D-Link DI-1750 Reference Manual page 449

Will you excute it? (Y/N):y
11.1.3 Interface backup configuration example
This section provide the PPP configuration example as below:
Launch interface backup function on serial1/0 interface,choosing serial1/1 as backup interface.the time
of backup interface activate delay and disactivate delay are both 5s.when the primary interface actual
flow exceeds 60% bandwidth,flow equilibrium will activate backup interface,otherwise when both
interfaces actual flow lower than 30% bandwidth, flow equilibrium will disactivate backup interface.
configure router
interface s1/0
backup interface int s1/1
backup delay 5 5
backup load 70 30
When the primary interface is down,the dialer backup interface will be on connecting.
If primary interface choosing normal dialer interface as backup,when the primary interface protocol is
down and the backup interface is not needed to send data,backup dialer interface will not dial
automatically until sending data.if this command is set,no matter whether there is data need to
transfer,the backup interface will setup dial connection immediately based on the primary interface
protocol is down.(applied to connection slow setup normal dialer interface as backup)
launch flow equilibrium backup,execute below tasks:
(1) Choosing backup interface.
(2) Once the primary interface protocol is down,the backup interface will dial at once on this
interface.
first step,choosing backup interface.execute below command under interface configuration.
backup interface slot/port
[DEFAULT@Router /config/]# interface
Key Word:
U(undo) D(default) Q(quit)
(00)FastEthernet
(01)Ethernet
(02)Serial
(03)Async
......
Please Input the code of command to be excute(0-10): 0
Note：Input interface needs to configure backup here,for example Fast Ethernet.
Please input a interface name:f0/0
Note：Input interface name here,for example f0/0.
Will you excute it? (Y/N):y
Key Word:
Q(quit)
(00)arp set arp timeout
(01)backup Modify backup parameters
(02)bandwidth Set the interface bandwidth
......
Please Input the code of command to be excute(0-35): 1 (select backup)
Key Word:
U(undo) D(default) Q(quit)
(00)delay Delays before backup line up or down transitions
(01)interface Configure an interface as a backup
Command
FastEthernet interface
Ethernet interface
Serial interface
Asynchronous interface
Model Name
select the backup interface
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