Symantec 360R - Security Gateway SGS Administration Manual page 35

specify multiple DNS servers, they are used in sequence. For example, after the
first server is used, the next request is forwarded to the second server and so on.
If you have a static IP address with your ISP or are using the appliance behind
another security gateway device, select Static IP and DNS for your connection
type. You can specify your static IP address and the IP addresses of the DNS
servers you want to use for name resolution.
Before configuring the appliance to connect with your static IP account, gather
the following information:
Static IP, netmask, and default gateway addresses
■
Contact your ISP or IT department for this information.
DNS addresses
■
You must specify the IP address for at least one, and up to three, DNS
servers. Contact your ISP or IT department for this information. You do not
need DNS IP address entries for dynamic Internet accounts or accounts
where a DHCP server assigns the IP addresses.
If you have a static IP address with PPPoE, configure the appliance for
PPPoE.
To configure static IP
You must specify the static IP address and the IP address for the DNS that you
want to use. You must enter at least one DNS if you have a static IP account.
See "Static IP & DNS tab field descriptions"
To configure static IP
1 In the SGMI, in the left pane, click WAN/ISP.
2 In the right pane, on the Main Setup tab, under Connection Type, click
Static IP.
3 Click Save.
4 For model 320, do the following:
In the right pane, on the Static IP & DNS tab, under WAN IP, in the IP
■
Address text boxes, type the desired IP address of the external (WAN)
side of the Symantec Gateway Security 300 Series appliance.
In the Network Mask text box, type the network mask.
■
Change this only if your ISP requires it.
In the Default Gateway text box, type the default security gateway.
■
In the Domain Name Servers text boxes, type the IP address for at least
■
one, and up to three, domain name servers.
Click Save.
■
Configuring a connection to the outside network
Configuring connectivity
on page 165.
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