Microsoft Azure ‘Route Based’ VPN to Cisco ASA
Feb13

Microsoft Azure ‘Route Based’ VPN to Cisco ASA

KB ID 0001515 Problem This covers the, (more modern) Route based VPN to a Cisco ASA that’s using a VTI (Virtual Tunnel Interface).   Virtual Network Gateway Options With VPN’s into Azure you connect to a Virtual Network Gateway, of which there are TWO types Policy Based, and Route Based. This article will deal with Route Based, for the older Policy Based option, see the following link; Microsoft Azure To Cisco ASA Site to...

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Microsoft Azure To Cisco ISR Router Site to Site VPN
Jul19

Microsoft Azure To Cisco ISR Router Site to Site VPN

KB ID 0001220  Problem Last week I was having problems getting a VPN up from a client’s Cisco ASA into Azure. This was because the Azure estate was using ‘route-based’ or a ‘dynamic routing VPN’. See the following article; Azure to Cisco VPN – ‘Failed to allocate PSH from platform’ So the firewall was a non-starter, but Cisco ISR routers are supported, and they can handle virtual tunnel interfaces...

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