Billion 7800DX, Руководство пользователя

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Username:
Enter the account obtained from the ISP.
Password:
Enter the password obtained from the ISP.
Service Name:
The item is for identification purpose, user can define it yourselfe.
Authentication Method:
Default is
Auto
. Or else your ISP will advise you the appropriate mode.
Firewall:
Enable to drop all traffic from WAN side. If enabled, all incoming packets by default would
be dropped, and please turn to IP Filtering Incoming to add allowing rules.
NAT:
The NAT (Network Address Translation) feature allows multiple users to access the Internet
through a single IP account by sharing the single IP address. If users on your LAN have their own
public IP addresses to access the Internet, NAT function can be disabled. When enabled, a Fullcone
NAT parameter will appear, you can determine whether to enable Fullcone NAT. While only NAT
enabled, the default NAT type Port-Restricted cone NAT will be used.
Fullcone NAT:
Enable or disable fullcone NAT. Fullcone is a kind of NAT, in this mode, all requests
from the same internal IP address and port are mapped to the same external IP address and port.
Furthermore, any external host can send a packet to the internal host, by sending a packet to the
mapped external address.
Note:
In PPPoE connection, NAT is enabled by default, you can determine whether to enable
Fullcone NAT. and while you disable Fullcone NAT and only use NAT, the default NAT type is Port
Restricted or Port-Restricted cone NAT, the restriction includes port numbers. Specifically, an
external host can send a packet, with source IP address X and source port P, to the internal host
only if the internal host had previously sent a packet to IP address X and port P.
IPv4 Address:
Select whether to set static IPv4 address or obtain automatically.
IP Address:
If
Static
is enabled in the above field, enter the static IPv4 address get from the ISP.
Dial on demand:
It is a parameter to let users to dial for connection to internet themselves. It is
useful when saving internet fees.
Inactivity Timeout:
The set Inactivity timeout period, unit: minutes. It is combined use with Dial on
Demand, users should specify the concrete time interval for dial on demand.
IPv6 for this service:
Enable to use IPv6 service.
IPv6 Address:
Select whether to set static IPv6 address or obtain automatically.
IP Address:
If
Static
is enabled in the above field, enter the static IPv4 address.
MTU:
Maximum Transmission Unit, the size of the largest datagram (excluding media-specific
headers) that IP will attempt to send through the interface.
PPPoE with Pass-through:
Enable or disable PPPoE pass-through. If it is enabled, PCs behind the
router can dial itself.
IGMP Multicast Proxy:
Check whether to enable this feature. IGMP (
Internet Group Management
Protocol
) Proxy intercepts the IGMP request from Clients and set up the multicast-forwarding table,
it takes over some of the router’s job, simplifying the router’s job and multicast communication.
MLD Multicast Proxy:
check whether to enable this function. MLD (
Multicast Listener Discovery
Protocol) Proxy intercepts the MLD request from Clients a set up the multicast-forwarding table. it
takes over some of the router’s job, simplifying the router’s job and multicast communication.
Support MLDv1 and MLDv2.