219 lines
3.8 KiB
HTML
219 lines
3.8 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>Linking two networks using PPP</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.52"><LINK
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REL="HOME"
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TITLE="Linux PPP HOWTO"
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HREF="index.html"><LINK
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REL="PREVIOUS"
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TITLE="Setting Up a local Name server"
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HREF="x1386.html"><LINK
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TITLE="Setting up the routing"
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HREF="x1410.html"></HEAD
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><A
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HREF="http://www.linuxports.com/howto/ppp"
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TARGET="_top"
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>Linux PPP HOWTO</A
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="CHAPTER"
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><H1
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><A
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NAME="WAN"
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>Chapter 24. Linking two networks using PPP</A
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></H1
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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>24.1. <A
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HREF="wan.html#AEN1403"
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>Setting up the IP numbers</A
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></DT
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><DT
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>24.2. <A
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HREF="x1410.html"
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>Setting up the routing</A
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></DT
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><DT
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>24.3. <A
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HREF="x1418.html"
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>Network security</A
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></DT
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></DL
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></DIV
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><P
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>There is basically no difference between linking a single Linux PC to a
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PPP server and linking two LANs using PPP on a machine on each LAN.
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Remember, PPP is a <I
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CLASS="EMPHASIS"
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>peer to peer</I
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> protocol.</P
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><P
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>However, you <I
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CLASS="EMPHASIS"
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>DEFINITELY</I
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> need to understand about how routing is
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established. Read the NET-2 howto and the Linux Network Administrator
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Guide (NAG). You will also find TCP/IP Network
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Administration (published by O'Reilly and Assoc - ISBN
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0-937175-82-X) to be of invaluable assistance.</P
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><P
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>If you are going to be sub networking an IP network number on either side
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of the link, you will also find the Linux (draft) sub networking
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mini-howto) to be of use. This is available at <A
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HREF="http://www.interweft.com.au/other/"
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TARGET="_top"
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>Linux Sub networking mini-HOWTO</A
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>.</P
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><P
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>In order to link two LANs, you <I
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CLASS="EMPHASIS"
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>must</I
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> be using different IP network
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numbers (or subnets of the same network number) and you will need to use
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static IP numbers - or use IP masquerade. If you want to use IP
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masquerade, see the IP masquerade mini-howto for instructions on setting
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that up.</P
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="AEN1403"
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>24.1. Setting up the IP numbers</A
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></H1
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><P
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>Arrange with the network administrator of the other LAN the IP numbers
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that will be used for each end of the PPP interface. If you are using
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static IP numbers, this will also probably require you to dial into a
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specific telephone number.</P
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><P
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>Now edit the appropriate <TT
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CLASS="LITERAL"
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>/etc/ppp/options[.ttyXX]</TT
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> file - it's a
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good idea to have a specific modem and port at your end for this
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connection. This may well require you to change your
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<TT
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CLASS="LITERAL"
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>/etc/ppp/options</TT
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> file - and create appropriate
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options.ttyXX files for any other connections!</P
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><P
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>Specify the IP numbers for your end of the PPP link in
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the appropriate options file exactly as shown above for static IP
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numbers.</P
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="x1386.html"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="x1410.html"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
|
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ALIGN="left"
|
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VALIGN="top"
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>Setting Up a local Name server</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
|
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VALIGN="top"
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> </TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>Setting up the routing</TD
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></TR
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></TABLE
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></DIV
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></BODY
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> |