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Fenouillard
Aspiring Contributor
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Message 1 of 20

increasing the no of router ports

I connected a Netgear switch GS205 to my Home Hub 3 to increase the no of ports. I am now getting a message on an app that I want to connect saying the network is unstable. Any suggestions to rectify this?

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Distinguished Sage
Distinguished Sage
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Message 2 of 20

Re: increasing the no of router ports

@Fenouillard 

Have you made sure that only one port of the home hub is connected to the switch?

Which app is giving you the error?

Its possible you may have accidentally created an Ethernet loop. This can happen if you have a device which is bridging LAN and wireless connections together.

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Fenouillard
Aspiring Contributor
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Message 3 of 20

Re: increasing the no of router ports

Hi Kate

 

yes only one port is connected to the switch. The app that is sending me the message is HIK Connect for CCTV

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Fenouillard
Aspiring Contributor
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Message 4 of 20

Re: increasing the no of router ports

Hi Keith 

 

Thanks. Wry much for your response. I’m not clear about the concept of an Ethernet loop. The CCTV has a receiver in my loft. It is connected via  a TP Link to a second TP Link connected to my router. Im getting a message that the app is offline and that the network is unstable. 

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Distinguished Sage
Distinguished Sage
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Message 5 of 20

Re: increasing the no of router ports

By TP Link, do you mean TP Link powerline adapters?

If so, do you have any other powerline adapters in use as well?

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V_Meldrew
Recognised Expert
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Message 6 of 20

Re: increasing the no of router ports

The GS205 is a good unmanaged device and I very much doubt that it is the cause of the problem.

If I interpret your last post correctly, you have 2 x TP link routers connected over their ethernet ports? if this is true then the most likely cause of your problem is that you have 2 x DHCP servers running on the network running the risk of IP Address clashes, you need to disable (turn off) one of them

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Fenouillard
Aspiring Contributor
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Message 7 of 20

Re: increasing the no of router ports

Hi Keith

yes I have two powerline adaptors to take my signal from the first floor office down to the sitting room for my TV

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Fenouillard
Aspiring Contributor
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Message 8 of 20

Re: increasing the no of router ports

Thanks V Meldrew

 

as I’m not very technical what are DHCP servers? 

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Distinguished Sage
Distinguished Sage
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Message 9 of 20

Re: increasing the no of router ports


@Fenouillard wrote:

Hi Keith

yes I have two powerline adaptors to take my signal from the first floor office down to the sitting room for my TV


That could be the issue. You must only ever have one powerline adapter connected to the home hub, any other ones must be paired from that single one, as shown on this page.

Important - Using powerline adapters or broadband extenders

That would also apply to any connections to the Ethernet switch, so only one master powerline adapter on your network.

Your CCTV link would come back to that same master unit.

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V_Meldrew
Recognised Expert
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Message 10 of 20

Re: increasing the no of router ports

DHCP  (Dynamic Host Configuration Protocol) server is the thing built into your router which allocates IP addresses to your devices.

Just like a postman needs your postal address to deliver your letters, so a router needs to know where to find your PC, Mobile etc. Each IP address is unique to each device but if you have two DHCP servers running then you run the risk of duplication.  

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