Configuring other E1-F interface parameters

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enter E1-F interface view.

interface serial serial-number

N/A

3. Configure the interface description.

description text

By default, the description of an interface is interface-name Interface.

4. Set the line code format.

fe1 code { ami | hdb3 }

The default is HDB3.

5. Enable or disable user data inversion.

fe1 data-coding { inverted | normal }

By default, user data inversion is disabled.

6. Set the clock mode.

fe1 clock { master | slave }

The default is slave, which is line clock.

7. Enable automatic clock mode change.

clock-change auto

By default, automatic clock mode change is disabled.

8. Set the cable type.

fe1 cable { long | short }

By default, the cable type is long.

9. Set the CRC mode.

crc { 16 | 32 | none }

The default is 16-bit CRC.

10. Set the line idle code type.

fe1 idle-code { 7e | ff }

The default is 0x7E.

11. Set the type and the number of interframe filling tags.

fe1 itf { number number | type { 7e | ff } }

By default:

  • The type of the interframe filling tag is 0x7E.

  • The number of interframe filling tags is four.

12. Enable loopback and set the loopback mode.

fe1 loopback { local | payload | remote }

By default, loopback is disabled.

13. Set the MTU for the BRI interface.

mtu size

The default setting is 1500 bytes.

14. Set the keepalive interval.

timer-hold seconds

The default setting is 10 seconds.

15. Set the maximum number of keepalive attempts.

timer-hold retry retries

The default setting is 5.

The interface determines that the remote end is down if it does not receive a keepalive response after the maximum number of keepalive attempts have been made.

16. Set the intended bandwidth for the E1-F interface.

bandwidth bandwidth-value

By default, the expected bandwidth (in kbps) is the interface baud rate divided by 1000.

17. Restore the default settings for the E1-F interface.

default

N/A

18. Bring up the E1-F interface.

undo shutdown

By default, an E1-F interface is up.