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C
4: C
HAPTER
ONFIGURING AND
Configuring and
Managing DNS
Enabling or Disabling
the DNS Client
Configuring DNS
Servers
M
IP I
ANAGING
NTERFACES AND
If a browser connects to a WX switch from behind a proxy, then only the
proxy IP address is shown. If multiple browsers connect using the same
proxy, the proxy address appears only once in the output.
You can configure a WX switch to use a Domain Name Service (DNS)
server to resolve hostnames into their IP addresses. This capability is
useful in cases where you specify a hostname instead of an IP address in a
command.
For example, as an alternative to the command ping 192.168.9.1, you
can enter the command ping chris.example.com. When you enter ping
chris.example.com, the WX switch's DNS client queries a DNS server for
the IP address that corresponds to the hostname chris.example.com, then
sends the ping request to that IP address.
The WX switch's DNS client is disabled by default. To configure DNS:
Enable the DNS client.
Specify the IP addresses of the DNS servers.
Configure a default domain name for DNS queries.
The DNS client is disabled by default. To enable or disable the DNS client,
use the following command:
set ip dns {enable | disable}
You can configure a WX switch to use one primary DNS server and up to
five secondary DNS servers to resolve DNS queries.
The WX switch always sends a request to the primary DNS server first.
The WX switch sends a request to a secondary DNS server only if the
primary DNS server does not respond.
Adding a DNS Server
To add a DNS server, use the following command:
set ip dns server ip-addr {primary | secondary}
Removing a DNS Server
To remove a DNS server, use the following command:
clear ip dns server ip-addr
S
ERVICES
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