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Re: Additional switch breaks network performance/connectivity
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* central FTTH router (DHCP server) - connection to the internet
is connected to:
* 8-port unmanaged GB switch from Netgear (my central switch)
connected to that are:
1. HP microserver (running linux/SMB) (GBit-LAN)
2. linux sat receiver (enigma2-box) (GBit-LAN)
This configuration works since the beginning very well. Transfer rates are close to theoretical maximum. On the sat receiver you can do multiple parallel HD-recordings or do an HD-recording and watch another movie in HD (no problem).
Any help appreciated
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Hi williwow,
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Re: Additional switch breaks network performance/connectivity
Hi williwow,
Welcome to the community! 🙂
Let us try to isolate the problem. Kindly answer the questions below:
a. What is the model of the 8-port unmanaged Gigabit NETGEAR switch you used as your central switch?
b. What version is your GS105 switch?
c. Have you tried to reboot the GS105 switch switch while its still connected to the patch panel then check if same problem occurs?
d. Kindly try to swap the 8-port unmanaged Gigabit NETGEAR switch you use as your central switch with the GS105 switch. Use the GS105 switch as your central switch. Then, connect the 8-port unmanaged Gigabit NETGEAR switch to the patch panel then check if same problem occurs. Does same problem occur after swapping the switches?
I look forward to your response.
Regards,
DaneA
NETGEAR Community Team
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Re: Additional switch breaks network performance/connectivity
Hi DaneA
thanks for the suggestions. I will check for the model and do the tests you proposed (exchanging the central 8-port switch ist difficult as all ports are wired, but I have another identical in my home-office which I will use for replacing the 5-port device).
Thanks again and I will follow up with the results and details (it will take maybe 1-2 working days).
Williwow
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Re: Additional switch breaks network performance/connectivity
Hi DaneA,
I made some investigations as suggested and results are:
* 8-port-switch is GS108v3
* 5-port-switch is GS105v5
Transfer tests:
* on both switches I obtain a file transfer speed close to 100 MByte
Problem analysis:
* replacing the problematic GS105 with the GS108 works, so the line of devices_working_ is:
HP microserver --> GS108 --(wired connection with two plugs/patchpanel in house)--> GS108 --> dreambox-sat-receiver WORKS!
* re-substituting the second GS108 (same cables being used) with the GS105 shows again the problems described (not working)
Current workaround is to use the GS105 in my home office (but I am out of ports on this - and hoping there will be no future problems)) and use the GS108 for my dreambox (just 2 ports used thus wasting 6 ports!).
Do you have any suggestions? I don't think the GS105 is broken, but the GS108 does the trick?
thanks!
Williwow
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Re: Additional switch breaks network performance/connectivity
Hi williwow,
Just to verify, you have also tried using another GS105 switch from your home office? Does same problem occur on the other GS105 switch?
For me, since the GS105 is also an unmanaged switch just like the GS108v3, it should also work.
Regards,
DaneA
NETGEAR Community Team
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Re: Additional switch breaks network performance/connectivity
Hi DaneA,
no - I am out of switches 🙂
Prior to the GS105 I tried this model from D-Link: DGS-105/E 5-Port Layer2 Gigabit Switch. As this switch showed the problems described I sent it back to the seller and purchased the more expensive Netgear GS105 hoping that it would perform well. Unfortunately the GS105 showed the same problems. I have no other device to test on. It's very strange that the GS108v3 works whereas the GS105v5 in this configuration not.
Now I am using the GS105 in my home office and the GS108v3 connected to the dreambox receiver. Everything is fine, but it is not satisfying that the root cause is still unclear. Maybe the v5 models have a latency problem? The throughput in my home office setting is OK.
Thanks
Williwow
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Hi williwow,
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Re: Additional switch breaks network performance/connectivity
Hi DaneA,
Good idea - it will take me some time to do this analysis and forward it to support. For the time being I will close this thread, and thanks for your immediate and good suggestions! (Basically the idea of swapping the switches kept me going again).
thanks
Williwow