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Setting up Network Correctly

Posted on 2010-11-17
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Last Modified: 2012-06-21
Hi
Please excuse my ignorance but i do not have a great knowledge of networks.
This is my problem, I have the following equipment.

1.Cable broadband connectd to ZyXEL NBG-460N 802.11n Wireless Broadband Router
2. Cat 5e cable from router to Cisco SLM2008 8-Port Gigabit Smart Switch (situated in downstairs room)
3. Cat 5e cable from Cisco SLM2008 8-Port Gigabit Smart Switch to Linksys SLM2024 24-port 10/100/1000 Gigabit Smart Switch (situated in loft)

Now ive bought some hardware to see if I can set up hdmi over ip!!!!!!!

My first question is although I have a Cat5e cable from 8 port back to 24 port switch I have not set the connection, do I need to set up a static link?.

Secondly I need to set up a vlan on my switches I can go to a web view of the switch and set a number i.e vlan2 and then set each port to be a member of that vlan. Can the vlan be on the same port as the static link? or do i have to set up another port? and all ports go through the static link?.

Sorry if I havent been clear but hopefully someone can help
Many Thanks
Andy
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Question by:samandrew
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by:Ernie Beek
ID: 34154437
Hi Andy,

'I have not set the connection, do I need to set up a static link?' I'm not sure what you mean there, could you elaborate?

Second: Why do you need a vlan, do you want to seperate the hdmi over ip from the rest. Or is it another reason?
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by:samandrew
ID: 34154476
Hi
I have placed the cat 5e cable between the 2 switches (do I need to do anymore or is this the connection made?)

Apparantly you need to seperate the hdmi over ip by vlan
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by:Ernie Beek
ID: 34154518
For the two switches you don't need to do anymore they are now connected (I assume it's all still default on the switches, no fancy configuration changes) and form one network.

On the vlan, was there some form of explanation why it should be in a seperate vlan? I'm famaliar with vlan's but not that familiar with hdmi over ip though.....
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Author Comment

by:samandrew
ID: 34154562
Hi
have a look at this please
http://www.hdmi-over-ip.co.uk/hd-ip-system-examples.html

Thanks
Andy
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Author Comment

by:samandrew
ID: 34154619
Hi
Sorry this is the unit i have purchased (Cablesson)

http://ehdmi.co.uk/tag/cablesson/

Thanks
Andy
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by:Ernie Beek
ID: 34154639
Ok, got it (cooooool by the way :)

So, for this to work you have to make sure all the vlans can traverse from the switch downstairs to the one upstairs (and vice versa). For that you need to 'trunk' the ports which interconnects the switches (this means that all the vlans can travel through it).
I don't know how much bandwidth this hdmi/ip uses, but keep in mind that the uplink between the switches can become a bottleneck: If one hdmi connection uses half a gigabite and you have four of them you have 2GB. The uplink is only 1GB.......
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by:samandrew
ID: 34154771
Hi

Ok i think I am getting it so do I trunk the ports from the 8port switch or do I do this on both switches maybe like this?
http://www.smallnetbuilder.com/lanwan/lanwan-howto/30556-how-to-set-up-switch-link-aggregation

So if i use port number 2 on my 8 port switch do I also set up a vlan on this port? to include all ports on the switch which I will use?

Many Thanks
Andy
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by:Ernie Beek
ID: 34154834
Keep in mind that link aggregation and trunking are two different things.

Linkaggregation combines multiple ports to one uplink with their combined speed (2 port aggr. = 2Gb, 3 port = 3Gb, etc.)

Trunking is enabling multiple vlans over a port (or aggregated link).

So you should be able to combine the two techniques.
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Author Comment

by:samandrew
ID: 34154919
Hi
Now im confused!!!!!!!!!!!!!!!!!!!!
So if I set up a trunk say from port number 2 on my 8 port switch to port number 1 on my 24 port switch do i then set up each remaining port on my 8 port switch as vlans or set the vlan on port 2 to include all other ports?

Thanks
Andy
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by:samandrew
ID: 34154933
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by:Ernie Beek
ID: 34155063
Looks like it.

You set up the trunk over the link between the two switches. So if you have connected port number 2 on your 8 port switch to port number 1 on your 24 port switch, you enable trunking on those two ports.

The other ports you can assign to any specific vlan for whatever you are using it, quote:

'For example, you could have Sky+HD on one VLAN, a Blu-ray player on another VLAN, a HD Games Console on another, and so on. It is possible to control which VLAN a Display Receiver views by adjusting the port configuration of the Managed Ethernet Switch.'

So you have Sky+HD on VLAN2, a blueray on VLAN3. So the port(s) you want to use for Sky+HD you configure with VLAN2 and the ports you want to use for bluray you configure with VLAN3.

Am I making any sense to you?
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Author Comment

by:samandrew
ID: 34155148
Yes think im getting it, on each port I set a vlan number for each input(sky, bluray player, media box etc) and then on my second switch I choose which port i want to send the input to and add that to the same vlan group?

But could i not make each port or input have a vlan group which includes all ports that way on my second switch I would set the same and each lan outlet would be able to pick up all inputs?

Thanks
Andy
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by:Ernie Beek
ID: 34155303
You mean trunking all ports and let the 2G receiver pick the right VLAN....

-Don't know if they are able to do that.
-the whole idea of setting up the vlans is to limit the amount of traffic to each port. If you trunk all the ports, all the data of all the vlans is sent out over all ports. That's kinda overloading your network.
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by:samandrew
ID: 34155433

So does this mean I can only have 1 vlan at any 1 reciever so i cant flick between devices so my reciever can only accept 1 vlan at a time, if this is the case I might try a yamaha amp with 4 hdmi inputs and 1 hdmi output that way if i configure a harmony remote as the yamaha amp i should be able to get 4 inputs over the 1 vlan?
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Ernie Beek earned 500 total points
ID: 34155762
As far as I can see from the link you gave me those receivers aren't able to switch between vlans. That means you can set only one vlan on a port that is connected to a 2G receiver.

For the rest, now I am getting confused.....

But I think I understand, you use the remote to switch between inputs so then it's:

input1->output or
input2->output or
input3->output or
input4->output

If that is the case then that should work.
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Author Comment

by:samandrew
ID: 34157179
Hi

Yes thats what I will try.

Thank you for all your help

Andy
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