layer 2 or Layer 3

I have to build a 10g backbone  network  for building that will have to support  Network access  Wifi network  Car park  system and  security camara system.

The Core switch is Ciso 6509E  with  8 Netgear  S3300-52X  access layer switches.
The each system will have its own VLAN and subnet

Vlan 2 Car Park system
Vlan3   Wifi
Vlan 3  Security Samara
Vlan4    User access
Vlan5    Netops
WHats the best way to logically connect  the access layer switches  to the core switch ? The physical  connection will be fibre.

I was thinking OSPF for  routing. should I just use layer 2  to trunk the Vlans to each switch ?
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Bryant SchaperCommented:
This all depends on a few things, will the VLANS be talking to each other?  I is easy to just truck the vlans, and do all the routing at the switch. Might even be easier as you are mixing cisco and netgear.  How many devices are we talking about.

On the core switch you will have your interface to truck all, then at the netgears you can selectively truck as needed and set the ports to access ports on specific vlans.

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Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
I guess what Bryant meant to say is TRUNK and not TRUCK.  If there will be communications between the  VLANs and there is video then I would suggest layer-3 if your router has a slow interface and also you want to keep router just for communication between your WAN connections.

With layer-3, routing will be performed at the switch level and it will be more efficient as well as secure and robust that using a router providing you have a router that is serving other functions.  Ultimately it comes down to price and performance.
thombieAuthor Commented:
The Vlans will not be talking  to each other. I will be using the loopback interface in the cisco to manage it.  Not user of the Netgear support layer 3  trunking
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Bryant SchaperCommented:
sorry, yes trunk.  Either model works, and their benefits to layer 3 at the switches.  I like the KISS model for my networks when possible.
thombieAuthor Commented:
Whats the kiss model
Bryant SchaperCommented:
Keep It Simple, Stupid

In real life, don't add complexity if you don't need to

more of principle
thombieAuthor Commented:
good advice
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