The P-663Hn-51 Supports Five Types Of Network Protocol For Ip Over Ethernet As Wan Interface, What's The Difference Between Mer(Mac Encapsulation Routing) And Bridge; How Do I Know I Am Using Pppoe; Why Does My Provider Use Pppoe; What Is Ddns - ZyXEL Communications P-663HN-51 Support Notes

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P-663HN-51 Support Notes

6. The P-663HN-51 supports five types of network protocol for IP over

Ethernet as WAN interface, what's the difference between MER(MAC

Encapsulation Routing) and Bridge?

When the ISP limits some specific computers to access Internet, that means

only the traffic to/from these computers will be forwarded and the other will be

filtered. In this case, we use bridge mode which works as an ADSL modem to

connect to the ISP. The ISP will generally give one Internet account and limit

only one computer to access the Internet.

For most Internet users having multiple computers want to share an Internet

account for Internet access, they have to add another Internet sharing device,

like a router. In this case, we use the router mode which works as a general

Router plus an ADSL Modem.

PPPoE requires a user account to login to the provider's server. If you need to

configure a user name and password on your computer to connect to the ISP

you are probably using PPPoE. If you are simply connected to the Internet

when you turn on your computer, you probably are not. You can also check

your ISP or the information sheet given by the ISP. Please choose PPPoE as

the encapsulation type in the P-663HN-51 if the ISP uses PPPoE.

PPPoE emulates a familiar Dial-Up connection. It allows your ISP to provide

services using their existing network configuration over the broadband

connections. Besides, PPPoE supports a broad range of existing applications

and service including authentication, accounting, secure access and

configuration management.

The Dynamic DNS service allows you to alias a dynamic IP address to a static

hostname, allowing your computer to be more easily accessed from various

locations on the Internet. To use the service, you must first apply an account

from several free Web servers such as http://www.dyndns.org/.

Without DDNS, we always tell the users to use the WAN IP of the P-663HN-51

to reach our internal server. It is inconvenient for the users if this IP is dynamic.

With DDNS supported by the P-663HN-51, you apply a DNS name (e.g.,

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