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Thread: Ethernet network

  1. #1
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    Ethernet network

    I have three PC's running ethernet to a switch then to my main PC that runs a wireless connection downstairs to the house modem/router/telstra/nbn thing...

    any ideas on what I need to do here?
    This is from one of the ethernet connected PC's
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  2. #2
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    You could try removing the Ethernet Card device via Device Manager and reboot the PC.

    Hopefully it then picks up a generic Microsoft Driver and away you go?
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    I’m not an expert, but my trouble shooting would be: turn it off and back on again; try a new Ethernet cable; try plugging it in to a different port on your switch; see if you can run a cable from the computer direct to your modem to see if it works.

    Hope that helps
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  4. #4
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    What's the switch telling 'ya.
    They usually have lights that blink madly with network activity, ie. pretty much all the time.
    Sometimes it's as simple as the RJ45 connector doodad just has come out of it's seat in the switch/PC eth port or wherever.

    Also curious: why run all the three ethernet connected PCs via your main PC?
    You'd be better to run something like a repeater of some sort as the link to the downstairs internet connection.
    if you don't actually have a repeater device, but you have an old wireless router, most decent quality wireless routers can be set to run in repeater mode.
    You can get very decent quality wireless/eth switches too nowadays for cheap.

    Reason I ask, is that if your PC is the link to the other three and they require online data, it just clogs up your PCs network connectivity(for no reason).

    Anyhow, back to the blinking lights. Wouldn't worry too much about the physical eth port on the back of your PC, just check the blinking light from that cable to the switch.
    Any port with an active device(ie. PC on) will show some activity on the connection port.
    So your PC should pretty much show lights at the switch. The others will only show lights if they're on.

    Also, can we assume that the other PCs have issues too. it's a matter of deduction.
    If all the eth connected PCs show the same non network connection status, then most likely at your PC, or switch failed.

    Another issue could be if your PC doing DHCP? Unless you need separated networking for the 3 eth connected PC, better to just let the router do DCHP so that all PCs get their command from one device, and the main PC(ie. Windows) doesn't allow any possibility of network hissyfitting, due to DHCP conflicts.
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  5. #5
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    switches dont like power fluctuations turn it off and pull all the cables out, wait 5 then turn on and pleg em in again

    maybe
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    I used to run a TP-Link AC750 range extender plugged into the switch, but "internet supply" was sporadic..

    might give it another go..



    the little switch checks the cable and ports of each lead when plugged in,, its a D-Link DGS 1005A
    "How long since you've visited The Good Oil?"

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    Quote Originally Posted by AK83 View Post
    ....
    You can get very decent quality wireless/eth switches too nowadays for cheap.

    ....
    Damn! Gotta eat some words there. Everything's gone up in price since I last bought them.

    I use a Dlink DAP1665. nice little unit, the MIMO feature definitely helped heaps with a Windows tablet I used to run(battery dead now).

    I used to use it as a repeater to get network from one of house to another(for the tablet). I see price now is in the high 100's, definitely low hundreds when I got it years back .. I think maybe $99.
    I ummed and ahhed heaps about whether to go with better wireless speeds, trying to decide between regular old AC450/600 ish devices or go with these new fangled AC 1000+ types.
    As I remember them the fast-ish AC450/600 devices were in the $30-50 range(my budget back then).

    Must be the pathetic exchange rate over the past half decade!
    Arthur.

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  8. #8
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    At a more basic networking level I've been playing with a Netgear Nighthawk M1 wireless router and have had some interesting results re wireless. I live in a 'fair' reception range area of say 2 bars out of 5 for 4G, I can't recall the dB figure, and get around 80 Mbps download speed which I reckon is pretty good considering the relatively poor signal strength. This was measured using Telstras speed test site at Windsor and ethernet connection to the Nighthawk M1.

    I thought I'd try wireless so connected an old 54 Mbps USB wireless adapter to the Win7 PC and achieved an uninspiring 0.5 - 2.5 Mbps download rate. Hmmm ................. tried another USB2 port, no change, new drivers no change, new USB adapter Netgear WG 111V2, no change. Tried a PCIe 54 Mbps card and doubled my download speed to 5 Mbps

    I tried a different tack, Lenovo I7 Win10 laptop with built in wireless and achieved 20 Mbps at PC approx. 10 metres from Nighthawk through one plaster wall. Getting better but hardly stellar performance. Moving the laptop to the bench 2 metres from the Nighthawk 40 Mbps, getting better, moving laptop to 1 metre or less from the Nighthawk 60 Mbps. Both PC and laptop give 80 Mbps with ethernet connection.

    And what did I learn from all this, ethernet rocks, wireless sucks though in all fairness my wireless adapters are pretty old and obsolete and no doubt one of the latest MIMO/diversity antenna wireless adapters should do a much better job, but at what cost. At the end of the day wireless will always have an overhead of encryption, packaging, sending, decryption etc so no matter what you do isn't going to better ethernet which is cheap as chips.

    So whilst I may have thought my days of crawling through spider infested enclosed spaces running cable was behind me this is not the case . It's still the most cost effective and efficient way to move data from A to B, not bad for an old steam age protocol which probably should have died off years ago

    Deano
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  9. #9
    DiscoMick Guest
    Quote Originally Posted by DeanoH View Post
    At a more basic networking level I've been playing with a Netgear Nighthawk M1 wireless router and have had some interesting results re wireless. I live in a 'fair' reception range area of say 2 bars out of 5 for 4G, I can't recall the dB figure, and get around 80 Mbps download speed which I reckon is pretty good considering the relatively poor signal strength. This was measured using Telstras speed test site at Windsor and ethernet connection to the Nighthawk M1.

    I thought I'd try wireless so connected an old 54 Mbps USB wireless adapter to the Win7 PC and achieved an uninspiring 0.5 - 2.5 Mbps download rate. Hmmm ................. tried another USB2 port, no change, new drivers no change, new USB adapter Netgear WG 111V2, no change. Tried a PCIe 54 Mbps card and doubled my download speed to 5 Mbps

    I tried a different tack, Lenovo I7 Win10 laptop with built in wireless and achieved 20 Mbps at PC approx. 10 metres from Nighthawk through one plaster wall. Getting better but hardly stellar performance. Moving the laptop to the bench 2 metres from the Nighthawk 40 Mbps, getting better, moving laptop to 1 metre or less from the Nighthawk 60 Mbps. Both PC and laptop give 80 Mbps with ethernet connection.

    And what did I learn from all this, ethernet rocks, wireless sucks though in all fairness my wireless adapters are pretty old and obsolete and no doubt one of the latest MIMO/diversity antenna wireless adapters should do a much better job, but at what cost. At the end of the day wireless will always have an overhead of encryption, packaging, sending, decryption etc so no matter what you do isn't going to better ethernet which is cheap as chips.

    So whilst I may have thought my days of crawling through spider infested enclosed spaces running cable was behind me this is not the case . It's still the most cost effective and efficient way to move data from A to B, not bad for an old steam age protocol which probably should have died off years ago

    Deano
    Interesting experiences, which confirm ours.
    We had an Optus modem in the main house, but the wifi was poor in the studio (converted garage).
    So we bought a new Telstra modem for the main house, ran a Cat 5 cable from that modem along the outside of the house and down to the studio.
    Then we reconfigured the Optus modem to broadcast the wifi and now we have 4-5 bars of wifi in the studio.
    The house Telstra and studio Optus signals have different names and passwords.
    So we can now have the daughter working online in the house, the grandson online doing schoolwork or whatever and we can run Netflix, phones and a laptop in the studio.
    We also had a technician repair the connections at the house and street, which were old and corroded.

    After finally getting the ADSL working, we're not in a hurry to change to the NBN, which is only offering satellite.

  10. #10
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    Quote Originally Posted by DiscoMick View Post

    .................... After finally getting the ADSL working, we're not in a hurry to change to the NBN, which is only offering satellite.
    With your combined router setup two lots of DHCP could be an issue but as one is Telstra and the other Optus should be OK as Telstra ADSL uses 10.0.x.x and from memory Optus uses the more generic 192.168.x.x . Satellite can be pretty good speed wise but latency is appalling, definitely no good if on line gaming is your thing.

    My main mobile number is Southern Phone (Optus 3G) so I gave that a speed test to the Optus speed test site, speed was pretty average as expected but latency was >2000 mS which was amazingly dreadful, just as well I don't use it for much except BOM.

    I also tried an external antenna(s) on the Nighthawk, two Yagi's 90 degrees apart but only gained 3dB which was a bit of a disappointment so gave them the flick. Not sure what the problem was there, it should have given a much better result.

    I had a bit of a brain storm re the ethernet/Nighthawk M1 setup. I can install a smaller omni diversity antenna setup on the TV antenna mast leaving the Nighthawk in the roof with the TV splitter amp 240v power supplying the Nighthawk power pack and use ethernet over power to distribute data with no more crawling through the roof trailing ethernet cable behind me. I'll need to do a bit of research here as I'm unsure if I can run two ethernet over power circuits concurrently which would be a bit of a bonus if possible

    Deano
    66 SIIA SWB .......73 SIII LWB diesel wgn
    86 RR 'classic'......99 Range Rover P38a
    94 Defender 110..95 Defender 130 Ute
    96 D1 300TDi.......99 D2 TD5 (current)
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