Use a port on each switch as "passthru" without contact with the network on the other ports
Hey guys!
I'm a bit stumped here...
I have 2 switches, one in each floor of the house. (TL-SG108E)
In the basement, I have 2 "routers" - one for internet, one for TV. The problem is that I only have 1 cable running between the floors. So, what I'm trying to achieve is:
The switches are connected via port 1 on both swithces.
Having all computers, access-point etc. connected to the switch on the 1st floor, ports 2-7. The TV-decoder is connected to port 8.
In the basement, the switch is connected to the internet router, misc. computers, printers etc. on ports 2-7 as well, and port 8 is supposed to go into the TV router (a separate box).
Now, here's my challenge - how do I (if it's possible) configure the switches so that port 8 on both of them are totally separated from the rest of the ports, so I can connect the TV-decoder to the TV-router using port 8 on both switches? Port 8 can not talk to the other ports or anything connected to these in any way, has to be totally separated. Sort of a substitute for running a second cable between the floors so the TV-decoder can be plugged into the TV-router.
Is this at all possible using VLAN?
Much appreciated - thanks!
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Dear @PepsiMax,
how do I (if it's possible) configure the switches so that port 8 on both of them are totally separated from the rest of the ports, so I can connect the TV-decoder to the TV-router using port 8 on both switches? Port 8 can not talk to the other ports or anything connected to these in any way, has to be totally separated. Sort of a substitute for running a second cable between the floors so the TV-decoder can be plugged into the TV-router.
Please refer to the configuration example below to configure it.
https://www.tp-link.com/support/faq/788/
Note: follow Example 2 from the guide above.
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@Fae: Thanks for your reply!
I tried that - unfortunately it didn't work, that is what stumps me :-) I tried both port based VLAN and 802.1Q.
With port based, the decoder wasn't able to connect at all (connection-indicator on decoder stayed red)
With 802.1Q, i first tried adding port 8 on both switches to VLAN101. I then got a TV-signal stream thru, but no pure data (decoder uses this to get stored content). I suspect this is because it was still on VLAN1 where there also is a Nest router, so it picks up the IP address from that. This is sort of what I would have expected.
I then tried removing port 8 from VLAN1 altogether, only keeping it on 101, but then the TV-signal stream also dropped out. This is the configuration that - in my head - should have worked.
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Dear @PepsiMax,
With 802.1Q, i first tried adding port 8 on both switches to VLAN101. I then got a TV-signal stream thru, but no pure data (decoder uses this to get stored content). I suspect this is because it was still on VLAN1 where there also is a Nest router, so it picks up the IP address from that. This is sort of what I would have expected.
Do you add the port 1 on both switches to VLAN101?
So Port 1 and Port 8 on both switches are added to VLAN101, Port 1 tagged, Port 8 untagged.
The PVID of Port 8 on both switches are set to 101, leave the PVID of other ports as default 1.
Remove Port 8 from VLAN1 on both switches. Save and done.
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@Fae Hello again, and thank you for your reply!
No, port 1 is not in VLAN101, as only port 8 on both switches are connected to decoder and router respectively.
Yes, like I mentioned in my previous post, I tried removing port 8 from VLAN101 on both switches, that's when everything went totally black, not even the tv-stream any longer.
Or am I misunderstanding you here?
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@Merryworks Thank you kindly for chipping in :-)
Ok, so here are the settings on both switches now:
https://prnt.sc/vg94tc
https://prnt.sc/vg953v
No TV-stream, no data connection :-(
With these settings:
https://prnt.sc/vg98tk
I get image, but no data-connection:
https://prnt.sc/vg9jjx
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@Merryworks All "normal" data, yes - but there's a separate data-stream for the TV-signal from the LAN-port on the router so this is where it needs to get the data from, totally separate.
(The decoder is supposed to be connected directly into that LAN-port on the router, which works - so this is what I'm trying to achieve, just that it has to go thru the same switch-cable-switch as the other "normal" network devices.) Port 8 from the one switch is connected to this LAN-port.
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@PepsiMax Trying to work this out and may play with it some, but what if you tag port1 as 101 on switch 2?
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