HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Services Configuration G - Page 90

Configuration procedure, Configuring the IPv6 DNS client, Configuring static domain name resolution

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• An IPv4 name query is first sent to the DNS server IPv4 addresses. If no reply is received, it is sent to the DNS server IPv6 addresses. • You can specify domain name suffixes for the public network and up to 1024 VPNs, and specify a maximum of 16 domain name suffixes for the public network or each VPN. Configuration procedure To configure dynamic domain name resolution: Step 1. Enter system view. 2. Specify a DNS server IP address. Command system-view • Specify a DNS server IPv4 address: dns server ip-address [ vpn-instance vpn-instance-name ] • Specify a DNS server IPv6 address: ipv6 dns server ipv6-address [ interface-type interface-number ] [ vpn-instance vpn-instance-name ] 3. (Optional.) Configure a dns domain domain-name [ vpn-instance DNS suffix. vpn-instance-name ] Remarks N/A Use at least one command. By default, no DNS server IP address is specified. By default, no DNS suffix is configured and only the provided domain name is resolved. Configuring the IPv6 DNS client Configuring static domain name resolution Static domain name resolution allows applications such as Telnet to contact hosts by using host names instead of IPv6 addresses. Follow these guidelines when you configure static domain name resolution: • For the public network or a VPN, each host name maps to only one IPv6 address. The last configuration for a host name takes effect. • You can configure host name-to-IPv6 address mappings for the public network and up to 1024 VPNs, and configure a maximum of 1024 host name-to-IPv6 address mappings for the public network or each VPN. To configure static domain name resolution: Step 1. Enter system view. 2. Configure a mapping between a host name and an IPv6 address. Command Remarks system-view N/A ipv6 host host-name ipv6-address [ vpn-instance vpn-instance-name ] By default, no mapping between a host name and an IPv6 address is configured. 81

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81
•
An IPv4 name query is first sent to the DNS server IPv4 addresses. If no reply is received, it is sent
to the DNS server IPv6 addresses.
•
You can specify domain name suffixes for the public network and up to 1024 VPNs, and specify a
maximum of 16 domain name suffixes for the public network or each VPN.
Configuration procedure
To configure dynamic domain name resolution:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Specify a DNS server IP
address.
•
Specify a DNS server IPv4 address:
dns server
ip-address
[
vpn-instance
vpn-instance-name
]
•
Specify a DNS server IPv6 address:
ipv6 dns server
ipv6-address
[
interface-type
interface-number
]
[
vpn-instance
vpn-instance-name
]
Use at least one command.
By default, no DNS server IP
address is specified.
3.
(Optional.) Configure a
DNS suffix.
dns domain
domain-name
[
vpn-instance
vpn-instance-name
]
By default, no DNS suffix is
configured and only the
provided domain name is
resolved.
Configuring the IPv6 DNS client
Configuring static domain name resolution
Static domain name resolution allows applications such as Telnet to contact hosts by using host names
instead of IPv6 addresses.
Follow these guidelines when you configure static domain name resolution:
•
For the public network or a VPN, each host name maps to only one IPv6 address. The last
configuration for a host name takes effect.
•
You can configure host name-to-IPv6 address mappings for the public network and up to 1024
VPNs, and configure a maximum of 1024 host name-to-IPv6 address mappings for the public
network or each VPN.
To configure static domain name resolution:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Configure a mapping between
a host name and an IPv6
address.
ipv6 host
host-name ipv6-address
[
vpn-instance
vpn-instance-name
]
By default, no mapping between
a host name and an IPv6 address
is configured.