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Router A
GE 1/0/0
10.0.1.1/24
GE 2/0/0
10.0.0.1/24
GE 3/0/0
10.1.1.6/24
Loopback0
1.1.1.1/32
Loopback1
22.22.22.22/32
Router B
GE 1/0/0
10.0.1.2/24
GE 2/0/0
10.0.2.1/24
GE 3/0/0
10.1.1.7/24
Loopback0
2.2.2.2/32
Loopback1
88.88.88.88/32
Router C
GE 2/0/0
10.0.0.2/24
GE 2/0/1
10.0.2.2/24
Configuration Roadmap
The configuration roadmap is as follows:
1.
Configure basic user access functions and ensure that the two Routers have the same
configuration. For details, see
HUAWEI NetEngine80E/40E Router Configuration Guide
- User Access
.
2.
Establish a multi-system backup platform.
3.
Configure NAS parameters and the interval at which traffic is backed up or the traffic
threshold.
4.
Configure a protection path for returned network-side traffic.
5.
Bind an RBP to an interface from which users get online.
6.
Enable a routing protocol to trust UNR cost values.
Data Preparation
To complete the configuration, you need the following data:
l
VRRP ID
l
IP address of each interface on routers that back up each other
l
Backup ID, which works together with an RBS to identify an RBP to which users belong
Procedure
Step 1
Configure a multi-system backup platform. The configuration on Router A is used in this
example and is similar to that on Router B.
NOTE
In this example, only RUI-related settings are described.
# Configure BFD sessions named
bfd
and
bfd2
at the access side to rapidly detect faults in
interfaces or links of two VRRP backup groups and trigger a master/backup VRRP switchover
if a fault occurs. Set the peer IP addresses for BFD sessions to 10.0.1.2 (Router B's GE 1/0/0.2)
and 101.0.0.2 (Router B's GE 1/0/0.3).
HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
11 Multi-node Backup Configuration
Issue 02 (2014-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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