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Network hub defective ?
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Network hub defective ?
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14th June 2004, 15:40
| #1 |
| Member  Join Date: May 2002
Posts: 3,711
 |  Network hub defective ? Situation Router - Hub - 2 PC's It has been like that for 1,5 years. Hub is approx 5 years old. Network connections are ok, ping is ok, ... but i have this problem ... Problem All the lights on hub are blinking like hell (also collision 100) without any connection being made (at my knowledge). The hub has 5 ports, 3 being used (1 uplink + 2 pc's). If i pull the uplink to the router out the hub ... the blinking goes on. If i pull the 2 pc's out of the hub ... the blinking stops. Only pulling 1 out doesn't help. Checking netstat on the 2 pc's doesn't give me any open port or answer. All pc's have software firewalls, the router has a hardware firewall. Virus updating and scanning is ok. Adware installed. What is creating traffic ? Could the hub be defective ?
__________________ "Think of how stupid the average person is, and realize half of them are stupider than that." |
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14th June 2004, 15:50
| #2 |
| Member  Join Date: Mar 2004
Posts: 15,738
| Unplug; reset switch; perhaps reload firmware.
__________________ lazyman Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II |
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14th June 2004, 16:00
| #3 |
| Madshrimp  Join Date: May 2002 Location: 7090/Belgium
Posts: 79,021
 | are you experiencing lower transfer rates? time-outs? loss of connection? slower download speeds? any other impact besides the "flashing lights"?
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14th June 2004, 16:01
| #4 |
| Member Join Date: May 2002
Posts: 3,711
| More info : adsl-modem ----- router/switch ------- hub -- 2 pc's As pulling the cable out between router/switch and hub does not stop the blinking ... i don't believe resetting the router/switch might be the answer. The hub has no reset button, nor a web-interface, nor the possibility to upload/install firmware.
__________________ "Think of how stupid the average person is, and realize half of them are stupider than that." |
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14th June 2004, 16:04
| #5 |
| Madshrimp Join Date: May 2002 Location: 7090/Belgium
Posts: 79,021
| ^replied^
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14th June 2004, 16:06
| #6 | |
| Member Join Date: May 2002
Posts: 3,711
| Quote:
Pinging the pc's for over 50 times (yes, fifty each ... approx) doesn't give any loss, except the 51th time : 1 packet lost on one of the pc's. Tossing around big image-files (around 1 GB) gave 1 error ... when moved around for the 30th time.
__________________ "Think of how stupid the average person is, and realize half of them are stupider than that." | |
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14th June 2004, 16:13
| #7 |
| Madshrimp Join Date: May 2002 Location: 7090/Belgium
Posts: 79,021
| seems to be like a hardware failure, either cable or the device itself
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14th June 2004, 16:44
| #8 | |
| Member Join Date: May 2002
Posts: 3,711
| Quote:
Problem is the blinking doesn't if i pull only one of the two plugs ... i have to pull them both. Reseating them ... only one ... no matter in which order ... gives the blinking lights. Chances are very small the two cables/NIC's being defective at the same time. Grr, i hope this isn't like an evil software exploit ... still receiving loads of emails like "This is an automatically generated Delivery Status Notification - Delivery to the following recipients failed." from postmasters / recipients i don't know Edit : i'm thinking of replacing the hub as i think this is the only plausible cause, and ... as it's blinking like hell ... it will go completly down one of these days eventually
__________________ "Think of how stupid the average person is, and realize half of them are stupider than that." | |
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14th June 2004, 22:10
| #9 |
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Posts: n/a
| buy a swith, no more collisions. |
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16th June 2004, 14:50
| #10 |
| Member Join Date: May 2002
Posts: 3,711
| New switch arrived just in time. Hub lights were blinking contiously and the hub almost stopped working. No more blinking, no more loss ... for 35 eur
__________________ "Think of how stupid the average person is, and realize half of them are stupider than that." |
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