Why does a user fail to log in to a stack system of S series switches using the web system

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There are two reasons for a failed web system login after S series switches (S1700 excluded) set up a stack system:

1. A stack system of V200R001 or an earlier version does not support the web function. After a stack system is set up, the web function does not take effect and cannot be reconfigured.

2. A stack system of V200R001 or a later version supports the web function. If a standalone device is configured with the web function before joining in a stack system, but fails to become the master device, the web function does not take effect. In this case, you need to reconfigure the web function.

Other related questions:
Failed to log in to the web management system of the IAD
To rectify the fault when you fail to log in to the web management system of the IAD, perform the following steps: Step 1 Verify that the IP address is reachable and that there is no firewall between the PC and the IAD. Step 2 Ensure that the IAD version is V300R001C07 or later. In versions earlier than V300R001C07, web access is not supported excluding IAD 208E V300R001C03. Step 3 Run the system soft-parameter http-switch on command to enable web access. The IAD104H supports this command.

Can users who log in to S series switches using the web network management system be authorized through HWTACACS
Users who log in to S series switches using the web network management system cannot be authorized through HWTACACS. The switches support local and remote authentication and authorization for users who log in using the web system. However, the web system supports only two authorization levels: level-0 and non-level-0, which are controlled through local user authorization. If remote authorization is used, the web system cannot obtain the user authority from the local user MIB table and grants the default level-0 authority to the user. HWTACACS authorization fails.

Failed to log in to the U1960 web management system
The solution is as follows: 1. Ensure that the HTTP function of the U1960 is enabled. If not, run the config http switch on command to enable it. 2. Upload the following four files to the U1960 using TFTP: webfile, webrootcrt, websrvcrt, and websrvkey.

An AR router cannot be logged in to remotely in web mode
The AR router cannot be logged in to remotely in web mode because the login needs to cross a public network. If carrier-side devices are configured to filter HTTP access requests meant for interface 80, the web login fails. Run the http server port command to modify the interface number, whose value is 80 or any value in the range from 1025 to 51200. By default, the interface number of an HTTP server is 80. You are advised to change the interface number to a large value, for example, 1025, and avoid the value 80. # Set the interface number of the HTTP server to 1025. [Huawei] http server port 1025

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