Configuring Error Packets Diffusion Restraint; Displaying And Maintaining Ct1/Pri Interfaces - 3Com MSR 50 Series Configuration Manual

114 C 4: WAN I
HAPTER NTERFACE
Configuring Error
Packets Diffusion
Restraint
n
Displaying and
Maintaining CT1/PRI
Interfaces
C
ONFIGURATION
Follow these steps to start/stop a BERT test on a CT1/PRI interface:
To do...
Enter system view
Enter CT1/PRI interface view
Start a BERT test
The support of this feature varies with device model. Refer to your specific device.
Error packet diffusion refers to the situation when one timeslot receives a certain
error packet, all the other timeslots are affected and also receive error packets.
You can restrain error packet diffusion by configuring three parameters:
detect-timer, renew-timer, and threshold, which function in the following way:
If, during the time specified by detect-timer, the ratio of error packets on an
interface is greater than that specified by threshold, the interface is regarded as
faulty and is shut down. After waiting for some time specified by renew-timer, the
interface is re-enabled.
Follow these steps to configure error packets diffusion restraint:
To do...
Enter system view
Enable error packets diffusion error-diffusion restraint
Configure the parameters of
error packets diffusion
restraint
Restart the channel that is
shut down for the sake of
error packets restraint
To do...
Display the operating state of
a CT1/PRI interface
Display the operating state of
a channel set or PRI set
Clear the controller counter for
a CE1/PRI interface
Use the command...
system-view
controller t1 number
bert pattern { 2^20 | 2^15 }
time minutes [ unframed ]
Use the command...
system-view
enable
error-diffusion restraint
config detect-timer
renew-timer threshold
error-diffusion restraint
restart-channel serial
interface-number:set-number
Use the command...
display controller t1
[ interface-number ]
display interface serial
interface-number:set-number
reset counters controller t1
interface-number
Remarks
--
Required
Required
Remarks
-
Required
Optional
By default, the values are 30
seconds for detect-timer, 600
seconds for renew-timer and
20% for the threshold.
Optional
Remarks
Available in any view
Available in any view
Available in user view