Atlantis Land 111U - Manual (Page 49)

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Address Translation) function for this VC. The NAT function can be
activated or deactivated per PVC basis.
Default Route
if enable this function, the current PVC will be the default gateway
to internet from this device.
TCP MTU Option
RIP (Routing Information protocol) Select this option to specify the
RIP version, including RIP-1, RIP-2M and RIP-2B. RIP-2M and RIP-
2B are both sent in RIP-2 format; the difference is that RIP-2M
using Multicast and RIP-2 using Broadcast format.
Dynamic Route
RIP Direction Select this option to specify the RIP direction. None is
for disabling the RIP function. Both means the ADSL Router will
periodically send routing information and accetp routing
information then incorporate into routing table. IN only means the
ADLS router will only accept but will not send RIP packet. OUT olny
means the ADLS router will only send but will not accept RIP
packet.
Direction
IGMP (Internet Group Multicast Protocol) is a session-layer protocol
used to establish membership in a multicast group. The ADSL ATU-
R supports both IGMP version 1 (IGMP-v1) and IGMP-v2. Select
None to disable it.
Multicast Click Apply to save the changes.
Save
The IP address can be either dynamically (via DHCP) or given IP
address provide by your ISP. For Static IP, you need to specify the
IP address, Subnet Mask and Gateway IP address.
8. Network Address Translation (NAT)
This chapter discusses how to configure NAT on the WebShare Wireless Router
ADSL2+.
8.1 NAT Overview
NAT (Network Address Translation - NAT, RFC 1631) is the translation of the IP
address of a host in a packet, for example, the source address of an outgoing packet,
used within one network to a different IP address known within another network.