HP MSR2000/3000/4000 Router Series Interface Configuration Guide

24
When an E1-F interface is operating in unframed mode, it is a non-timeslot interface with 2048 kbps of
data bandwidth. It is logically equivalent to a synchronous serial interface where you can configure PPP,
HDLC, FR, LAPB or X.25 at the link layer and IP at the network layer.
When an E1-F interface is operating in framed mode, it is physically divided into 32 timeslots numbered
0 through 31. Except timeslot 0 used for transmitting synchronization information, all other timeslots can
randomly form one channel set. The rate of the interface is n × 64 kbps and its logical features are the
same as those of a synchronous serial interface where you can configure PPP, FR, LAPB and X.25 at the
data link layer and IP or IPX at the network layer.
Configuration procedure (in framed mode)
To configure an E1-F interface in framed mode:
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter E1-F interface view.
interface serial interface-number N/A
3. Configure the interface to
operate in framed mode.
undo fe1 unframed The default is framed mode.
4. Bundle timeslots on the
interface.
fe1 timeslot-list range
By default, if no timeslot range is
specified, all timeslots are
bundled.
5. Set the framing format.
fe1 frame-format { crc4 | no-crc4 } The default is no-CRC4.
6. (Optional.) Enable RAI
detection on the interface.
fe1 alarm detect rai
By default, RAI detection is
enabled on the interface.
7. (Optional.) Set other interface
parameters.
See "Configuring other E1-F
interface parameters."
N/A
Configuration procedure (in unframed mode)
To configure an E1-F interface in unframed mode:
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter E1-F interface view.
interface serial interface-number N/A
3. Configure the interface to
operate in unframed mode.
fe1 unframed The default is framed mode.
4. (Optional.) Perform AIS test.
fe1 detect-ais By default, AIS test is performed.
5. (Optional.) Set other interface
parameters.
See "Configuring other E1-F
interface parameters."
N/A