Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 1 DCC Configuration Commands
3Com Corporation
1-23
1.1.27 ppp callback
Syntax
ppp callback { client | server }
undo ppp callback { client | server }
View
Physical or dialer interface view
Parameter
client: As the client end, sends callback requests.
server: As the server end, accepts callback requests.
Description
Use the ppp callback command to enable an interface to send or accept PPP callback
requests.
Use the undo ppp callback command to disable the interface to send or accept PPP
callback requests.
By default, sending or receiving callback request is disabled.
The callback function can be used to save the communication cost for the calling party
in the case that the calling party pays the charge for calls.
Related command: ppp callback ntstring.
Example
# Enable accepting callback request on Serial0/0/0 interface.
[3Com -Serial0/0/0] ppp callback server
1.1.28 ppp callback ntstring
Syntax
ppp callback ntstring dial-number
undo ppp callback ntstring
View
Physical or dialer interface view
Parameter
dial-number: Dial number for a Windows NT server to call back the router.