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Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
72
Idle Timeout:
Auto-disconnect the router when there is no activity on the line for a predetermined period
of time.
MTU:
Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers)
that IP will attempt to send through the interface.
RIP:
RIP v1, RIP v2, and RIP v2 Multicast. Check to enable RIP function.
TCP MSS Clamp:
This option helps to discover the optimal MTU size automatically. Default is enabled.
Obtain DNS:
A Domain Name System (DNS) contains a mapping table for domain name and IP
addresses. DNS helps to find the IP address for the specific domain name. Check the checkbox to obtain
DNS automatically.
Primary DNS:
Enter the primary DNS.
Secondary DNS:
Enter the secondary DNS.
Default Route:
Check to enable default route.
Multiple Session Second Session / Multiple Session Third Session / Multiple Session Forth
Session:
Check Enable to activate the second/third/forth session.
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Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
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EWAN
Obtain an IP Address Automatically
When connecting to the ISP, This router also functions as a DHCP client. It can automatically obtain an IP
address, netmask, gateway address, and DNS server addresses if the ISP assigns this information via
DHCP.
Profile Port:
Select the profile port as EWAN.
WAN Port:
the router offers its Ethernet port 1 as a WAN port to be used to connect to Cable Modems
and fiber optic lines.
Protocol:
Select
Obtain an IP Address Automatically
.
NAT:
The NAT (Network Address Translation) feature allows multiple users to access the Internet through a
single IP account, sharing the single IP address. If PCs in LAN should share the WAN IP for WAN access,
please enable NAT. If users on your LAN have public IP addresses and can access the Internet directly, the
NAT function can be disabled.
MAC Spoofing:
Some service providers require the configuring of this option. You must fill in the MAC
address that specify by service provider when it is required. Default is disabled.
Obtain DNS:
Select Automatic to use DNS.
Primary DNS/ Secondary DNS:
Enter the IP addresses of the DNS servers.
The DNS servers are passed to the DHCP clients along with the IP address and the subnet mask.
IPv6:
check to enable IPv6 service. Enter IPv6 Gateway address and set IPv6 DNS as same in IPv4
mode.
Gateway:
type the gateway address to which WAN packets are forwarded.
Obtain IPv6 DNS:
check
Automatic
to obtain DNS automatically.
If not, please type the concrete ones
in the Primary and Secondary fields.
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Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
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Fixed IP Address
Select this option to set static IP information. You will need to enter in the Connection type, IP address,
netmask, and gateway address, provided to you by your ISP. Each IP address entered in the fields must
be in the appropriate IP form, which is four IP octets separated by a dot (x.x.x.x). The Router will not
accept the IP address if it is not in this format.
Profile Port:
Select the profile port as EWAN.
WAN Port:
the router offers its Ethernet port 1 as a WAN port to be used to connect to Cable Modems
and fiber optic lines.
Protocol:
Select
Fixed IP Address
.
IP:
Your WAN IP address. Leave this at 0.0.0.0 to automatically obtain an IP address from your ISP.
Netmask:
The default is 0.0.0.0. User can change it to other such as 255.255.255.0.Type the netmask
assigned to you by your ISP (if given).
Gateway:
You must specify a gateway IP address (supplied by your ISP).
NAT:
The NAT (Network Address Translation) feature allows multiple users to access the Internet through a
single IP account, sharing the single IP address. If PCs in LAN should share the WAN IP for WAN access,
please enable NAT. If users on your LAN have public IP addresses and can access the Internet directly, the
NAT function can be disabled.
MAC Spoofing:
Some service providers require the configuring of this option. You must fill in the MAC
address that specify by service provider when it is required. Default is disabled.
Obtain DNS:
Select Automatic to use DNS.
Primary DNS/ Secondary DNS:
Enter the IP addresses of the DNS servers. The DNS servers are
passed to the DHCP clients along with the IP address and the subnet mask.
IPv6:
check to enable IPv6 service. Enter IPv6 Gateway address and set IPv6 DNS as same in IPv4
mode.
IP/Prefix Length:
Please specify the IP and the prefix length for the IPv6 address from your ISP.
Gateway:
Type the gateway to which the WAN packets are forwarded.
Obtain IPv6 DNS:
check
Automatic
to obtain DNS automatically.
If not, please type the concrete ones
in the Primary and Secondary fields.
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Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
75
PPPoE
PPPoE (PPP over Ethernet) provides access control in a manner which is similar to dial-up services
using PPP.
Profile Port:
Select the profile port
as
EWAN
.
Username:
Enter the username provided by your ISP. You can input up to 128 alphanumeric characters
(case sensitive). This is in the format of “username@ispname” instead of simply “username”.
Password:
Enter the password provided by your ISP. You can input up to 128 alphanumeric characters
(case sensitive).
Service Name:
Enter a name for this connection.
IP:
Your WAN IP address. Leave this at 0.0.0.0 to automatically obtain an IP address from your ISP.
Connection:
Always on:
If you want the router to establish a PPPoE session when starting up and to
automatically re-establish the PPPoE session when disconnected by the ISP.
Connect on Demand:
If you want to establish a PPPoE session only when there is a packet
requesting access to the Internet (i.e. when a program on your computer attempts to access the Internet).
Idle Timeout:
Auto-disconnect the router when there is no activity on the line for a predetermined period
of time.
MTU:
Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers)
that IP will attempt to send through the interface.
NAT:
The NAT (Network Address Translation) feature allows multiple users to access the Internet through a
single IP account, sharing the single IP address. If PCs in LAN should share the WAN IP for WAN access,
please enable NAT. If users on your LAN have public IP addresses and can access the Internet directly, the
NAT function can be disabled.
Auth. Protocol:
Default is Auto. Your ISP advises on using Chap or Pap.
MAC Spoofing:
Select Enable and enter a MAC address that will temporarily change your router’s MAC
address to the one you have specified in this field. Leave it as Disabled if you do not wish to change the
MAC address of your router.
Obtain DNS:
Select Automatic to use DNS.
Primary DNS/ Secondary DNS:
Enter the IP addresses of the DNS servers. The DNS servers are
passed to the DHCP clients along with the IP address and the subnet mask
IPv6:
check to enable IPv6 service. Enter IPv6 Gateway address and set IPv6 DNS as same in IPv4
mode.
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Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
76
IPv6 Address:
type the IPv6 address from your ISP, or get it automatically. ” ::” means to obtain IPv6
address automatically.
Obtain IPv6 DNS:
check
Automatic
to obtain DNS automatically.
If not, please type the concrete one
in the Primary and Secondary fields.
Pure Bridge
Profile Port:
Select the profile port
as
EWAN
.
Protocol:
Select
Pure Bridge
.
Acceptable Frame Type:
Specify which kind of traffic goes through this connection, all traffic or only
VLAN tagged.
Filter Type:
Specify the type of ethernet filtering performed by the named bridge interface.
All
Allows all types of ethernet packets through the port.
Ip
Allows only IP/ARP types of ethernet packets through the port.
Pppoe
Allows only PPPoE types of ethernet packets through the port.

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