Example For Configuring Adsl Link Backup In Interface Backup Mode On A 3G Network (C-Dcc) - Huawei AR2200-S Series Configuration Manual

Huawei AR2200-S Series Enterprise Routers
Configuration Guide - Reliability
#
return
# Configuration file of RouterB
#
sysname RouterB
#
controller E1 1/0/0
pri-set
#
controller E1 2/0/0
pri-set
#
interface Dialer0
link-protocol ppp
ip address 20.1.1.2 255.255.255.0
dialer enable-circular
dialer-group 2
dialer route ip 20.1.1.1 broadcast 660220
#
interface Serial1/0/0:15
link-protocol ppp
dialer circular-group 0
#
interface Serial2/0/0:15
link-protocol ppp
dialer circular-group 0
#
dialer-rule
dialer-rule 2 ip permit
#
rip 1
network 20.0.0.0
import-route direct
#
return
1.6.4 Example for Configuring ADSL Link Backup in Interface
Backup Mode on a 3G Network (C-DCC)
This section describes how to configure ADSL link backup in interface backup mode on a 3G
network.
Networking Requirements
As shown in
an IP network using an ADSL interface in normal situations. However, if the ADSL interface
is faulty, enterprise users cannot connect to the IP network. To prevent this fault, the enterprise
uses the backup interface (a 3G interface in
up the enterprise's outbound interface improves line reliability.
Issue 01 (2012-01-06)
Figure 1-10, RouterA is an egress gateway of an enterprise. RouterA connects to
NOTE
Figure 1-10 shows only the access-side networking. Deploy devices on the aggregation and core networks
according to site requirements.
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Copyright © Huawei Technologies Co., Ltd.
1 Interface Backup Configuration
Figure 1-10) to connect to the IP network. Backing
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