Configuring Multi-Role Host; Configuration Prerequisites; Configuring Policy Routing; Applying Policy Routing - 3Com MSR 50 Series Configuration Manual

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Table of Contents

Multi-Role Host

Configuration

Prerequisites

Configuring Policy

Configuring a Static

Configuration

Prerequisites

To allow a CE to access multiple VPNs at the same time, you need to configure the

multi-role host feature on the PE.

All configurations for the multi-role host feature are on the PE to which the CEs

are attached.

For configuration and commands about policy routing, refer to

Routing Configuration" on page

Before configuring the multi-role host feature, complete these tasks:

Creating VPN instances for the VPNs

Configuring basic MPLS L3VPN

Follow these steps to configure policy routing:

Enter system view

Create a policy node and

enter policy routing view

Specify the VPN instances for

forwarding packets

Follow these steps to apply policy routing:

Enter system view

Enter interface view for the

interface connected with CEs

Apply policy routing on the

Configure static routes between PEs and CEs. For detailed configuration steps,

"Configuring Route Advertisement between PE and CE" on page

You can configure a private network static route on a PE, specifying the egress of

another private network or public network as the egress of the static route. Thus,

packets from the multi-role host for accessing a certain VPN can return based on

the routing table that does not belong to the VPN.

For hierarchical VPNs, you can adopt HoVPN to reduce the performance

requirements for PEs.

Before configuring HoVPN, complete these tasks:

Configuring basic MPLS L3VPN

Follow these steps to configure HoVPN: