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LAN Default Gateway.

Hello everyone,

I have a question about what are the advantages/disadvantages of setting my switch vlan IP as the default gateway for my LAN network (subnet 1) and not the firewall IP?



                           
internet --- firewall --- switch |-------- subnet 1
                             

                              |-------- subnet 1
internet --- firewall --- switch
                                     
Thanks
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J30A4
Asked:
J30A4
1 Solution
 
djStraTTosCommented:
Do you want to explain a bit more why would you like to do something like that, to use the switch IP and not the routers?
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J30A4Author Commented:
Later on down the road we will be adding more subnets.
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Ken BooneNetwork ConsultantCommented:
That is exactly the reason to do that.  You don't need to send a bunch of internal traffic to the firewall if you don't need to. Some firewalls will prevent you from doing this anyway.  So it is good practice to set up a layer 3 device inside the firewall if you have it and then use this for the gateway.  I always see companies that use the firewall IP and then later they bring in an addition service, add subnets, other vendor connections, etc.. and then they have to re-do things.
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