On Thursday, 16.06.2005 at 16:21 -0600, Paul E Condon wrote: > > Hello, > > > > We had a 3com NIC go bad and replaced it with and Intel card. > > > > I'm noticing odd behavior. The kernel/NIC runs a self-test and says > > that it's up in 100 Full Duplex mode. [ This is good. ] I try to > > ping some sites to verify and I get 100% packet loss. I did ping to > > the broadcast address and machines on the LAN responded. [ This is > > good. ] Then I could ping www.cisco.com. [ This is very good. ] A > > day later, I can't get out to any machines on the LAN or on the > > internet. As a test, I went back and did a ping to the broadcast > > address. No other machines responded this time. > > > > I have the feeling that some network guy, put a block on the wall > > jack ... > > If there is some other equipment on the LAN that is running 10, then > the whole segment of the LAN must run 10. If the LAN is dynamically > changed with equipment swapped out and in without powering down the > hubs, then the equipment that originally required 10 may no longer be > connected. A trick that I use on my junky old LAN is to power down my > hubs momentarily and let them reconfigure on power-up. Erm, that *only* applies if he has a *hub* (which he didn't actually specify). If you have switches, rather than hubs, then each piece of equipment will negotiate its own speed (10-megabit, 100-megabit, gigabit or whatever) with the switch. Dave. -- Please don't CC me on list messages! ... Dave Ewart - davee@sungate.co.uk - jabber: davee@jabber.org All email from me is now digitally signed, key from http://www.sungate.co.uk/ Fingerprint: AEC5 9360 0A35 7F66 66E9 82E4 9E10 6769 CD28 DA92
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