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Old 05-06-2003, 07:12 PM   #1
Registered: Dec 2001
Location: Scotland
Distribution: Slackware 9.1/13.37/14/14.2 RH 6.2/7/EL6.5 SuSE 8.2/11.1
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10Mb/s and 100Mb/s on same network

I have a few machines that are connected by a hub/switch, however the latest machine to be joined only have a 10Mb/s NIC, when connected to the hub/switch, the LED indicates that it is connected at 10Mb/s as it should, but I can not communicate with any other mahcines on the LAN, or vice-versa. But, when I connect the same machine into my router, which is 10Mb/s, I can then comunicate with all the other mahcines and vice-versa.

Why is this????

All help is appreciated....
Old 05-07-2003, 08:29 AM   #2
Registered: Mar 2003
Location: The Netherlands
Distribution: Red Hat 7.3, Red Hat 9, Solaris8, Slackware 10, Slax on USB, AIX, FreeBSD, WinXP, AIX, Ubuntu
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Is your hub / switch 10/100 compliant ???

Sometimes , when you add a 10/mbit to a 10/100 hub, all other ports will drop to 10/mbit also. But you other machines already have configured their nics to 100....

Something like that seems to bee the prob!

I know of hubs to be 10/100 but ONLY 10, or ONLY 100!

Last edited by Satriani; 05-07-2003 at 08:30 AM.
Old 05-07-2003, 10:28 AM   #3
Registered: Oct 2002
Location: Ayrshire, Scotland
Distribution: Suse(home) RHEL (Work)
Posts: 263

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Additionally, some network hardware needs to be set to operate at a certain speed - i.e. 10, 100, or auto-detect. Not generally a problem with a hub, but may be an issue with a switch.

(Does anyone remember the days of token ring when you had to set every card to 16 or 4mbs, or you would bring down the network? Ahh, those were the days!)


P.S. Where in Scotland are you from, plisken?

Last edited by davee; 05-07-2003 at 10:29 AM.


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