Name
backup — interface
Synopsis
backup interfaceinterface
no backup interfaceinterface
backup delay {enable-time
| never} {disable-time
| never} no backup delay {enable-time
| never} {disable-time
| never} backup load {enable-load
| never} {disable-load
| never} no backup load {enable-load
| never} {disable-load
| never}
Configures
A backup interface
Default
None
Description
This family of commands configures a backup interface for the current interface. The first command, backup interface
, specifies the interface
to be used as the backup. The backup interface is activated when the primary interface goes down or reaches the load specified by the backup load
command.
The backup delay
command specifies how long the router should wait before activating (enable-time
) or deactivating (disable-time
) the backup interface. Both enable-time
and disable-time
are in seconds. Use of the backup delay
command allows you to prevent routing instability if you have an intermittent interface. The keyword never
, when used for the enable-time
parameter, prevents the backup interface from being activated; when used for the disable-time
parameter, it prevents the backup interface from being deactivated once it has been activated.
The backup load
command specifies the load on the primary interface at which the backup interface should be activated (enable-load
) or deactivated (disable-load
). The load is expressed as a percentage of the primary interface’s maximum capacity. The keyword never
, when used for the ...
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