What is the function of the domain configured on the WLAN-BSS interface of the AR router

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On the AR router, the dot1x authentication domain command is used on a WLAN-BSS interface to configure a domain.
- Authentication and accounting are performed for MAC address authentication users in the domain.
- For the WLAN authentication process that is not associated with NAC, accounting is performed in the domain.

Other related questions:
WLAN-ESS and WLAN-BSS interface
Differences between ESS and BSS - Basic service set (BSS) is the basic service unit of WLAN. Typically, BSS consists of one AP and several STAs. - Extended service set (ESS) is a group of BSSs that share the same SSID. ESS solves the limited coverage problem caused by BSS. In most cases, BSS is used on Fat APs, while ESS on ACs. For wireless air interfaces, the service VLAN is typically set to PVID and untag VLAN. For example: int {wlan-bss|wlan-ess} 0 port hybrid pvid 10 port hybrid untag vlan 10 To change information such as the VLAN and domain for a WLAN-ESS or WLAN-BSS interface, you must unbind the service set from the AP and then the WLAN-BSS and WLAN-ESS interfaces from the service set.

WLAN support on the AR router
Definition: A wireless local area network (WLAN) is a network that uses wireless channels such as radio waves, laser, and infrared rays to replace the transmission media used on a wired LAN.WLAN technology described in this document is implemented based on 802.11 standards. That is, a WLAN is a network that uses high-frequency signals (for example, 2.4 GHz or 5 GHz signals) as transmission media. 802.11 was originally a wireless LAN communications standard defined by the Institute of Electrical and Electronics Engineers (IEEE) in 1997. The IEEE then made amendments to the standard, forming the 802.11 family, including 802.11, 802.11a, 802.11b, 802.11e, 802.11g, 802.11i, and 802.11n. Purpose: Wired LANs use wired cables or optical fibers as transmission media, which are expensive and have fixed locations. As people have increasing requirements on network mobility, wired LANs cannot meet these requirements. WLAN technology is then developed. Currently, WLAN has become a cost-efficient network access mode. WLAN technology allows you to easily access a wireless network and move around within the coverage of the wireless network. Benefit: - High network mobility: WLANs can be connected easily, which is not limited by cable and port positions. WLANs especially apply to scenarios such as office buildings, airport halls, resorts, hotels, stadiums, and cafes. - Flexible network deployment: WLANs can provide wireless network coverage in places where cables are difficult to deploy, such as subways and highways. This solution reduces cables, offers ease of implementation at a low cost, and has high scalability. For details, see WLAN-AC Configuration Guide .

What is the function of the FXS interface of an AR router
The function of the FXS interface of an AR router is described as follows: The FXS interface is used to access the analog devices of users. It works as a physical connector which connects a digital telephone switching system and a user device, such as a POTS telephone or a fax machine.

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