How to configure the AR router to obtain DNS address from the ISP provider?

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The configuration of the AR router to obtain the DNS address from the ISP provider is as follows.

[Huawei] interface dialer 0
[Huawei-Dialer0] PPP IPCP DNS admit-any //configure the router passively receive the address of the DNS server which was specified by other end

[Huawei-Dialer0] PPP IPCP DNS request //router active request to end the specified DNS server address

Other related questions:
How does the AR router obtain a DNS address from a carrier
The AR obtains the DNS address from a carrier as follows: [Huawei] interface dialer 0 [Huawei-Dialer0] ppp ipcp dns admit-any //Configure the AR to receive the DNS server address specified by the remote end. [Huawei-Dialer0] ppp ipcp dns request //Configure the AR to request the DNS server address specified by the remote end.

Configure multi-carrier access on an AR router
The roadmap of configuring multi-carrier access on an AR router is as follows: 1. If users need to be forwarded to different carriers for Internet access, configure policy-based routing to implement access. 2. If users do not need to be forwarded to different carriers for Internet access, configure equivalent static routing to implement load sharing or backup routing to implement active/standby backup. 3. You can also configure policy-based routing to redirect a part of users to specified carrier lines and enable the remaining users to access the Internet through the default route.

How are DNS and NetBIOS server addresses configured on an AR
The AR can automatically assign the DNS server IP address allocated by a carrier, DNS domain name suffix, and NetBIOS server address to a DHCP client. Perform the following configurations: - Interface-based [Huawei] interface gigabitethernet 1/0/0 [Huawei-GigabitEthernet1/0/0] dhcp select interface [Huawei-GigabitEthernet1/0/0] dhcp server import all //Enable the interface to automatically obtain the DNS and NetBIOS server addresses. - Global mode [Huawei] ip pool global [Huawei-ip-pool-global] import all //Enable the AR to automatically obtain the DNS and NetBIOS server addresses in the global address pool.

How to delete SNMP configuration on an AR router
Run an undo command corresponding to the SNMP feature to delete SNMP configuration from an AR router.

How to configure the AR router bought from the Internet
Huawei does not provide technical support for the devices bought from informal channels. Please contact suppliers.

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