The default configuration for most devices is to auto-sense, that is if a
10/100 device is talking with another 10/100 device, they will sense that
they are both capable of 100 Mpbs operation and then operate at the higher
speed (they will also sense full/half duplex).
Most NICs, routers and switches let you manually specificy speed and duplex
if you so desire.
I know a few years ago several interface cards, especially those from Intel,
had a heck of a time auto negotiating with Cisco Catalyst 5xxx's, but I'd
imagine these problems are resolved by now. (It shows you how long it has
been since I've actually touched a real network. :-) )
Irwin
-----Original Message-----
From: Sammi [mailto:[EMAIL PROTECTED]]
Sent: Friday, April 13, 2001 5:42 PM
To: [EMAIL PROTECTED]
Subject: Ethernet vs. Fast Ethernet [7:515]
Ok, very basic question, I apologize.
I know 10/100 is ethernet/fast ethernet, but what is the compatibility
issues? If you have a 10/100 device configured for ethernet (say a
2900xl switch) will it only go at 100 if specifically configured for
Fast Ethernet?
I can't find any literature that clearly spells the distinctions and
considerations.
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