ZyXEL Communications MSC1000G Series, Руководство пользователя

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Chapter 23 diagnostic Commands
Management Switch Card User’s Guide
709
This command specifies the loopback testing mode on an E1 port.
Syntax:
diagnostic loopback e1 show < slot-port >
This command displays an E1 port’s physical loopback testing mode.
The following example performs an E1 line loopback test on port 1 of slot 2 and then displays the
loopback testing mode.
The following example stops the E1 line loopback test on port 1 of slot 2 and then displays the
loopback testing mode.
23.9 diagnostic loopback ima Commands
Use these commands to perform an IMA loopback test on an IMA group.
23.9.1 diagnostic loopback ima Commands
Syntax:
diagnostic loopback ima enable < slot-gid > < link-id > < pattern >
This command performs an IMA loopback test on the specified IMA group and link of the specified
slot. The link must be a member of the specified IMA group.
Syntax:
diagnostic loopback ima show < slot-gid >
This command displays the IMA loopback testing setting of the specified IMA group.
1
(Line LPBK) = return all physical or electrical signals received from the remote connected
device
2 (In-ward LPBK)
=
force all transmitted data to return to this port
3 (Payload LPBK)
=
return all data received from the remote connected device
ras> diagnostic loopback e1 set 2-1 1
ras> diagnostic loopback e1 show 2-1
slot-port E1 LPBK mode
--------- --------------
2- 1 Line LPBK
ras> diagnostic loopback e1 set 2-1 0
ras> diagnostic loopback e1 show 2-1
slot-port E1 LPBK mode
--------- --------------
2- 1 None LPBK