GRE Tunnels without IPSEC risks.

[Maps1 <maps1 () btinternet com>]

Hi List,

Our network guys have been implementing wireless access points in a remote office, which will then use a GRE VPN link 
back to our main office to connect to the wireless controller. 

In other remote offices where we have full WAN links back to the main office, we have configured the APs to use IPSEC 
tunnels for this communication. Unfortunately, these don't seem to work through the VPN GRE tunnels used in the smaller 
offices.

Please could someone help me to understand the risks (if any) involved in setting the AP communication to not use IPSEC 
tunnels, but to rely on the encryption on the GRE VPN tunnel instead?

Thanks!

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