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.

Other related questions:
What is the function of the domain configured on the WLAN-BSS interface of the AR router
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.

What are the ESS, BSS, and SSID
SSID: service set identifier. ESS: extended service set, a group of all SATs in the same logical management domain. An ESS may contain multiple BSSs. BSS: basic service set, an area covered by an AP. Each BSS is identified by a BSSID. The simplest WLAN contains only one BSS, and all STAs are in the BSS. To enable the STAs to communicate, disable STA isolation.

Can the Portal configuration on WLAN-ESS interfaces be modified in batches on the AC
No. ACs and Fat APs do not support this function.

Configuring access interfaces on WLAN devices
The following example describes how to configure an access interface on a WLAN device: An access interface can connect to a user host. [HUAWEI]vlan batch 2 //Create a VLAN. [HUAWEI]interface gigabitethernet0/0/1 [HUAWEI-GigabitEthernet0/0/1]port link-type access //Set the interface type to access. [HUAWEI-GigabitEthernet0/0/1]port default vlan 2 //Add the interface to VLAN 2. [HUAWEI-GigabitEthernet0/0/1]quit

Configuring a trunk interface on a WLAN device
The following example describes how to configure a trunk interface on an AC: A trunk interface connects an AC to a switch. [HUAWEI]vlan batch 2 3 //Create VLANs. [HUAWEI]interface gigabitethernet 0/0/1 [HUAWEI-GigabitEthernet0/0/1]port link-type trunk //Set the link type of the interface to trunk. The link type of the interface is hybrid by default. [HUAWEI-GigabitEthernet0/0/1]port trunk allow-pass vlan all //Allow packets from all VLANs to pass through. By default, the interface allows only packets from VLAN 1 to pass through. [HUAWEI-GigabitEthernet0/0/1]port trunk pvid vlan 2 //(Optional) Specify VLAN 2 as the default VLAN of the interface (default: VLAN 1).

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