The dns server ipv6 source-ip command specifies a source IPv6 address to be used by an IPv6 DNS client for domain name resolution.
The undo dns server ipv6 source-ip command deletes the source IPv6 address used by an IPv6 DNS client for domain name resolution.
By default, no source IPv6 address is specified for an IPv6 DNS client for domain name resolution.
| Parameter | Description | Value |
|---|---|---|
| ipv6Addr |
Specifies a source IPv6 address to be used by an IPv6 DNS client for domain name resolution. |
The address is a 32-digit hexadecimal number, in the format of X:X:X:X:X:X:X:X. |
| vpn-instance vpn-name |
Specifies the VPN to be displayed. |
The value is a string of 1 to 31 case-sensitive characters, spaces not supported. In addition, the VPN instance name must not be _public_. When double quotation marks are used around the string, spaces are allowed in the string. |
Usage Scenario
When dynamic DNS is used, run the dns server ipv6 source-ip command to specify a source IPv6 address for an IPv6 DNS client. The client then uses this source IPv6 address to communicate with an IPv6 DNS server, which ensures security. The IPv6 DNS server then sends a response to the IPv6 DNS client through the route to the source IPv6 address. If no source IPv6 address is specified, an IPv6 DNS client selects a source address based on the destination address for each IPv6 DNS domain name resolution request.
Prerequisites
Before the dns server ipv6 source-ip command is run, perform the following operations:
1.Dynamic DNS has been enabled using the dns resolve command in the system view. 2.A DNS server address has been configured using the dns server ipv6 command in the system view.Follow-up Procedure
After the dns server ipv6 source-ip command is run, perform the following operations to implement dynamic DNS:
run the dns domain command to configure the domain name suffix.<HUAWEI> system-view [~HUAWEI] dns server ipv6 source-ip 2001:db8::1
<HUAWEI> system-view [~HUAWEI] dns server ipv6 source-ip 2001:db8::2