Huawei AR1200 Series - Configuring NHRP on a Branch

Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Choose one of the following methods to configure routes passing through a tunnel interface:
l Run:
ip route-static ip-address { mask | mask-length } tunnel interface-number
[ description text ]
A static route is configured.
NOTE
A static route must be configured on both the source and destination devices.
l Configure dynamic routes. Dynamic routing can be implemented using OSPF, RIP, or BGP.
For the configuration of a dynamic routing protocol, see Huawei AR1200 Series
Configuration Guide - IP Routing.
NOTE
l If OSPF is configured, the OSPF network type of the tunnel interface must be broadcast.
l If RIP is configured, the split horizon function must be disabled on the tunnel interface.
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6.3.4 Configuring NHRP on a Branch
This section describes how to configure NHRP mapping entries on a branch device.
Context
NHRP allows a source device on a Non-Broadcast Multiple Access (NBMA) network to obtain
the public address of the next hop to the destination device. Perform the following operations
on the router of a branch.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface tunnel interface-number
The tunnel interface view is displayed.
Step 3 Run:
tunnel-protocol gre p2mp
The tunnel encryption mode is set to MGRE.
Step 4 Run:
nhrp entry protocol-address nbma-address [ register ]
An NHRP mapping entry is configured.
Huawei AR1200 Series Enterprise Routers
Configuration Guide - VPN 6 DSVPN Configuration
Issue 01 (2012-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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