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i got a strange problem today, anyone could help?

redspider(忙啥！歇着吧！)

i just installed an linux redhat 9 with mysql server with static ip (192.168.50.11).

i can ping or ssh from subnet 192.168.1.0 to mysql server.

but in subnet 192.168.50.0, some windows xp CAN NOT ping the server or ssh it. at the same subnet, windows nt/2000 have not problem.

those windows xp can get anything else except the linux server at the same subnet, they can even ping another linux server under 192.168.1.0.

from mysql server, it cannot ping the windows xp either.

no firewall or ip filtering activated on windows or linux!

i use only ip to test, no dns issue here!

i also tried clear arp cache on windows, no help!

windows are under winnt 4 domain environment.

any idea???

(#1684077@0)
Last Updated: 2004-4-14
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工作学习 / IT技术讨论 / i got a strange problem today, anyone could help? -redspider(忙啥！歇着吧！); 2004-4-14 {713} (#1684077@0)
i just installed an linux redhat 9 with mysql server with static ip (192.168.50.11).

i can ping or ssh from subnet 192.168.1.0 to mysql server.

but in subnet 192.168.50.0, some windows xp CAN NOT ping the server or ssh it. at the same subnet, windows nt/2000 have not problem.

those windows xp can get anything else except the linux server at the same subnet, they can even ping another linux server under 192.168.1.0.

from mysql server, it cannot ping the windows xp either.

no firewall or ip filtering activated on windows or linux!

i use only ip to test, no dns issue here!

i also tried clear arp cache on windows, no help!

windows are under winnt 4 domain environment.

any idea???

Try using tcpdump or Ethereal on your sql server to catch packets coming from your XP machines on 192.168.50.0 and see what you get. -secfan(WhoAmI?); 2004-4-14 (#1684130@0)

i did it with tcpdump, can't get any clue either. -redspider(忙啥！歇着吧！); 2004-4-15 (#1686368@0)

Did you enable the WinXP firewall? -usera(usera); 2004-4-14 (#1684887@0)
fixed, i plugged directly to a swith ( before it is plugged to a hub which is connected to switch) and no problem anymore, still don't know why! -redspider(忙啥！歇着吧！); 2004-4-15 (#1686375@0)

@Chicago

i got a strange problem today, anyone could help?

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