Ethernet Routing: Home Network Best Network Route

[talksr]

Hi there, this is a personal question for my own home network.

 

I have done my best to draw it out (don't make fun out of me!)....

 

 

I have a CCTV system I installed myself. Two IP cameras on the side of the house, both have an ethernet lead which runs up into the loft where they connect directly into the back of the DVR which has it's own POE ethernet. From there, they go to a switch in the loft which is connected to a powerline adaptor. The other powerline adaptor is in the cupboard where my "fibre" broadband (copper fibre) socket is. From the powerline, it goes back to an ethernet switch and then to the router which also has wireless. The router assigns DHCP to everything, there are no static addresses anywhere and the default gateways for all network equipment is the router as assigned by DHCP.

 

My question is.... if I wanted to install a computer which connects to the CCTV DVR solely to display the CCTV like you would ordinarily do with an HDMI cable to a screen but in this case a connection via a browser showing a live feed.... would there be any benefit to me connecting said computer to the loft switch? Would the connection be more direct in terms of data transfer?

Obviously at the moment, my house has sockets in all rooms but not the loft. Any hardwired ethernets go back downstairs where the cupboard where the phone line is which means at the moment, all CCTV DVR connections are getting through via the PowerLine adaptor.

 

I am wondering if I plugged an ethernet into the loft switch (which is directly connected to the CCTV dvr) and put a laptop on the other end. Would the laptop still connect through to powerline down to the router, then all the way back up to get the CCTV feed on a browser?

 

My PowerLine adaptors are 2 x Netgear PLP1200-100UKS 1200MBPS and all of my switches and devices are 1gbps ethernet.

 

Thanks in advance for any expertise!

[XiJ]

I wouldn’t see that it would make much difference where you plug a computer in. I guess the slowest link would be the power line.

 

Does the dvr have browser access (ie a built in web server)? You could simply use a smart Tv with browser or a pc on a stick that connect to a Tv using hdmi to display a live feed.

[mavhc]

It won't go down to the router and back again

[talksr]

It won't go down to the router and back again

 

Thank you. I wondered if this would be the case. In that case, it would make sense to connect via the switch in the loft for a more direct connection.

[mavhc]

Yeah, if they're on the same https://en.wikipedia.org/wiki/Broadcast_domain then it'll go directly, one device sends a broadcast asking where 192.168.0.11 is, and it responds, so then they communicate via their MAC addresses. If it were on a different vlan, or ip range, then there would need to be a layer 3 device that could route the packets from one broadcast domain to another.