R3303-HP 6600/HSR6600 Routers Interface Configuration Guide

36
Ste
p
Command Remarks
11. Set the line idle code type.
fe1 idlecode { 7e | ff }
Optional.
The default is 0x7E.
12. Set the interframe filling tag
type.
fe1 itf type { 7e | ff }
Optional.
The default is 0x7E.
13. Set the number of interframe
filling tags.
fe1 itf number number
Optional.
The default is 4.
14. Enable loopback and set the
loopback mode.
fe1 loopback { local | payload |
remote }
Optional.
Loopback is disabled by default.
15. Enable user data reversion.
fe1 data-coding { inverted |
normal }
Optional.
Disabled by default.
16. Set the intended bandwidth
for the E1-F interface.
bandwidth bandwidth-value Optional.
17. Shut down the E1-F interface.
shutdown
Optional.
An E1-F interface is up by default.
Configuring error packets diffusion restraint
Error packets diffusion occurs when the error packet received on one timeslot spreads to other timeslots.
You can suppress error packet diffusion by configuring three parameters: detection period (detect-timer),
renew-timer (renew-timer), and PER threshold (threshold).
If the packet error rate for the detection period exceeds the PER threshold, the interface automatically
shuts down to avoid the risk of error packets diffusion. At the same time, the renew timer starts. When the
timer expires, the interface automatically comes up.
To configure error packets diffusion restraint:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enable error packets diffusion
restraint.
error-diffusion restraint
enable
N/A
3. Configure error packets
diffusion restraint parameters.
error-diffusion restraint
config detect-timer
renew-timer threshold
Optional.
By default, the detect-timer is 30 seconds, the
renew-timer is 600 seconds, and the PER
threshold is 20%.
Displaying and maintaining E1-F interfaces
Task Command Remarks
Display the configuration and
status of a specified or all E1-F
interfaces.
display fe1 [ serial interface-number ] [ | { begin |
exclude | include } regular-expression ]
Available in any
view.