Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 1 DCC Configuration Commands
3Com Corporation
1-3
 Note:
To enable the B channel of ISDN interface (BRI or PRI) to configure its link layer
protocol dynamically in terms of the Dialer interface it belongs to, link layer protocol that
the interface uses should be specified as PPP.
Related command: dialer bundle.
Example
# Make Bri1/0/0 a member of dialer bundle1 and dialer bundle2, and assigns it a priority
of 50.
[3Com ] interface bri 1/0/0
[3Com -Bri1/0/0] dialer bundle-member 1 priority 50
[3Com -Bri1/0/0] dialer bundle-member 2 priority 50
1.1.4 dialer callback-center
Syntax
dialer callback-center [ user ] [ dial-number ]
undo dialer callback-center
View
Physical or dialer interface view
Parameter
user: Calls back according to the parameter user hostname configured in the dialer
route command.
dial-number: Calls back according to the parameter telephone-number configured in
the local-user callback-number command.
Description
Use the dialer callback-center command to enable the callback server function.
Use the undo dialer callback-center command to disable the callback server function
of a router.
By default, PPP callback server is not configured.
This command must be configured at the server end when PPP is used to implement
callback.
The parameter user indicates that DCC will call back according to the parameter
configured in the dialer route command. The parameter dial-number indicates that