Cabletron Systems 6A000 ユーザーズマニュアル

SmartCell 6A000 User Guide   4-11

Switch Administration

PVC Connections  

Use the 

 command to view a list of the currently logged alarms. For example, 

SmartCell ZX # show alarms

Index(ALL)                                :

0  000:00:31:164

---------------------------------------------------

LECS Operational

---------------------------------------------------

Failed to re-establish SAAL connection

Port ID 0x0000000b

T309    10000

1  043:15:56:718

---------------------------------------------------

Failed to re-establish SAAL connection

Port ID 0x0000000b

T309    10000

2  043:29:55:392

More(<space>/q)?:

Alarms are displayed in the following format:

Alarm number — The index number of the alarm in the circular buffer

Alarm ID — A unique ID assigned to the alarm

Time — Time of alarm, in switch up-time in hours, minutes, seconds, and milliseconds

Object — The object affected by the alarm (port, LEC, and so on)

Description — Brief message describing the alarm

Alarm messages can be automatically displayed on the SmartCell 6A000 console. Use the 

 

command to display alarms on the console as they occur:

SmartCell ZX # set alarmdisplay

alarmDisplay(OFF)                         : on

SmartCell ZX #

4.4.3

Deleting Events and Alarms

To delete events or alarms currently logged within your SmartCell 6A000, use the 

 and 

 

commands, respectively.

4.5

 PVC CONNECTIONS

The SmartCell 6A000 supports Permanent Virtual Circuits (PVCs), both point-to-point and point-to-multipoint. Use 
PVCs to connect devices (that do not support SVCs) to a switch’s local client. Also, use PVCs to make connections 
through the SmartCell 6A000 between devices that support only PVCs.

Use point-to-point PVCs to connect one end node to another for two-way communication. Use point-to-multipoint 
PVCs to connect a broadcast end node to a group of receiving end nodes; traffic is one way.

PVCs use traffic descriptors to define their traffic characteristics. If you are 
unfamiliar with traffic descriptors, see Section 4.6.1, “Traffic Descriptors.”