Nortel Networks 4050 Benutzerhandbuch

Chapter 10 Configuring system settings 479

Nortel Secure Network Access Switch 4050 User Guide

 

You can add up to three DNS servers to the system configuration. The DNS server 
is used by the captive portal when it forwards queries on the Exclude List. (For 
more information about the captive portal and the Exclude List, see 

.)

To configure the cluster to use external DNS servers, use the following command:

The DNS Servers menu displays.

The DNS Servers menu includes the following options:

followed by:

list

Lists the IP addresses of currently configured DNS 
servers, by index number.

del <index number>

Removes the specified DNS server from the system 
configuration. The index numbers of the remaining 
entries adjust accordingly.

To view the index numbers of all configured DNS 
servers, use the 

 command.

add <IPaddr> 

Adds a DNS server to the system configuration.

•

IPaddr

 — the IP address of the DNS server

The system automatically assigns the next available 
index number to the server.

You can add up to three DNS servers to the 
configuration.

insert <index number> 
<IPaddr>

Inserts a server at a particular position in the list of 
DNS servers in the configuration.

•

index number

 — the index number you want 

the server to have

•

IPaddr

 — the IP address of the DNS server you 

are adding

The index number you specify must be in use. The 
index numbers of existing servers with this index 
number and higher are incremented by 1.