Text 6706, 71 rader
Skriven 2005-08-24 23:45:30 av Ellen K. (1:379/45)
   Kommentar till text 6703 av Gary Britt (1:379/45)
Ärende: Re: In the age of cheap disposable h/w.....
===================================================
From: Ellen K. <72322.1016@compuserve.com>

The IP addresses might be dynamic.

On Wed, 24 Aug 2005 22:24:46 -0400, "Gary Britt" <zotu@nospamforme.com> wrote
in message <430d2bdc$1@w3.nls.net>:

>OK thanks, but why wouldn't they just use the local IP address since each
>computer has a unique IP address?
>
>Gary
>
>"Geo" <georger@nls.net> wrote in message news:430d101b$1@w3.nls.net...
>> Packets are delivered TO the local subnet by IP address, but your local
>> router uses an arp table to decide what Mac address the packet needs to go
>> to once it gets to that local wire. The arp table is basically a lookup
>> table that matches IP to Mac address.
>>
>> Geo.
>>
>> "Gary Britt" <zotu@nospamforme.com> wrote in message
>> news:430c771d$1@w3.nls.net...
>> > Packets aren't delivered on the internal network via the internal IP
>> > address?  Is that what you said?
>> >
>> > Gary
>> >
>> > "Geo" <georger@nls.net> wrote in message news:430c4b76$1@w3.nls.net...
>> > > "Ellen K." <72322.1016@compuserve.com> wrote in message
>> > > news:3csmg1h4bat1evu7j4g60ju4bonh7kqcp3@4ax.com...
>> > >
>> > > > So the knowledge of the MAC addresses is in a Windows server, how
>does
>> > > > Sonic (running on HP-UX and I guess using Oracle Application Server
>> also
>> > > > on HP-UX) get it and associate it with the user?
>> > >
>> > > You know how there are different layers to the network? Well at
>ethernet
>> > you
>> > > need a MAC address to deliver to, every device on the physical wire
>(or
>> on
>> > > the wireless) has a hardware ID called a MAC address. There are a few
>> > pieces
>> > > of hardware that can change/forge MAC addresses but for most the MAC
>> > address
>> > > is hard coded into the hardware.
>> > >
>> > > Anyone on the local segment can get the mac address of any other
>device
>> on
>> > > that local segment just by looking at the traffic. If you open a cmd
>> > windows
>> > > and type
>> > >
>> > > arp -a
>> > >
>> > > you'll see these addresses.
>> > >
>> > > Geo.
>> > >
>> > >
>> >
>> >
>>
>>
>

--- BBBS/NT v4.01 Flag-5
 * Origin: Barktopia BBS Site http://HarborWebs.com:8081 (1:379/45)