How STAs select networks

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STAs can automatically select networks, and APs only guide this process. For example,
- Select 2.4 GHz and 5 GHz in dual-band signals.
- Select a network or AP to connect to when there are multiple wireless signals with different signal strengths.

Other related questions:
How to select the network scenario for IP phones
eSpace 7900 series IP phones support three network modes: UC1.1, UC2.0, and others. eSpace 8850 supports only UC1.1 and UC2.0 network modes. In UC1.1 mode, IP phones are connected to the U1900 gateway, and the SIP server address is set to the IP address of the U1900 gateway. UC2.0 mode matches the UC2.0 solution where the registration address is set to the IP address of the AA server. When the Others option is selected as the network mode, IP phones interwork with third-party softswitches.

Principles of DIS election on a broadcast network on an S series switch
Q: What are the principles of DIS election on a broadcast network? A: For S series switches supporting IS-IS, the IS where the interface with the highest Designated Intermediate System (DIS) priority resides is elected as the DIS on the same network segment. If interfaces have the same DIS priority, the IS where the interface with the largest MAC address resides is elected as the DIS. The DIS priority of an interfaces can be configured using the isis dis-priority priority-value command. A greater priority value indicates a higher priority.

Why does a STA fail to discover the SSID of an AP when the AP software version is correct and has correct WLAN configuration
1. The SSID hiding function is enabled using the ssid-hide command in the service set view. In this case, run the undo ssid-hide command in the service set view to disable the SSID hiding function. 2. When the device functions as an AC, you can run the display ap-run-info command to check whether the AP works properly.

How to select loop prevention protocols when creating a network
Select loop prevention protocols when creating a network based on the site requirements as follows: If network services have high performance requirements (for example, the fault convergence time must be at the millisecond level), select the SEP, RRPP, and SMLK protocols. Otherwise, select the STP protocol. If the network structure is a ring topology, select the SEP and RRPP protocols. If the network structure is a tree topology, select the STP protocol. If two uplink ports are used to transmit data, select the SMLK protocol. If the network must connect to other manufacturers, select the STP protocol. Otherwise, select the SEP protocol. The Smart Ethernet Protection (SEP) technology is developed by Huawei. The SEP supports topology viewing, multiple modes for selecting blocking points, millisecond-level fault convergence time. The SEP is recommended for new networks.

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