Are spaces allowed in the ESN of an AR router

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A space in an ESN of an AR router is an invalid character.

Other related questions:
Is a space in the ESN number of an AR router valid
A space in the ESN number of an AR router is invalid.

How to query the card SN on an AR router
The method of querying the card SN on an AR router is as follows: Run the display elabel command to query the BarCode field of the slot corresponding to the card.

Whether the AR router allows wireless signals to be enabled periodically
The AR router does not allow wireless signals to be enabled periodically.

Only a part of users are allowed to access the web pages of an AR router
You can configure ACL rules on an AR router to control web access permission. The configuration can be implemented using command lines or through the web NMS. 1. Command lines: For the sake of security, configure an ACL on the router to limit clients which can log in to the device in HTTPS mode if the device is used as an HTTPS server. [Huawei] acl 2000 //Set the ACL number of an HTTPS IPv4 server to 2000. [Huawei-acl-basic-2000] rule 5 permit source 10.1.1.1 0 [Huawei-acl-basic-2000] quit [Huawei] http acl 2000 //Configure an HTTP login limit. 2. Web NMS: For details, choose Web-based Configuration > Security > ACL.

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