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118 CHAPTER 2: IMA-E1/T1 INTERFACE CONFIGURATION COMMANDS
Use the undo ima ima-group command to remove an interface from an IMA
group.
By default, no IMA group is created.
Before adding an ATM E1/T1 interface to an IMA group, you need to remove the
network layer service-related configurations of the interface. for example, the IP
address assigned to the interface by using the undo ip address command.
n
The first link in the IMA group is the primary link. You can remove it only when
you remove the IMA group.
Example # Add the link of ATM E1 interface 5/0 to IMA group 1.
<Sysname> system-view
[Sysname] interface atm 5/0
[Sysname-Atm5/0] ima ima-group 1
ima-clock
Syntax ima-clock { ctc [ link-number number ] | itc }
undo ima-clock
View IMA group interface view
Parameter ctc: Common transmit clock configuration. In this mode, all links in the IMA group
share the same clock source, which can be an external clock or the one extracted
from a member link.
link-number number: Number of the E1/T1 link that provides the clock source. It
ranges from 0 to 7.
itc: Independent transmit clock configuration. In this mode, the links in the IMA
group use at least two clock sources.
Description Use the
ima-clock command to configure the clock mode of the IMA group.
Use the undo ima-clock command to restore the default, that is, CTC.
When the IMA group adopts ITC mode, you must set the clock mode of each
member ATM E1/T1 link to slave with the clock slave command.
When the IMA group adopts CTC mode, you must set the clock mode of each
member ATM E1/T1 link to master with the clock master command.
Example # Set the clock mode to ITC on IMA group 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-clock itc