Routing between two LAN Post: 6524

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Top Forums UNIX for Dummies Questions & Answers Routing between two LAN Post 6524 by haha25 on Thursday 6th of September 2001 06:36:50 AM

09-06-2001

Registered User

It seems that u need a router or gateway to connect ur two lans.
I don't know how to setup a UNIX box as a gateway, but i ever did it in a windows.
In ur case, Lan1 is connected to internet through router and set NAT in the router or fireware.
Lan2 is another lan which u want to connect to internet.
U can setup a windows with two nics, lets call it Gateway. First nic is nicA, the second one is nicB.
Connect nicA in lan1, assign it the ip address and default gateway of lan1.
Connect nicB in lan2, assign it the ip address of lan2, leave the default gateway blank.
Install Winroute in ur Gateway, inside Winroute, enable NAT in nicA.
Set all other computers in lan2 to use the ip address of nicB as their default gateway.
Then all computers in lan2 can connect internet through the Gateway.

I am very interesting in how to setup a UNIX box as a gateway and enable NAT, any one can give me an example? Thanks

haha25

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nm-connection-editor

NM-CONNECTION-EDITOR(1) 				      General Commands Manual					   NM-CONNECTION-EDITOR(1)

NAME

       nm-connection-editor - network connection editor for NetworkManager

SYNOPSIS

       nm-connection-editor  [ OPTIONS ]

DESCRIPTION

       nm-connection-editor  is  a  GTK-based application to add, remove, and modify network connections stored by NetworkManager.  NetworkManager
       must be running for any network connections to be added, removed, or modified.

OPTIONS

       -t, --type=<type>
	      Type of connection to create or show.  Values are NetworkManager setting names, eg  "802-3-ethernet",  "802-11-wireless",  "bridge",
	      "bond", "wimax", "infiniband", "vlan", etc.  Does nothing if --create or --show is not given.

       -s, --show
	      Expand or collapse the network list to highlight the network connection type given by --type.

       -c, --create
	      Create a new connection of the type given by --type and allow the user to modify connection details.

       -e, --edit=<uuid>
	      Show the network connection edit window for the connection of the given UUID.

SEE ALSO

       nmcli(1), NetworkManager(8), nm-applet(1).

								 15 February 2013					   NM-CONNECTION-EDITOR(1)