Billion BiPAC 7800NL User Manual page 62

identifiers to convey particular configuration or other identification information about a client.
Option 61 IAID: Enter the associated information provided by your ISP. You should input 8
hexadecimal numbers.
Option 61 DUID: Enter the associated information provided by your ISP. You should input
hexadecimal number(s).
Option 125: Option 125 is a complementary standard of DHCP protocol, it is used to encapsulate
option 125 message into DHCP offer packet before forward it to clients. After the clients receive the
packet, it check the option 125 field in the packet with the prestored message, if it is matched, then
the client accepts this offer, otherwise it will be abandoned. Check Enable or Disable this function.
Default setting is Disable.
WAN IP Address: Enter your IPv4 address to the device provided by your ISP.
WAN Subnet Mask: Enter your submask to the device provided by your ISP.
WAN gateway IP Address: Enter your gateway IP address to the device provided by your ISP.
Obtain DNS: check whether to enable obtain DNS function.
Primary/Secondary DNS: enter the primay/secondary DNS address when you uncheck Obtain
DNS checkbox.
Obtain an IPv6 address automatically: check whether to enable or disable this feature.
WAN IPv6 Address/Prefix Length: Enter the WAN IPv6 Address/Prefix Length from your ISP.
WAN Next-Hop IPv6 Address: Enter the WAN Next-Hop IPv6 Address from your ISP.
Note: If you don't know well about the DHCP Option, you can leave it empty or leave it as default.
Click Next to go to next step.
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. For detail, please turn to page
47 for help.
Firewall: Check/uncheck this item to enable/disable firewall function.
IGMP Multicast: IGMP (Internet Group Membership Protocol) is a protocol used by IP hosts to
report their multicast group memberships to any immediately neighboring multicast routers. Check
this item to enable IGMP multicast on that WAN interface for multicast forwarding.
MLD Multicast Proxy: check whether to enable this function. MLD (Multicast Listener Discovery
Protocol) Proxy intercept the MLD request from Clients and forward it to the router after some
dealings. Support MLDv1 and MLDv2.
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