Example For Associating Interface Backup With Bfd To Configure An Adsl Interface As The Backup Of An Ethernet Interface - Huawei AR530 Series Configuration Manual

Huawei AR530&AR550 Series Industrial Switch Routers
Configuration Guide - Reliability
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2.7.8 Example for Associating Interface Backup with BFD to
Configure an ADSL Interface as the Backup of an Ethernet Interface
Networking Requirements
As shown in
to the Internet through GE1/0/0. The link between GE1/0/0 and the Internet is used as the primary
link, and the link between ATM0/0/0 (ADSL interface) and the Internet is used as the backup
link.
Devices are required to monitor the primary link status within 50 ms. When the primary link is
faulty, the backup link is started to transmit services to reduce the impact of the primary link
fault on service transmission.
Issue 01 (2014-11-30)
ip route-static 5.1.1.0 255.255.255.0 Dialer1
#
nqa test-instance user test
test-type icmp
destination-address ipv4 4.1.1.2
frequency 10
#
return
Configuration file of RouterB
#
sysname RouterB
#
interface GigabitEthernet1/0/0
undo portswitch
ip address 4.1.1.2 255.255.255.0
#
ip route-static 2.1.1.0 255.255.255.0 4.1.1.1 preference 80
ip route-static 3.1.1.0 255.255.255.0 Dialer1
#
return
Configuration file of RouterC
#
sysname RouterC
#
interface GigabitEthernet1/0/0
undo portswitch
ip address 2.1.1.2 255.255.255.0
#
return
Configuration file of RouterD
#
sysname RouterD
#
interface GigabitEthernet1/0/0
undo portswitch
ip address 4.1.1.1 255.255.255.0
#
return
Figure 2-18, the egress gateway RouterA in the headquarters of company connects
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2 Interface Backup Configuration
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