Does Link Information in the CONFIGURE File of DFSClient Still Exist After an Upgrade

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CONFIGURE file xnfs_client.conf of DFSClient contains link information created by the customer. Whether the link information in the CONFIGURE file exists after an upgrade is determined by the command used to uninstall the directory before an upgrade. The following provides details:

On the Mac OS X client:
If unmount command sudo umount_xnfs /local_path of DFSClient is used, the information in CONFIGURE file xnfs_client.conf will be deleted. Information in the CONFIGURE file created by the customer will not be deleted.
If unmount command umount /local_path of the system is used, the information in CONFIGURE file xnfs_client.conf will not be deleted.
On the RHEL client: When either sudo umount_xnfs /local_path or umount /local_path is used, the information in CONFIGURE file xnfs_client.conf will be deleted. Information in the CONFIGURE file created by the customer will not be deleted.

Other related questions:
Does the VU switchboard still exist after the U1900 upgrade?
The VU switchboard still exists after the U1900 upgrade and the configuration is not affected by the upgrade. It is recommended that you save and back up the system configuration before the upgrade.

How to deny access of APs
For V200R005, to deny access of a specified AP, delete the AP or add it to the blacklist. Run the following commands on an AC: [HUAWEI]wlan [HUAWEI]undo ap id xx [HUAWEI]ap-blacklist mac x-x-x For V200R006, to deny access of a specified AP, delete the AP or add it to the blacklist. Run the following commands on an AC: Delete the AP with a specified name. [HUAWEI]wlan [HUAWEI]undo ap ap-name xx Delete the AP with an ID in a specified list. [HUAWEI]wlan [HUAWEI]undo ap ap-id xx Delete the AP with a specified MAC address. [HUAWEI]wlan [HUAWEI]undo ap ap-mac xx Delete APs in a specified AP group. [HUAWEI]wlan [HUAWEI]undo ap ap-group xx Delete all APs. [HUAWEI]wlan [HUAWEI]undo ap all Add a specified AP to the AP blacklist. [HUAWEI]ap-blacklist mac x-x-x

Can the configuration be still used after an AR router upgrade
The saved configuration continues to take effect after an AR router upgrade.

Do routes still exist after an interface becomes Down on an AR
Scenario: In PPPoE scenarios, if a physical interface of an AR becomes Down, while the dialer interfaces are still Up, do routes still exist?

Solution: Run the dialer number dial-number autodial command on a dialer interface to configure the interface to automatically initiate a dialup. If a physical interface is Down, the dialer interface cannot initiate a PPPoE dialup. As a result, the dialer interface becomes Down, and related routes do not exist.
<Huawei> system-view 
[Huawei]interface Dialer 0 
 [Huawei-Dialer0] dialer number 1234 autodial
Note:
1. In interface dialer x, x indicates the ID of the dialer interface for initiating a dialup.
2. In dialer number 1234 autodial,
1234 indicates the dialer number on an interface for calling the remote end, which can be any value.

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