3Com 10014299 Dial-on-Demand Routing, Configure CE1/PRI CE1/PRI interface configuration includes

CE1/PRI Interface 131

■ When the interface is used as a CE1 interface, all the timeslots except timeslot 0 can be divided into multiple channel sets at will, and each group can be used as an interface upon timeslot binding. Its logic feature is the same as that of a synchronous serial interface. It supports the data link layer protocols, such as PPP, Frame Relay, LAPB and X.25, and the network protocols such as IP and IPX.

■ When the interface is used as a PRI interface, timeslot 16 will be used as a D

	channel to transmit signaling. Therefore, only a group of timeslots except the
	timeslots 0 and 16 can be chosen as the B channels. These timeslots can be
	bound together with timeslot 16 to form a pri set to be used as an interface.
	The logic feature of this interface will be the same as that of an ISDN PRI
	interface. It will support the data link layer protocol PPP and network protocols,
	such as IP and IPX, and can be configured with parameters such as BDR
	(Dial-on-Demand Routing).
Configure CE1/PRI CE1/PRI interface configuration includes:
Interface	Enter the view for a specified interface
■

■Set the interface operating mode

■Bind the interface to be channel sets

■Bind the interface to be a pri set

■Set the line code format

■Set line clock

■Set frame format

■Enable/disable internal loopback/external loopback

1Enter the view for a specified interface

In system view, use the following command to enter the view of a specified CE1/PRI interface.

Table 125 Enter the view of a specified interface

Operation	Command
Enter the view of CE1/PRI interface	controller e1 number

2 Set the interface operating mode

CE1/PRI interface has two operating modes: E1 operating mode and CE1/PRI operating mode

Perform the following configurations in CE1/PRI interface view.

Table 126 Set the operating mode of CE1/PRI interface

Operation	Command
Set the CE1/PRI interface to operate in E1 mode	using	e1
Set the CE1/PRI interface to operate in CE1/PRI mode	using	ce1

By default, the CE1/PRI interface operates in CE1/PRI operating mode.

After enabling the CE1/PRI interface to operate in E1 mode using the using e1 command, the system will automatically create a serial interface numbered serial number:0. This interface owns the same logic feature as that of a synchronous serial interface, and can be treated as a synchronous serial interface for further configurations.

Perform the following configuration in all views.