diff --git a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml index 6da434fad0..326a597388 100644 --- a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml +++ b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml @@ -1,7 +1,7 @@ @@ -88,7 +88,7 @@ For one machine to be able to find another over a network, there must be a mechanism in place to describe how to get from one to the other. This is - called Routing. A route is a defined pair of addresses: a + called routing. A route is a defined pair of addresses: a destination and a gateway. The pair indicates that if you are trying to get to this destination, communicate through this @@ -254,8 +254,8 @@ host2.foobar.com link#1 UC 0 0 route (usually the only one present in the system), and is always marked with a c in the flags field. For hosts on a local area network, this gateway is set to whatever machine has a - direct connection to the outside world (whether via PPP link, or your - hardware device attached to a dedicated data line). + direct connection to the outside world (whether via PPP link, + DSL, cable modem, T1, or another network interface). If you are configuring the default route for a machine which itself is functioning as the gateway to the outside world, then the @@ -269,11 +269,12 @@ host2.foobar.com link#1 UC 0 0 [Local2] <--ether--> [Local1] <--PPP--> [ISP-Serv] <--ether--> [T1-GW] - The hosts Local1 and Local2 are - at your site, with the formed being your PPP connection to your ISP's - Terminal Server. Your ISP has a local network at their site, which - has, among other things, the server where you connect and a hardware - device (T1-GW) attached to the ISP's Internet feed. + The hosts Local1 and + Local2 are at your site. + Local1 is connected to an ISP via a dial up + PPP connection. This PPP server computer is connected through + a local area network to another gateway computer with an + external interface to the ISPs Internet feed. The default routes for each of your machines will be: @@ -315,7 +316,7 @@ host2.foobar.com link#1 UC 0 0 server. As a final note, it is common to use the address ...1 as the gateway address for your local + role="ipaddr">X.X.X.1 as the gateway address for your local network. So (using the same example), if your local class-C address space was 10.20.30 and your ISP was using 10.9.9 then the default routes @@ -1549,9 +1550,9 @@ hostname myclient.mydomain As the cost of low end ISDN routers/bridges comes down, it will likely become a more and more popular choice. An ISDN router is a small box that plugs directly into your local - Ethernet network(or card), and manages its own connection to - the other bridge/router. It has all the software to do PPP - and other protocols built in. + Ethernet network, and manages its own connection to the other + bridge/router. It has built in software to communicate via + PPP and other popular protocols. A router will allow you much faster throughput that a standard TA, since it will be using a full synchronous ISDN @@ -1816,7 +1817,7 @@ ISDN BRI line and hosts files are commonly shared via NIS. Whenever a process on a client needs information that would normally be found in these files locally, it makes a query to the - server it is bound to, to get this information. + NIS server that it is bound to instead. Machine Types