If at first you don’t succeed; call it version 1.0

This seems such a basic concept now but I remember when I was first trying to figure this out and it actually drove me nuts!?
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Setup is a little different than normal VLAN configurations as we cannot use the usual ‘vlan database’ commands. In this scenario I want to configure FastEthernet 0/1 as VLAN 70, FastEthernet 0/2 as VLAN 77 and then GigabitEthernet 0/1 as a Trunking port.
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Very handy when needed to monitor traffic. For full details on Cisco SPAN (Switched Port Analyzer) check here. This configuration will allow us to monitor FastEthernet 0/16 from FastEthernet 0/24.
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A pain in the arse when trying to figure this out but hey. Documentation on on ‘ip inspect‘ can be found here. Firstly you will need to create an extended access-list to point to your internal VPN server, in this scenario it is located at 10.1.12.7. FastEthernet1 is internal and FastEthernet0 is external.

access-list 101 permit gre any host 10.1.12.7
access-list 101 permit tcp any host 10.1.12.7 eq 1723
access-list 101 permit ip any any

You will then need to apply that access-list to your internal interface
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