PLANET WGSW-52040 - Manual (Page 839)

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switch will sending a domain name search request packet to configured DNS server, the DNS server can be
configured no more than 6. The priority is the optional parameter, if priority is configured, the DNS server must be
organized according to the order of priority, from high to low. That is the switch sending domain name search request
to the server which have the biggest priority, so some DNS server with quick search speed and used frequently can
be configured to highest priority. If priority is not configured, to search DNS server must according to the
configuration order. When the switch serves as a DNS SERVER, the queries to the DNS SERVER won’t follow the
above privilege rule; instead, the requests will be sent to all configured servers at the same time
Example:
To configure the priority of DNS server as 200, the server’s address is 10.1.120.241.
Switch(config)# dns-server 10.1.120.241 priority 200
62.5 dns lookup
Command:
dns lookup {ipv4 | ipv6} <hostname>
Function:
To enable DNS dynamic domain name resolution.
Parameter:
{ipv4 | ipv6} means the IPv4 or IPv6 address look up, <hostname> is the resolute dynamic host name, less than 63
characters.
Command Mode:
Global Mode.
Default:
Disabled.
Usage Guide:
This command is used to look up correspond address based on entered client name, it can look up both IPv4 and
IPv6 address. This command only used for domain name mapping, it have no other application function. When
command is running, interrupt is forbidding. If configured many servers and domain name suffix, longer time will be
required for domain name mapping.
Example: