Can I modify the authentication duration on S series switch

1

You cannot modify the user authentication duration on S series switches.

Other related questions:
Can ACLs in use be modified on S series switches
For an S series switch (except the S1700 switch): Before modifying rules in an ACL that is applied in the service module, delete the ACL from the service module.

Can I configure OSPF authentication on an interface of an S series switch
Two S series switches supporting OSPF can only use primary interface IP addresses to establish an OSPF adjacency relationship. If secondary interface IP addresses are added to the OSPF configuration, corresponding routes can be advertised.

How to configure an authentication-free rule for Portal authentication users on S series switch
For S series switches (except the S1700) running all versions, NAC can be configured in common mode. For switches running V200R005C00 and later versions, NAC can be configured in unified mode. For switches running V200R009C00, the configuration model of NAC unified mode changes. Query the appropriate product manual based on the switch model and version. The following links are for reference only. In NAC common mode, configure an authentication-free rule to allow all Portal authentication users to access the network segment 10.1.1.1/24 without authentication. [HUAWEI] portal free-rule 1 destination ip 10.1.1.1 mask 24 source ip any For details, see "NAC Configuration (Common Mode) - (Optional) Setting Access Control Parameters for Portal Authentication Users" in S2750&S5700&S6720 V200R008C00 Configuration Guide - User Access and Authentication. In NAC unified mode, configure an authentication-free rule to allow all NAC authentication users to access the network segment 10.1.1.1/24 without authentication. [HUAWEI] authentication free-rule 1 destination ip 10.1.1.1 mask 24 source ip any For details, see "NAC Configuration (Unified Mode) - (Optional) Configuring Authentication Free Rules to Assign Network Access Rights to Users" in S2750&S5700&S6720 V200R008C00 Configuration Guide - User Access and Authentication. In NAC unified mode, configure an authentication-free rule to allow all NAC authentication users to access the network segment 10.1.1.1/24 without authentication. [HUAWEI] free-rule-template name default_free_rule [HUAWEI-free-rule-default_free_rule] free-rule 1 destination ip 10.1.1.1 mask 24 source ip any For details, see "NAC Configuration (Unified Mode) - (Optional) Configuring Authorization Information for Authentication-free Users" in .

The method of S series switches to modify interface IP
S series switches (except S1700) delete or modify the interface IP address as follows: - To delete an IP address of an interface, you can execute the command in interface-view:undo ip address[ip-address{mask|mask-length}]�?e.g.�?[HUAWEI] interface Vlanif 100 [HUAWEI-Vlanif100] display this # interface Vlanif100 ip address 10.1.1.1 255.255.255.0 # [HUAWEI-Vlanif100] undo ip address [HUAWEI-Vlanif100] display this # interface Vlanif100 # - To modify an IP address or mask of an interface, you can execute the command again in interface-view:ip address[ip-address{mask|mask-length}]�?e.g.�?[HUAWEI] interface Vlanif 100 [HUAWEI-Vlanif100] display this # interface Vlanif100 ip address 10.1.1.1 255.255.255.0 # [HUAWEI-Vlanif100] ip address 10.2.1.1 255.255.0.0 [HUAWEI-Vlanif100] display this # interface Vlanif100 ip address 10.2.1.1 255.255.0.0 #

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