dialer rotary-group number
no dialer rotary-group number
Number of the previously defined dialer interface in whose rotary group this interface is to be included. This is a number from 0 to 255. The dialer interface is defined by the interface dialer command.
To include a specified interface in a dialer rotary group, use the dialer rotary-group interface configuration command.
Dialer rotary groups allow you to apply a single interface configuration to a set of physical interfaces. This allows a group of interfaces to be used as a pool of interfaces for calling many destinations.
Once the interface configuration is propagated to a set of interfaces, those interfaces can be used to place calls using the standard DDR criteria. When multiple destinations are configured, any of these interfaces can be used for outgoing calls.
Dialer rotary groups are useful in environments that require multiple calling destinations. Only the rotary group needs to be configured with the dialer map commands. The only configuration required for the interfaces is the dialer rotary-group command indicating that each interface is part of a dialer rotary group.
Although a dialer rotary group is configured as an interface, it is not a physical interface. Instead, it represents a group of interfaces. Interface configuration commands entered after the interface dialer command will be applied to all physical interfaces assigned to specified rotary groups. Individual interfaces in a dialer rotary group do not have individual addresses. The dialer interface has a protocol address, and that address is used by all interfaces in the dialer rotary group.
The following example identifies interface dialer 1 as the dialer rotary group leader. Interface dialer 1 is not a physical interface, but represents a group of interfaces. The interface configuration commands that follow apply to all interfaces included in this group. The first dialer map command allows the central site and remote site YYY to call each other and allows the central site to authenticate site YYY when it calls in. The second dialer map command, with no dialer string, allows the central site to authenticate remote site ZZZ when it calls in, but the central site cannot call remote site ZZZ (no phone number).Router(config)#interface dialer 1 Router(config-if)#encapsulation ppp Router(config-if)#authentication chap Router(config-if)#dialer in-band Router(config-if)#ip address 188.8.131.52Router(config-if)#dialer map ip 184.108.40.206 name YYY 14155553434 Router(config-if)#dialer map ip 220.127.116.11 name ZZZRouter(config)#interface bri 0Router(config-if)#dialer rotary-group 1Router(config)#interface bri 1Router(config-if)#interface rotary-group 1
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