pfSense Fundamentals and Advanced Application
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Users
Sites
Deployment time
Product
Two pfSense CE VMs on vSphere replaced with two dedicated Netgate 8200 MAX appliances
Full migration, configuration, and handover completed within one working day
HA instability resolved; network flapping eliminated
IPsec VPN, OpenVPN, and traffic shaping configured and live
Gräfe und Unzer (GU) is one of Germany’s most established and recognizable publishers. Founded in 1722 and based in Munich, GU is the market leading guidebook publisher in Germany, known particularly for its cookbooks and lifestyle titles covering food and drink, health, gardening, pets, and travel.
Operating from a single Munich site with 150 users, GU depends on reliable network infrastructure for its publishing, editorial, and distribution operations. When their existing pfSense CE virtual machine setup began causing HA instability, the decision was made to move to dedicated on-site hardware. ESBYTE, a Munich-based Netgate Premier Partner with over 11 years of experience, was brought in to carry out the migration.
GU had been running pfSense CE across two virtual machines on vSphere, configured in high availability (HA) mode. In practice, the setup was operating on only one of the two HA nodes, causing network flapping and increasing the risk of unplanned downtime. GU chose not to investigate the root cause in the virtualized environment, and instead opted to move to dedicated physical hardware.
The two pfSense CE VMs on vSphere were not functioning as intended in HA mode, due to underlying server resource constraints, resulting in recurring network flapping.
The virtual machine setup meant GU’s network firewall was tied to the underlying server infrastructure. Becoming independent of those servers was a primary aim of the migration.
For a publishing house managing editorial workflows, supplier relationships, and customer orders, preventing network downtime was a business priority.
ESBYTE migrated GU from their two pfSense CE virtual machines to two Netgate 8200 MAX appliances running pfSense Plus, deployed on-site at GU’s Munich office. The project was led by Hagen Herrschaft, ESBYTE’s CTO, and completed within a single working day. Hardware sizing and capabilities were agreed upon during a pre-sales discussion between ESBYTE and GU, ensuring the appliances were correctly specified to meet GU’s requirements before deployment.
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Purpose-built hardware replaced the virtual machine setup, eliminating dependency on the underlying server infrastructure and resolving the HA instability.
GU moved from pfSense CE to pfSense Plus, gaining enterprise-grade firewall, routing, and network management capabilities on dedicated hardware.
Secure VPN tunnels configured to various service providers, maintaining GU’s connectivity to external partners and systems.
Remote access for home based staff and road warriors, keeping the team connected from any location.
Bandwidth management configured to ensure consistent network performance across GU’s 150 user sites.
The full migration, including configuration and handover, was completed within one working day with minimal disruption.

The network flapping caused by the virtual HA setup no longer occurs. Both physical appliances operate as intended.
GU’s firewall and network environment is now fully independent of the servers that previously hosted the virtual machines.
While dedicated hardware has different performance characteristics than the VM resources it replaced, it is more than sufficient to meet all of GU’s requirements. This was confirmed during the pre-sales process with ESBYTE.
IPsec VPN, OpenVPN, and traffic shaping were configured and operational from the moment the migration was complete.
The entire migration was live within one working day, with consistent support from ESBYTE throughout.
The full migration, including configuration and handover, was completed within one working day with minimal disruption.
Founded in 1722 and based in Munich, Gräfe und Unzer (GU) is the market-leading guidebook and lifestyle publisher in Germany. GU publishes across cookbooks, healthy eating, health and wellness, home and garden, pets, travel, and more.
With over 300 years of publishing history, GU is one of the most trusted and recognizable publishing brands in the German-speaking market.
ESBYTE is an IT service provider, process consulting partner, and Netgate Premier Partner based in Munich, Germany. With over ten years in the market and as a Netgate partner, ESBYTE supports small and medium-sized businesses across Germany and the surrounding region.
Their services include network infrastructure, process consulting, external IT support and helpdesk services, as well as pfSense Plus and TNSR deployment and management.
Netgate develops pfSense software-based routers that deliver enterprise-grade networking, security, and flexibility across commercial, government, and remote applications. With over 10 million installs worldwide, Netgate delivers network security that is accessible, affordable, and built on open standards.
pfSense Plus is Netgate’s enterprise-grade firewall and routing software platform, combining advanced firewall filtering, VPN capabilities, multi-WAN load balancing, IDS/IPS, and detailed traffic management in an intuitive web interface. Deployed on purpose-built Netgate hardware or in virtualized environments, pfSense Plus is trusted across industries for reliable, scalable, and secure networking.