Do ARs support cross-version upgrade

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Yes, ARs support cross-version upgrade.

Other related questions:
Check whether the AR routers support cross-version upgrade
AR routers support cross-version upgrade.

Which versions of AR routers support mirroring
Note: To detect faults and errors during communication, collecting or storing some individual communication information may be involved. Huawei will not collect or save user communication information independently. You must use this function in compliance with applicable laws and regulations. Ensure that your customers' privacy is protected when you are collecting or saving communication information. The device supports two types of mirroring functions: Port mirroring: The port mirroring function copies packets passing through a mirrored port and then sends them to a specified observing port for analysis and monitoring. In port mirroring, all the packets passing through the mirrored port are copied. Flow mirroring: The flow mirroring function copies the packets that match traffic classification rules passing through a mirrored port and then sends them to a specified port for analysis and monitoring. In flow mirroring, the mirrored port is configured with the traffic policy that defines flow mirroring. The packets that match traffic classification rules of the mirrored port are copied. Note: The device does not support the packet parsing function. You need to use the packet header obtaining software to interpret packets.

How to upgrade the AP version on an AC
Only Fit APs support version upgrade on the AC. Perform the following operations to upgrade a single AP on an AC: 1. Obtain the AP software package from Huawei official website, and upload it to the server. // In AC mode, upload the AP software package to an AC; in FTP or SFTP mode, upload the AP software package to an FTP or SFTP server. 2. Run the display ap all command on the AC to view information about the AP to be upgraded. 3. Run the ap-update load ap-id 1 update-filename FitAP6X10XN_V200R005C10.bin command in the WLAN view of the AC to upgrade the AP version. 4. Wait for the system to report the upgrade result. After the AP upgrade is complete, the upgrade result is displayed on the AC. 5. Run the ap-update reset ap-id 1 command in the WLAN view of the AC to reset the AP. For more information, see the upgrade guide in the appropriate version of a Fit AP model.

How to upgrade the AP version on the CLI
Perform the following operations to upgrade the AP version through the CLI: 1. Log in to an AP through the serial port or Telnet. 2. Run the display version command to check the AP version. 3. Run the save command to save the current configuration file of the AP, and back up the configuration file to a PC. 4. Save the upgrade software package in a server. 5. Run the upgrade version check command to verify the correctness of the upgrade assistant package. //For the AP8x30xN and AP9x30xN, you do not need to perform this operation. 6. Run the upgrade version ftp FatAP6X10XN_V200R005C10.bin 169.254.0.100 admin admin command to upgrade the AP. The system automatically restarts and implements the upgrade. For information on how to upgrade a Fat AP on the CLI, see the upgrade guide in the appropriate version of a Fat AP model. For information on how to upgrade a Fit AP on the CLI, see the upgrade guide in the appropriate version of a Fit AP model.

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