Description - Users and applications are unable to connect using a VPN client, or internal routing over a site-to-site VPN tunnel has failed or is intermittent.
Indicators of this issue - VPN clients fail to connect. Application access or monitoring is down.
VPN client configurations are using old DNS records or IP addresses for the VPN server or internal applications.
Site-to-site VPN configuration or firewall policy has not been updated to use the new Bigleaf-provided IP addresses.
Internal websites, monitoring tools, or applications were not migrated from old legacy IP addresses to new Bigleaf-provided IP addresses.
Tests and Solutions
Perform a full audit and reconfiguration of all services and applications from legacy IP addresses to the new Bigleaf-provided IP addresses.
Refer to the topic “LAN devices cannot resolve DNS hostnames” for DNS related reconfiguration and issues.