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120 CHAPTER 2: IMA-E1/T1 INTERFACE CONFIGURATION COMMANDS
By default, IMA group interface test is disabled.
Note that:
■ If you do not specify the number argument, the ima-test command specifies
to test the link that is the first to be added to the IMA group interface.
■ If you do not specify the id argument when executing the ima-test command,
the default test mode (that is, 0xAA) is adopted.
■ You can use this command to test the connectivity of a link to the rest of the
IMA group by sending a test pattern over the link. This test mode is looped
over all the active links at the far end and back to the transmitter. To display the
connectivity test result, perform the display interface ima-group command.
n
E1/T1 links are bidirectional. This command tests only the connectivity of a link in
its transmit direction to the other links in the IMA group in their receive direction.
Example # Send test mode 0xAB over link 0 in IMA group interface 1.
<Sysname> system-view
[Sysname] interface atm 5/0
[Sysname-Atm5/0] ima ima-group 1
[Sysname-Atm5/0] interface ima-group 5/1
[Sysname-Ima-group5/1] ima-test link-number 0 pattern-id ab
interface ima-group
Syntax interface ima-group group-interfacenumber
View System view
Parameter group-interfacenumber: IMA group interface number.
Description Use the
interface ima-group command to enter IMA group interface view.
Example # Enter IMA group interface 1 view.
<Sysname> system-view
[Sysname] interface atm 5/0
[Sysname-Atm5/0] ima ima-group 1
[Sysname-Atm5/0] quit
[Sysname] interface ima-group 5/1
[Sysname-Ima-group5/1]
loopback
Syntax loopback { cell | local | payload | remote }
undo loopback
View ATM E1/T1 interface view