How to configure dual frequency

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Configure and optimize the RF based on the actual network environment so that the APs can have better capabilities of transmitting and receiving RF signals, improving the WLAN signal quality.
For detailed configurations, see the following:
V200R007
1. AC
CLI: Configuring a Radio
WEB: Radio Management
2. FAT AP
CLI: Configuring a Radio
WEB: Radio Management

V200R006
1. AC
CLI: Configuring a Radio
WEB: Radio Management (V200R006C10) and Radio Management (V200R006C20)
2. FAT AP
CLI: Configuring a Radio
WEB: Radio Management (V200R006C10), common APs Radio Management (V200R006C20), and central APs Radio Management (V200R006C20)

V200R005
AC: Configuring a Radio
FAT AP: Configuring a Radio

Other related questions:
Dual-frequency can be configured on the AR used as the AC
For details of V200R007 and earlier versions, see Example for Configuring Basic WLAN Services on a Small-Scale Network (AC Manages APs Through Layer 2 Interfaces). When configuring and delivering the VAP, bind the created radio profile to different frequency bands of the AP. For example: [AC-wlan-view] ap 0 radio 0 [AC-wlan-radio-0/0] radio-profile name radio [AC-wlan-radio-0/0] service-set name test [AC-wlan-radio-0/0] quit [AC-wlan-view] ap 0 radio 1 [AC-wlan-radio-0/1] radio-profile name radio [AC-wlan-radio-0/1] service-set name test [AC-wlan-radio-0/1] quit For details of V200R008 and later versions, see Example for Configuring WLAN Services on a Small-Scale Network (IPv4 Network).

Backup configuration of dual uplinks
The AR router has two uplinks. If the two uplinks use PPPoE dialup, routing is used to implement backup of the two uplinks. For example, there are two dialup interfaces: Dialer1 and Dialer2. You can configure priorities of static routes to distinguish the primary and backup uplinks. When PPPoE dialup fails, authentication fails, or an IP address fails to be obtained, the AR router needs to switch services to the backup route. The backup route takes effect only when Dialer1 becomes Down. The dialer interface is a virtual logical interface and is Snoofing Up. Even if PPPoE dialup fails, the dialer interface cannot become Down. The following configuration can be performed to solve this problem: [Huawei] acl 3000 //Create an ACL. [Huawei-acl-adv-3000] rule permit ip //Generally, all users are allowed. You can also limit user access according to actual networking. [Huawei-acl-adv-3000] quit [Huawei] interface dialer 1 //Create a dialer interface. [Huawei-Dialer1] link-protocol ppp [Huawei-Dialer1] ppp chap user 123456 //Configure the CHAP authentication user name. [Huawei-Dialer1] ppp chap password cipher huawei@123 //Configure the CHAP authentication password. [Huawei-Dialer1] ppp pap local-user 123456 password cipher huawei@123 //Configure the PAP authentication user name and password. [Huawei-Dialer1] ip address ppp-negotiate //Configure PPP negotiation for obtaining an IP address. [Huawei-Dialer1] dialer user user1 [Huawei-Dialer1] dialer bundle 1 //Specify dialer bundle 1. [Huawei-Dialer1] dialer number 1 autodial //The dialer interface becomes Down when PPPoE dialup fails. [Huawei-Dialer1] dialer-group 1 [Huawei-Dialer1] nat outbound 3000 //Configure outbound NAT. [Huawei-Dialer1] quit [Huawei] dialer-rule [Huawei-dialer-rule] dialer-rule 1 ip permit [Huawei-dialer-rule] quit [Huawei] interface gigabitethernet 0/0/0 //Enter the view of the interface connected to the ISP network. [Huawei-GigabitEthernet0/0/0] pppoe-client dial-bundle-number 1 //Enable the PPPoE client function and bind the PPPoE client to the dialer interface. [Huawei-GigabitEthernet0/0/0] quit [Huawei] ip route-static 0.0.0.0 0.0.0.0 dialer 1 preference 60 //Create the default route pointing to the dialer interface. When the primary uplink is normal, services are transmitted to the external network through dialer1 preferentially. [Huawei] ip route-static 0.0.0.0 0.0.0.0 dialer 2 preference 100 //When the primary uplink is abnormal, services

What is the working frequency of the TE20?
Working frequency: 50 Hz to 60 Hz

Configuration of dual-link uplink backup
AR routers have two uplinks. If the two links both use the PPPoE dial-up method, the route backup method can be used to back up the two links. For example, the AR router has two dial-up interfaces: Dialer 1 and Dialer 2, and the active link and backup link can be determined by configuring the priority of static routes. On field networks, when the PPPoE dial-up or authentication fails, or the IP address cannot be obtained, the router may need to automatically switch over to the backup route. However, the backup route takes over the active route only when the state of the Dialer1 interface changes to Down. In addition, a Dialer interface is a virtual logical interface, whose state is Snoofing Up. Therefore, the state of the Dialer1 interface cannot change to Down even if the PPPoE dial-up fails. A configuration scheme is described as follows to resolve this problem: [Huawei] acl 3000 //Create the ACL list for NAT. [Huawei-acl-adv-3000] rule permit ip //The list can be accessed by all users in general. The access can also be limited based on actual requirements. [Huawei-acl-adv-3000] quit [Huawei] interface dialer 1 //Create the virtual dial-up interface. [Huawei-Dialer1] link-protocol ppp [Huawei-Dialer1] ppp chap user 123456 //Username authenticated by CHAP [Huawei-Dialer1] ppp chap password cipher huawei@123 //Password authenticated by CHAP [Huawei-Dialer1] ppp pap local-user 123456 password cipher huawei@123 //Username and password authenticated by PAP [Huawei-Dialer1] ip address ppp-negotiate //Obtain the IP address by PPP negotiation. [Huawei-Dialer1] dialer user user1 [Huawei-Dialer1] dialer bundle 1 //Set the number of the Dialer bundle to 1. [Huawei-Dialer1] dialer number 1 autodial //This command is added to ensure that the state of the Dialer interface changes to Down when the PPPoE dial-up fails. [Huawei-Dialer1] dialer-group 1 [Huawei-Dialer1] nat outbound 3000 //NAT conversion list [Huawei-Dialer1] quit [Huawei] dialer-rule [Huawei-dialer-rule] dialer-rule 1 ip permit [Huawei-dialer-rule] quit [Huawei] interface gigabitethernet 0/0/0 //Enter the view of the interface connecting to the operator. [Huawei-GigabitEthernet0/0/0] pppoe-client dial-bundle-number 1 //Enable the PPPoE Client function and bind the PPPoE client to the created Dialer interface. [Huawei-GigabitEthernet0/0/0] quit [Huawei] ip route-static 0.0.0.0 0.0.0.0 dialer 1 preference 60 //Create the default route which directs to the Dialer1 interface, which indicates that when the active link is normal, the route to the external networks through the Dialer1 interface is used with higher priority. [Huawei] ip route-static 0.0.0.0 0.0.0.0 dialer 2 preference 100 //When the active link is abnormal and the dial-up fails, the active link automatically switches over to the backup link which connects to the external networks through the Dialer2 interface.

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