On Mon, 16 May 2022 at 13:57, Paul Brennan <paul.bren...@airband.co.uk> wrote:
> Good Afternoon > > > > Has anyone ever had any issues from customer unable to connect to > Santander Bank App? > > > > We are using CG-NAT extensively throughout our network and whilst a lot of > banking apps play nicely with this. I’ve have mixed anecdotal feedback as > to the efficacy of static IP addressing when it comes to ‘fixing’ this > issue. > > > Depends how sticky your CGNAT client mapping configuration is. Many banking apps (certainly Santander) will log the customer session out if they see a connection from a different IP. If consecutive TCP connections from the customer could get different public IP source addresses then they will almost certainly see issues. -- Rob Pickering, r...@pickering.org
