN route label allocation

• QoS on ingress binding

• FIB prioritization

• Configuring a VPRN service with CLI

• Service management tasks

For descriptions of VPRN commands, see the 7450 ESS, 7750 SR, 7950 XRS, and VSR Classic CLI Command Reference Guide and to the 7450 ESS, 7750 SR, 7950 XRS, and VSR Clear, Monitor, Show, and Tools Command Reference Guide.