Gaffer typed the following on 7/22/2006 6:03 PM:
Hi Pete,
On Saturday 22 July 2006 22:34, Pete Holsberg Inscribed Thus:
Rich Koziol typed the following on 7/22/2006 2:28 PM:
On 22 Jul 2006 at 14:09, Pete Holsberg wrote:
What does that actually mean? Aren't all the PCs behind a
firewall, and doesn't each have a unique IP address that is
not ordinarily visible on the Net?
Yes ! Called "Private Addresses"
All your PC's will have the same IP on the Internet side of
the Router.
No ! Only the router will be assigned a public address !
:GOTO Bottom:
On the LAN they will be unique, and you can
change them if you want to.
Yes ! You can let DHCP assign addresses or you can give each machine a
static one ! Its easier to let DHCP do the work !
Isn't it the router (or cable/DSL modem) that gets the Internet
side IP address?
Yes !
I don't understand how two computers on the
Internet can have the same IP address.
They can't ! Or rather they shouldn't have ! On the internal network
they can't either ! If that happened the machines would become
invisible, nothing would be able to talk to them !
:Bottom:
The router will have a DHCP server that dishes out private addresses to
the machines on the internal network. It will also map each address in
such a way that it can direct traffic to and from the correct machine.
This mechanism is called NAT.
That's what I thought! So what was th other guy talking about?
--
Pete Holsberg
Columbus, NJ
Treat everyone the way you want to be treated.
--
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