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61200375L1-1
TA 850
T1 RCU VoATM UIG/61200376L2-31A
Page 69 of 72
© 2001, ADTRAN, Inc. TA 850 User Manual
Appendix F. RFC1483 Quick Start (IP Routing with NAT)
To illustrate the use of NAT, consider the example from Appendix C. To set up a single public address that will be
used to access the public network, you will use the
NAT
menu on the
WAN/ATM/RFC1483 IP
menu.
IP Routing with NAT
Step Action
1
From the
NAT
menu, set
N
ETWORK
A
DDRESS
P
ORT
T
RANSLATION
to
E
NABLED
. (This will enable translation and allow you to enter the NAT
options.)
2
Set
P
UBLIC
IP A
DDRESS
M
ODE
to
S
PECIFIED
so you can enter your public
address. During transmission, private addresses are translated into this
public (NAPT) address.
You will also need to set up the Translation Table to do translation on
the body of the packets for certain protocols, such as FTP, to work
correctly.
3
From the T
RANSLATION
T
ABLE
menu, create a new entry by arrowing
into the table.
4
For
P
UBLIC
A
DDRESS
M
ODE
, select NAPT A
DDRESS
to use the
previously specified public address.
5
For
P
ROTOCOL
, select TCP.
6
Make sure that
T
RANSLATE
B
ODY
is set to
Y
ES
.