Step 5 (Optional) Run:
nhrp authentication string
The NHRP authentication string is configured.
By default, no NHRP authentication string is configured.
Step 6 (Optional) Run:
nhrp registration interval seconds
The NHRP registration interval is configured.
By default, a branch device registers with the central office device at an interval of 1800 seconds.
Step 7 (Optional) Run:
nhrp entry holdtime seconds seconds
The holding time of NHRP entries is configured.
By default, the holding time of NHRP entries is 7200 seconds.
Step 8 Run:
nhrp shortcut
The NHRP shortcut function is enabled.
By default, the NHRP shortcut function is disabled.
NOTE
This step is required when branches have only summarized routes to the central office.
----End
6.3.5 Configuring NHRP on the Central Office
This section describes how to configure NHRP mapping entries on the central office 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 the central office.
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.
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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