| Figure 2.9 |
|
|
Parameter | Description |
Speed | The send/upstream and receive/downstream speed of the WAN line the |
| WAN port is connected to. |
Connectivity check | You can key in an IP. The router will ping that IP to verify if the WAN |
| line can access the Internet. You also can select “Ping Default Gateway”, |
| and the router will check if the WAN line is ok by ping the default |
| gateway of the WAN port. |
Operation | If you select “Enable”, the WAN port will be activated when the system |
| boot up. If you select “Backup”, the WAN port is disabled on start up. |
| But when other enabled WAN ports fail, the backup WAN port will be |
| activated and take over all the traffic. |
2.2.8 DNS
A Domain Name System (DNS) server is like an index of IP addresses and Web addresses. If you type a Web address into your browser, such as www.router.com, a DNS server will find that name in its index and the matching IP address. Most ISPs provide a DNS server for speed and convenience. If your Service Provider connects you to the Internet with
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