3Com 3C13636 Configuration Manual page 1418

3Com Router 3000 Ethernet Family
Configuration Guide
When RS-DCC applies, you must configure authentication (including the dialer user
and PPP authentication configuration tasks) on both dialer interfaces and their physical
interface. That is because RS-DCC needs to conduct PPP negotiation first on the
physical interface and sends the agreed-upon peer username to DCC. Based on this
peer username, DCC decides which dialer interface is used and then sends its
configuration to PPP. PPP then starts IP control protocol (IPCP) negotiation with the
configuration of the dialer interface.
RS-DCC configuration includes to:
Enable RS-DCC
Configure the dialer interface and dialer number
Create dialer bundle and assigning physical interfaces to it
Configure dialing authentication for RS-DCC
I. Enabling RS-DCC
Before enabling the RS-DCC, please use the command undo dialer enable-circular
to disable C-DCC first, then enable the RS-DCC by using the dialer bundle command.
Perform the following configuration in dialer interface view.
Table 1-10 Enable RS-DCC
Disable C-DCC
Enable RS-DCC and specify the user name
configure the dialer bundle used by Dialer
interface
Disable RS-DCC and delete the dialer bundle
By default, RS-DCC is disabled and no dialer bundle is created.
II. Configuring the dialer interface and dialer number
Since the attributes of the physical interface may be changed by the dialer number, the
DCC parameters should be configured on the dialer interface. Furthermore, only the
dialer number command can be used to configure the dialer numbers for calling the
remote ends.
Use the interface dialer command to create a dialer interface in system view, and then
perform other configurations in dialer interface view.
Operation
3Com Corporation
1-17
Chapter 1 DCC Configuration
Command
undo dialer enable-circular
dialer user username
dialer bundle number
undo dialer bundle