Draytek Vigor2000 User Manual page 51

Use both B channels for Internet access.
PPP Authentication: two types of authentication
- PAP Only
Set the PPP session to use the PAP protocol to negotiate
the username and password with the ISP.
- PAP or CHAP
Sets the PPP session to use the PAP or CHAP protocols
to negotiate the username and password with the ISP.
IP Address Assignment Method (ICPC)
Fixed IP and Fixed IP Address:
In most environments you should not change the default set-
tings as most ISPs provide a dynamic IP address for the router
when it connects to the ISP. If your ISP provides a fixed IP
address, check "Yes" and enter the assigned IP address in the
Fixed IP Address field.
Basic Setup & Internet Access
3-13