86
RA MTU Oprion
－
Enter the largest packet (in bytes) that can be sent without
fragmentation in the MTU field. The MTU is determined by the ISP but is normally 1500
bytes.
Router Lifetime
－
Enter (in seconds) how long a route created by the Router
Advertisement message should remain valid in the Router Lifetime field.
RDNSS Option
－
Enale to let IPv6 issued out by Router Advertisement, including
default gateway, address assignment and DNS.
3.7 Fire Wall
Select
Firewall
in the menu bar. Then, the following screen page will appear
This section allows you to enable or disable the firewall protection of the Residential Gateway.
When the firewall protection is enabled, the Residential Gateway will inspect the packets which are
transmitted from the public network to its private network.
Note:
When you disable the firewall protection, the security features such as
“Packet Filter” and
“URL Filter”
will stop working.
Click
OK
to submit your settings after you finish configuring this page.
3.8 UPnP
Universal Plug and Play (UPnP) is a distributed, open networking standard that uses TCP/IP for
simple peer-to-peer network connectivity between devices. An UPnP device can dynamically join a
network, obtain an IP address, convey its capabilities and learn about other devices on the
network. In turn, a device can leave a network smoothly and automatically.
Select
UPnP
from the
Security
sub menu bar. Then, this
screen page appears as follows: