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Posted

Just looking for a little Cisco help here.

 

I want to implement a BYOD network on our school network, we have a Smoothwall firewall at the front of the network.

 

What i want to do is have the BYOD traffic on its own subnet 10.116.0.0/16 and route directly to the Smoothwall interface it has on 10.116.0.1

 

The rest of the network has a default route (multiple subnets via their DG) to 0.0.0.0 10.115.79.253

 

I have DHCP and DNS working fine to the Smoothwall interface as these are on the same subnet, but traffic is routing via the subnet gateway of 10.116.255.254 when it needs to get to the internet, then onto the 0.0.0.0 10.115.79.253, so traffic from the BYOD network is routing onto the other subnets.

 

What i want traffic on this subnet to do is go directly to the Smoothwall interface setup for BYOD and never go onto the other subnets,

 

So basically what rule to i need to set on the vlan to tell traffic to basically go to 10.116.0.1 instead of going off the subnet.

 

The only way i can think of doing this at the minute is to remove the ip from the vlan but this then allows students to change their IP's on their mobile devices and mess about.

 

Any ideas?

Posted (edited)

Im not sure I sure what you mean If I am honest.

 

But what I would do is have a Smoothwall interface dedicated for the job (either physical or dot 1q Vlan interface) connect this to a new Layer 2 vlan on your Cisco network. Smoothwall then hands out the addresses via DHCP (after configuring it) with the default gateway as the Smoothwalls dedicated BYOD interface IP on that Layer 2 vlan only.

 

Its the easiest and probably most secure way to set it up. You don't need to touch routing on any of your Cisco devices.

 

This is the way we set it up for our schools and works a treat.

Edited by FN-GM

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