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Configuring an interface to place calls
To configure an interface to place calls, enable DDR and configure dial strings.
When you configure an interface to place calls, follow these guidelines:
• To configure an interface to place calls to a single site, use the dialer number or dialer route
command to specify the dial string to reach the site. To configure an interface to place calls to
multiple sites, use the dialer route command multiple times to specify the dial strings to reach the
sites.
• You can configure multiple dial strings for a single destination for dial backup by using the dialer
route command. If a dial string fails to reach the destination, another dial string will be used.
• To configure one interface to place calls, you can perform the configuration on the physical
interface or through a dialer circular group. To configure multiple interfaces to place calls, you can
perform the configuration only through a dialer circular group.
To configure an interface to place calls directly on a physical interface:
Ste
Command
Remarks
1. Enter system view.
system-view N/A
2. Enter physical interface view.
interface interface-type
interface-number
N/A
3. Enable traditional DDR.
dialer circular enable
By default, traditional DDR is
disabled.
4. Configure a dial string.
• dialer number dial-number
• dialer route ip
next-hop-address [ mask
network-mask-length ]
[ vpn-instance
vpn-instance-name ]
dial-number [ broadcast ]
Use either command.
By default, no dial string is
configured.
To configure an interface to place calls through a dialer circular group:
Ste
Command
Remarks
1. Enter system view.
system-view N/A
2. Create a dialer interface and
enter its view.
interface dialer number N/A
3. Enable traditional DDR on the
interface.
dialer circular enable
By default, traditional DDR is
disabled on an interface.
4. Configure a dial string.
• dialer number dial-number
• dialer route ip
next-hop-address [ mask
network-mask-length ]
[ vpn-instance
vpn-instance-name ]
dial-number [ interface
interface-type
interface-number ] [ broadcast ]
Use either command.
By default, no dial string is
configured.
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