Setting up a Router & Switch for internet access

Hi all,
I need help setting up internet access on my cisco router.
It's a Cisco 2600, this is the setup.
I have a Cisco 3560 switch, and 5 clients connects to this switch.
I have one vlan defined VLAN 5.
I have a trunk port between the router and the switch.
My question is how to setup internet access between my switch and router?
Please if you can send config commands? I am not that fimiliar with router setup.
I know I need to setup a routing protocol, but need to know the command for that.

Hi,
You need to nat on the 2600 router and you need a default route on the router.
How is router connected to WAN ?
Have you got multiple vlans on the switch? Is the switch doing routing or is it Layer2 ?
Post your config so that we can give you the missing commands
Regards
Alain
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