Hello,I've recently been asked to configure a new site to site VPN between one of our offices and a remote customer site, They have an external IT provider so thought this would be a doddle but its proving troublesome The equipment used at my end: Ci...

Hi, I'm having a bit of a strange issue getting a single GRE tunnel to come up between my head office and a remote site. I'll be the first to admit, I'm quite new to new to setting up vpn's and the like so forgive me if I'm missing anything painfully...