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Thread: Problem with my network

  1. #1
    The Irish Drunk! neonplanet40's Avatar
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    Question Problem with my network

    Hey guys,

    Basically im up at university and to connect to the internet i connect a cat 5 lead to a box on the wall and then to a network slot on my motherboard which is a Asus P5K Premium/WiFi-AP. Now a few weeks or so ago i built a home server which i also have at uni for the meantime while i get it up and running etc.

    I connected a router to the cat 5 slot on the wall and then got 2 network leads (1 for my server and 1 for my computer) and connected them to the router. I could browse the internet for a bit but having problems with it now. However if i just connect my computer with a cat 5 lead from the computer to the wall it works fine.

    So seeing as my motherboard has 2 network slots. I thought, well why not use one for the internet and the other to connect via the router to my server. This isn't working though

    If i disable the other network slot on my motherboard the internet works fine but not if its on with the router connected.

    Is there no way i can get both to work at the same time? I would like to be able to browse the internet as usual as well as connect to my server.

    Any Ideas?

    Thanks guys

    Mark
    Home Entertainment =Epson TW9400, Samsung 65" HDTV, Denon AVRX6300H, Panasonic DPUB450EBK Ultra HD Blu-Ray and Monitor Audio Silver RX 7.0, Monitor Audio CT265IDC(x4) Dolby Atmos and XTZ 12.17 Sub - (Config 7.1.4)
    My System=Gigabyte X470 Aorus Gaming 7 Wi-Fi, AMD Ryzen 7 2700X, Patriot 16 GB DDR4 3200MHz, 256GB Crucial SSD, Kingston 256GB SSD and 500GB Samsung F3, Palit GTX1070 GameRock Edition , Enermax Liberty 620W, Akasa Eclipse-32,Dell 2715H & Dell U2311H
    Home Server 2/HTPC - Ryzen 5 3600, Asus Strix B450, 16GB Ram, Gigabyte 1660 Super, Corsair TX550, Kodi with MadVR & Nvidia Shield Pro (4K)
    Diskstation/HTPC - Synology DS2415+ with 47TB
    Portable=Microsoft Surface Pro 4, Huawei M5 10" & HP Omen 15 laptop

  2. #2
    Splash
    Guest

    Re: Problem with my network

    Ok - first things first how are you connecting to the internet? I would assume you were setup as

    Code:
       INTARWEB
          |
       ROUTER
          |
         / \
       /     \
    PC      SERVER
    is that right? You just have me concerned at the bit about using both NICs. In the above setup your internet *should* work fine, as your router will be performing routing between your PC, the server and the internet. If you have some kind of funky setup whereby you're routing your internet access via the server you need to make sure that it's setup for NAT, and make sure your gateway is set correctly

  3. #3
    The Irish Drunk! neonplanet40's Avatar
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    • neonplanet40's system
      • Motherboard:
      • Gigabyte X470 Aorus Gaming 7 Wi-Fi
      • CPU:
      • Ryzen 7 2700X
      • Memory:
      • Patriot 16 GB DDR4 3200 MHz
      • Storage:
      • 256 Crucial MX100 +Kingston 256GB SSD and 500GB Samsung F3
      • Graphics card(s):
      • Palit nVidia 1070Ti Rockgamer
      • PSU:
      • OCZ 650W
      • Case:
      • Akasa Eclipse-32
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • Dell 27" U2715H & Dell 23" U2311H
      • Internet:
      • 60MB

    Re: Problem with my network

    I am trying the setup above splash but it isnt working. When i try that the internet wont connect. It's only when i just do this

    INTARWEB
    |

    |
    /
    /
    PC

    That it works. Not sure why it is. :S
    Home Entertainment =Epson TW9400, Samsung 65" HDTV, Denon AVRX6300H, Panasonic DPUB450EBK Ultra HD Blu-Ray and Monitor Audio Silver RX 7.0, Monitor Audio CT265IDC(x4) Dolby Atmos and XTZ 12.17 Sub - (Config 7.1.4)
    My System=Gigabyte X470 Aorus Gaming 7 Wi-Fi, AMD Ryzen 7 2700X, Patriot 16 GB DDR4 3200MHz, 256GB Crucial SSD, Kingston 256GB SSD and 500GB Samsung F3, Palit GTX1070 GameRock Edition , Enermax Liberty 620W, Akasa Eclipse-32,Dell 2715H & Dell U2311H
    Home Server 2/HTPC - Ryzen 5 3600, Asus Strix B450, 16GB Ram, Gigabyte 1660 Super, Corsair TX550, Kodi with MadVR & Nvidia Shield Pro (4K)
    Diskstation/HTPC - Synology DS2415+ with 47TB
    Portable=Microsoft Surface Pro 4, Huawei M5 10" & HP Omen 15 laptop

  4. #4
    Splash
    Guest

    Re: Problem with my network

    My bet is that you have both the server and the router acting as DHCP server, which is causing issues in terms of which is acting as the gateway. Can you disable the DHCP server on one of them (or verify what I'm saying)?

    EDIT - aha - I just spotted that you took the router out of the equation to get it to work... Did you have to register your PCs MAC address with IT at your Uni? If so is it possible to spoof this MAC address on the router? This isn't guaranteed to work, and if the IT guys at Uni find out (which they eventually will...) they may not be too happy. If they ARE limiting by default to one MAC it might be possible to get more registered either officially or in exchange for beer (the universal currency).

  5. #5
    The late but legendary peterb - Onward and Upward peterb's Avatar
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    Re: Problem with my network

    Dis your uni take the MAC address of the computer when you signed up for the service? If so they may have locked the port so it only works with that MAC address - if your router supports Mac spoofing, spoff it to the MAC of the computer's NIC.
    (\__/)
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  6. #6
    The Irish Drunk! neonplanet40's Avatar
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    • neonplanet40's system
      • Motherboard:
      • Gigabyte X470 Aorus Gaming 7 Wi-Fi
      • CPU:
      • Ryzen 7 2700X
      • Memory:
      • Patriot 16 GB DDR4 3200 MHz
      • Storage:
      • 256 Crucial MX100 +Kingston 256GB SSD and 500GB Samsung F3
      • Graphics card(s):
      • Palit nVidia 1070Ti Rockgamer
      • PSU:
      • OCZ 650W
      • Case:
      • Akasa Eclipse-32
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • Dell 27" U2715H & Dell 23" U2311H
      • Internet:
      • 60MB

    Re: Problem with my network

    Hi guys its working again now. Problem will stop later lol. The university didnt give me anything to connect to the internet. I just stuck the lead in and away it went. No registering or anything. Our halls internet is run be an outside isp called Greendog internet. So its not actually run by the university.
    Home Entertainment =Epson TW9400, Samsung 65" HDTV, Denon AVRX6300H, Panasonic DPUB450EBK Ultra HD Blu-Ray and Monitor Audio Silver RX 7.0, Monitor Audio CT265IDC(x4) Dolby Atmos and XTZ 12.17 Sub - (Config 7.1.4)
    My System=Gigabyte X470 Aorus Gaming 7 Wi-Fi, AMD Ryzen 7 2700X, Patriot 16 GB DDR4 3200MHz, 256GB Crucial SSD, Kingston 256GB SSD and 500GB Samsung F3, Palit GTX1070 GameRock Edition , Enermax Liberty 620W, Akasa Eclipse-32,Dell 2715H & Dell U2311H
    Home Server 2/HTPC - Ryzen 5 3600, Asus Strix B450, 16GB Ram, Gigabyte 1660 Super, Corsair TX550, Kodi with MadVR & Nvidia Shield Pro (4K)
    Diskstation/HTPC - Synology DS2415+ with 47TB
    Portable=Microsoft Surface Pro 4, Huawei M5 10" & HP Omen 15 laptop

  7. #7
    Splash
    Guest

    Re: Problem with my network

    Interesting. In that case I go back to my theory that your server is running DHCP, which is in conflict with the router's DHCP server and that you should disable one or the other.

  8. #8
    The Irish Drunk! neonplanet40's Avatar
    Join Date
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    • neonplanet40's system
      • Motherboard:
      • Gigabyte X470 Aorus Gaming 7 Wi-Fi
      • CPU:
      • Ryzen 7 2700X
      • Memory:
      • Patriot 16 GB DDR4 3200 MHz
      • Storage:
      • 256 Crucial MX100 +Kingston 256GB SSD and 500GB Samsung F3
      • Graphics card(s):
      • Palit nVidia 1070Ti Rockgamer
      • PSU:
      • OCZ 650W
      • Case:
      • Akasa Eclipse-32
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • Dell 27" U2715H & Dell 23" U2311H
      • Internet:
      • 60MB

    Re: Problem with my network

    How do you do that? :S sorry for being noob but i dont even know what DHCP is...
    Home Entertainment =Epson TW9400, Samsung 65" HDTV, Denon AVRX6300H, Panasonic DPUB450EBK Ultra HD Blu-Ray and Monitor Audio Silver RX 7.0, Monitor Audio CT265IDC(x4) Dolby Atmos and XTZ 12.17 Sub - (Config 7.1.4)
    My System=Gigabyte X470 Aorus Gaming 7 Wi-Fi, AMD Ryzen 7 2700X, Patriot 16 GB DDR4 3200MHz, 256GB Crucial SSD, Kingston 256GB SSD and 500GB Samsung F3, Palit GTX1070 GameRock Edition , Enermax Liberty 620W, Akasa Eclipse-32,Dell 2715H & Dell U2311H
    Home Server 2/HTPC - Ryzen 5 3600, Asus Strix B450, 16GB Ram, Gigabyte 1660 Super, Corsair TX550, Kodi with MadVR & Nvidia Shield Pro (4K)
    Diskstation/HTPC - Synology DS2415+ with 47TB
    Portable=Microsoft Surface Pro 4, Huawei M5 10" & HP Omen 15 laptop

  9. #9
    Splash
    Guest

    Re: Problem with my network

    DHCP is Dynamic Host Configuration Protocol, or "the thing that gives your computer an IP address and stuff". Your router will be doing it by default (and performing Network Adress Translation, which allows you to take one public IP address and sit more than one machine behind it with private addresses) and if your server is also doing it you will get conflicts.

    Interestingly though I just had a quick search and WHS doesn't serve DHCP in it's default config, so it's unlikely to be that.

    Can you confirm if this works with your PC going into the router, then the router to the wall socket? What make/model is this router?

  10. #10
    The Irish Drunk! neonplanet40's Avatar
    Join Date
    Oct 2003
    Location
    Stirling
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    • neonplanet40's system
      • Motherboard:
      • Gigabyte X470 Aorus Gaming 7 Wi-Fi
      • CPU:
      • Ryzen 7 2700X
      • Memory:
      • Patriot 16 GB DDR4 3200 MHz
      • Storage:
      • 256 Crucial MX100 +Kingston 256GB SSD and 500GB Samsung F3
      • Graphics card(s):
      • Palit nVidia 1070Ti Rockgamer
      • PSU:
      • OCZ 650W
      • Case:
      • Akasa Eclipse-32
      • Operating System:
      • Windows 10 Pro
      • Monitor(s):
      • Dell 27" U2715H & Dell 23" U2311H
      • Internet:
      • 60MB

    Re: Problem with my network

    The router is a netgear DG834G v3. I know tis ****e lol. I havent changed any settings on the router at all. At the minute all is still working.

    INTARWEB
    |
    ROUTER
    |
    / \
    / \
    PC SERVER

    Maybe it will last this time?
    Home Entertainment =Epson TW9400, Samsung 65" HDTV, Denon AVRX6300H, Panasonic DPUB450EBK Ultra HD Blu-Ray and Monitor Audio Silver RX 7.0, Monitor Audio CT265IDC(x4) Dolby Atmos and XTZ 12.17 Sub - (Config 7.1.4)
    My System=Gigabyte X470 Aorus Gaming 7 Wi-Fi, AMD Ryzen 7 2700X, Patriot 16 GB DDR4 3200MHz, 256GB Crucial SSD, Kingston 256GB SSD and 500GB Samsung F3, Palit GTX1070 GameRock Edition , Enermax Liberty 620W, Akasa Eclipse-32,Dell 2715H & Dell U2311H
    Home Server 2/HTPC - Ryzen 5 3600, Asus Strix B450, 16GB Ram, Gigabyte 1660 Super, Corsair TX550, Kodi with MadVR & Nvidia Shield Pro (4K)
    Diskstation/HTPC - Synology DS2415+ with 47TB
    Portable=Microsoft Surface Pro 4, Huawei M5 10" & HP Omen 15 laptop

  11. #11
    Splash
    Guest

    Re: Problem with my network

    Login to your router and check the DHCP table - you should see an entry for both your PC and the server - is that right?

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