
Chapter 6 Network
156 X Family LSM User’s Guide V 2.5.1
Obtain DNS Configuration from WAN Connection
STEP 1
From the LSM menu, select Network > DNS.
STEP 2
On the DNS page, select Use DNS configuration from WAN connection.
When this option is selected, the DNS server configuration returned from the ISP will be
used. Alternatively, the DNS servers can be explicitly set using the manual configuration
option.
STEP 3
Click Apply.
Default Gateway
If you have configured the External Interface to use a static IP address, then you must manually
configure the default gateway. The device uses the default IP gateway to route packets when it has no
other route to a given IP address.
Configure the Default Route
STEP 1
Go to Network > Configuration > Default Gateway.
STEP 2
On the Default Gateway page in the Manually configure Default Gateway field, type the IP
Address for the default gateway.
Enter the IP address of the next router on the WAN side of the device into the Default
Gateway field. Your ISP will provide you with this information.
Note If you have enabled and configured the DHCP server option for the device,
you can override the DNS settings returned to DHCP clients if necessary. For
details, see “
Configure DHCP Server” on page 169. If you do not override these
settings, DHCP clients will receive the DNS server settings used by the device
itself.
Note If you are using L2TP, PPTP, PPPoE, or DHCP, then the default route will be
automatically configured by your ISP and you cannot configure it yourself.
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