How to configure the E1-IMA interface of an AR router

The configuration method of the E1-IMA interface of an AR router is described as follows:
You can configure the attributes of the E1-IMA interface if you want to use a single E1-IMA link to bear ATM cells.
system-view
[Huawei] interface atm 2/0/0 //Enter the view of the E1-IMA interface.
[Huawei-Atm2/0/0] clock slave //Set the clock mode to master or slave. The default clock mode is slave
[Huawei-Atm2/0/0] frame-format no-crc4-adm//Set the frame format of the interface to CRC4-ADM or No-CRC4-ADM. The default frame format is NO-CRC4 ADM
[Huawei-Atm2/0/0] scramble //Enable the load scrambling function of the E1-IMA interface
[Huawei-Atm2/0/0] loopback { local | payload | remote } //Configure the loopback method of the E1-IMA interface. The loopback function is disabled by default. The local method indicates that the loopback is performed in the output direction of the device to test whether the local device works properly. The payload method indicates that the loopback is performed on the valid payload in the output direction of the device. The TS0 is not included in the loopback in general. The remote method indicates that the loopback is performed on the input data stream sent by the peer device to test whether the links between the test devices work properly.

Run the display interface atm [ interface-number ] command to check the configuration and status of the ATM interface.

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