How do I delete the community name in ciphertext on an S series switch

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S series switches (except S1700) support deleting community names in ciphertext. The method is as follows:
Step 1: Query the community name in ciphertext.
[HUAWEI] display snmp-agent community
Community name:%^%#zvy$/Fpfs9pqOl'}(1"LgiAKQY\4DVfs~r'w-!s~wDe&LlFsJ4VUjk")m7<.IT!FQ5Bc%27w3BJWjMb7%^%#
Group name:%^%#zvy$/Fpfs9pqOl'}(1"LgiAKQY\4DVfs~r'w-!s~wDe&LlFsJ4VUjk")m7<.IT!FQ5Bc%27w3BJWjMb7%^%#
Storage-type: nonVolatile
Step 2: Delete the community name in ciphertext.
[HUAWEI] undo snmp-agent community %^%#zvy$/Fpfs9pqOl'}(1"LgiAKQY\4DVfs~r'w-!s~wDe&LlFsJ4VUjk")m7<.IT!FQ5Bc%27w3BJWjMb7%^%#

Other related questions:
How do I configure SNMP community name on S series switches
The snmp-agent community { read | write } community-name command can be used to configure community names on S series switches (except S1700). read indicates the read permission and write indicates the write permission. If the same community name is configured, the latter configuration overwrites the earlier community name. The following provides an example: [HUAWEI] snmp-agent community write community001 Community complexity check needs to be performed when SNMP community names are configured on S series switches (except S1700) in versions after V200R002. Community complexity requirements are as follows: 1. The community name must contain at least eight characters. The set password min-length command sets the value of minimum password length which must equal to or be larger than 8. 2. The community must be a combination of at least two of the following: uppercase letters A to Z, lowercase letters a to z, digits, and special characters (excluding question masks). You can use the snmp-agent community complexity-check disable command to disable community name complexity check on a switch. After community name complexity check is disabled, the value of community name length is an integer in the range 1 to 32. The configuration method is as follows: [HUAWEI] snmp-agent community complexity-check disable Note: If a configured community name does not meet complexity requirements, the system is prone to attacks including password cracking from malicious users, affecting system security. Therefore, it is recommended that community name complexity check be enabled.

How to view an SNMP community name on a CE series switch
You can run the display snmp-agent community command to view the configured SNMP community names in cipher text; however, the community names in plain text cannot be displayed.

How do I delete MAC address and ARP entries on S series switch
For S series switches (except S1700 switches), you can delete MAC address entries and ARP entries as follows: 1. Clear MAC address entries. In the system view, run the undo mac-address dynamic command to delete all dynamic MAC address entries. In the system view, run the undo mac-address static command to delete all static MAC address entries. 2. Clear ARP entries. In the user view, run the reset arp dynamic command to delete all dynamic ARP entries. In the system view, run the undo arp static ip-address command to delete all static ARP entries.

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