Using Sites For Outgoing Connections; Isp Site Connections With Nat - Lantronix SCS Reference Manual

Basic Remote Networking

4.2.7 Using Sites for Outgoing Connections

The SCS does not support outgoing remote node connections.
Note:
A site must be configured for each outgoing LAN to LAN connection. This site controls when and how the
SCS will call the remote location, what protocols to use, and when to terminate the connection.
Outgoing sites are typically named for the remote router that the SCS will call; for example, if a site is used
for outgoing connections to a remote router in Dallas, the site used for the connection might be named
dallas. This site could also be used for incoming calls; if the router in Dallas needed to call the first SCS, it
could use dallas to make the connection.

4.2.8 ISP Site Connections with NAT

Network Address Translation (NAT) functionality allows a private network to share a single public
(Internet) IP address to access the Internet. This connection is normally made by dialing an ISP dialup
account. Note that the ISP must support PPP dialers. ISPs that use proprietary dialers (for example, ones
that do not work with Windows Dialup Networking) will not work with the SCS's ISP connection.
To set up NAT, the systems administrator must select a private network range for the local devices and
assign a single valid non-private IP address for the SCS. Valid private IP address ranges are:
Class
Class A
Class B
Class C
To configure NAT support:
Create the SCS's IP address to an address on a private subnet, for example:
1
DEFINE PROTO IP IPADDR 192.168.13.1
2 Create the site that will dial up the ISP. Your ISP will provide most of the information:
Command
DEFINE PORT n MODEM TYPE y
DEFINE SITE OUTGOING PORT n
DEFINE SITE OUTGOING AUTH USER n
Table 4-2: Valid Private IP Address Ranges
Address Range
10.n.n.n
172.16.n.n through 172.20.n.n 255.255.0.0
192.168.n.n
Figure 4-10: Configuring the SCS's IP Address
Table 4-3: Creating the Site
4-6
Managing Connections With Sites
Subnet Mask
255.0.0.0
255.255.255.0
Description
n = port or ports; y = modem type #
(Use command SHOW MODEM to see list of
modem types.)
n = port(s) with modem attached
n = username provided by the ISP