Remote access VPNs are used to provide secure access to the corporate network by establishing an encrypted tunnel across the Internet. These connections are available any time and can be established using any access technology, for example DSL or cable broadband connections. It is important to eliminate problems with these technologies prior to troubleshooting at the higher layers, unless you are certain that there are no Layer 1 or Layer 2 issues. Some of the more common remote access VPN troubleshooting targets include the following:
- Client authentication issues
- Layer 3 misconfigurations
- Mismatched parameters The content below this message is for members only.