R2511-HP MSR Router Series Interface Command Reference(V5)

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Default command level
2: System level
Parameters
group-interface-number: IMA group interface number.
Examples
# Enter IMA group interface 1 view.
<Sysname> system-view
[Sysname] interface atm 2/0
[Sysname-Atm2/0] ima ima-group 1
[Sysname-Atm2/0] quit
[Sysname] interface ima-group 2/1
[Sysname-Ima-group2/1]
loopback
Use loopback to enable a specific type of loopback testing on an ATM E1/T1 interface.
Use undo loopback to disable the loopback testing that is being performed.
Syntax
loopback { cell | local | payload | remote }
undo loopback
Default
No loopback testing is enabled.
Views
ATM E1 interface view, ATM T1 interface view
Default command level
2: System level
Parameters
cell: Enables internal cell loopback testing (to check physical chips on the local side).
local: Enables internal loopback testing (to check service chips on the local side).
payload: Enables external payload loopback testing (to check payload framing).
remote: Enables external line loopback testing (to check the remote end).
Examples
# Enable external payload loopback testing on ATM E1/T1 interface 1/0.
<Sysname> system-view
[Sysname] interface atm 1/0
[Sysname-Atm1/0] loopback payload
min-active-links
Use min-active-links to configure the minimum number of links required for the IMA group to work.
Use undo min-active-links to restore the default