Nat; Virtual Server - Tenda AC1200 User Manual

When computers get the message, they will take the router's IP address as the secondary route for easy use. In addition,
checking RADVD can also broadcast the prefix address generated from the computer in the LAN.

Enable IGMP Snooping: Check to enable the IGMP Snooping feature. IGMP Snooping is to restrain broadcast on
Layer 2. Enabling IGMP snooping is good for managing and controlling IPv6 broadcasts. Suggest to select Blocking
Mode.

Standard Mode: If no members join in one broadcast group, packets of this group will be broadcasted; if
there're members joining in the group, packets will be only forwarded to the LAN port where the group
members exist.

Blocking Mode: If no members join in one broadcast group, packets of this group will be dropped; if
there's members joining in the broadcast group, packets will be only forwarded to the LAN port where the
group members exist.

Click Save/Apply.
Other fields' introduction that may help:

Enable ULA Prefix Advertisement: If enabled, the router will advertise ULA prefix periodically.

Leased Time (hour): A time length that the IP address is assigned to each device before it is refreshed.

Start interface ID/End interface ID: Specify the start/end interface ID Interface ID does NOT support ZERO
COMPRESSION "::". Please enter the complete information. For example: Please enter "0:0:0:2" instead of "::2".

Randomly Generate: If selected, address prefix can be automatically generated.

Statically Configure: If you select this option, you need to manually configure the address prefix and life time.

Prefix: Specify the prefix.

Preferred Life Time (hour): Specify the preferred life time in hour.

Valid Life Time (hour): Specify the valid life time in hour.

Enable MLD Snooping: MLD is used by IPv6 routers for discovering multicast listeners on a directly attached link.
If disabled on layer2 devices, IPv6 multicast data packets will be broadcast on the entire layer2; if enabled, these
packets will be multicast to only specified recipient instead of being broadcast on the entire layer2.

2.4 NAT

2.4.1 Virtual Server

The Virtual Server is useful for web servers, ftp servers, e-mail servers, gaming and other specialized Internet
applications.
Scenario: If you have a server in the LAN, such as a website, FTP server or game server, you want e-friends to visit the
Wireless AC1200 ADSL2+ Dual Band Modem Router
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