Business networks and VPN

Outsourced management of business networks, Wi‑Fi and VPN

Design, troubleshooting and long-term management of LAN, VLAN, Wi‑Fi, firewalls and remote access for offices and business premises across the Olomouc Region and surrounding area. I provide remote network management where the infrastructure allows it.

Let’s talk Indicative pricing

Network mapNetwork perimeterTopology

Managed elements

Business LAN and IP addressing

VLANs and network segmentation

Wi‑Fi coverage and roaming

LAN, VLAN and Wi‑Fi

Addressing, DHCP, DNS, segmentation of business, guest and smart devices, and access point coverage design.

Firewall, VPN and branch offices

Rules between segments, secure remote access, site-to-site VPN, routing and branch office connectivity without unnecessarily exposed services.

Monitoring and troubleshooting

Monitoring the availability of devices and lines, throughput measurement, packet tracing and finding the causes of outages, packet loss or slow connections.

Domains under watch

Firewall and security rulesguarded

User VPN and branch office connectivityconnected

Routing, monitoring and outage troubleshootingdiagnosed

The map shows the course of network management - from design and segmentation through the secure perimeter and VPN to monitoring and diagnostics. On the left the elements the administrator manages, on the right the domains kept under watch.

I design the network around how the building is actually used.

First I review the topology, cabling, addressing, interference and the rules between devices. Only then does it make sense to replace network devices, adjust coverage or separate parts of the network.

Signs that your network needs a professional check

Instability is often not caused by a single fault. Problems can result from a combination of poorly placed access points, incorrect segmentation, an overloaded line and rules that nobody understands any more.

The Wi‑Fi has dead spots or devices keep dropping the connection
Branch offices or remote users have an unstable VPN
Guests and internal devices share the same network
During an outage, it is unclear which device or provider has failed

What does managing a business network, Wi‑Fi and VPN involve?

In practice

Managing a business network covers the design and ongoing review of how workstations, servers, printers, phones, cameras, guests and remote users communicate with each other. The foundation is an overview of the topology, addressing, network devices and firewall rules. Depending on the risks, traffic is separated using VLANs, and secure Wi‑Fi, a VPN with restricted permissions and monitoring of availability and load are set up. When problems occur, it is not just signal strength that gets measured; interference, capacity, roaming, cabling, DHCP, DNS and the path to the specific service are checked too. Changes are documented and critical devices have a configuration backup. The goal is predictable connectivity that does not open unnecessary paths between devices and can be expanded safely.

What to consider when deciding

An on-site visit is appropriate for measuring coverage, checking cabling, replacing network devices or tracking down a physical fault; firewall configuration, VPN and monitoring can often be managed remotely. The price depends on the number of sites and devices, the coverage you need and the quality of the existing documentation. Before buying more access points, it pays to confirm the cause of the problem - new hardware alone will not fix poor placement or an unsuitable channel. For networks with guests, production or sensitive data, segmentation matters too.

Areas of business network management

The scope can range from a one-off diagnosis to ongoing monitoring of network devices and connectivity.

Business LAN and IP addressing
VLANs and network segmentation
Wi‑Fi coverage and roaming
Firewall and security rules
User VPN and branch office connectivity
Routing, monitoring and outage troubleshooting

Business networks and VPN - what to prepare for the initial diagnosis

For the initial diagnosis, a floor plan or a simple sketch of the premises helps, along with the number of users and devices, the models of the router, firewall, network switches and access points, and a description of where the problem occurs.
Say whether the network is used by guests, cameras, production, telephony or remote workers, and what internet connection is available.
Before the configuration is changed, administrator access and a backup of the current settings are needed.
When measuring Wi‑Fi, it helps to know the specific time and the device on which the fault appears.

The exact scope and price can only be set based on the environment, the available information and the impact of a potential outage. The full process from first contact to handover is described on the How I work page.

A network with a clear structure and traceable rules.

After the work, you are left with a documented topology, addressing and configuration of key devices. The next time a problem occurs, it is quicker to determine whether the cause lies in the connection, the Wi‑Fi, the firewall, DNS or an end device.

A documented topology, addressing and network devices
Separate segments for business, guest and untrusted devices
Secure remote access and branch office connectivity
Documented firewall rules, routing, DNS and DHCP

Indicative prices from the price list

Ad hoc IT job: from CZK 1,100/hour
Basic regular IT management: from CZK 2,500/month

Full price list

In the client’s words

“Mr Vodička proposed a better placement of the access points and set up the network to provide reliable coverage in the outdoor areas as well. An internet connection is now available everywhere we need it.”

Translated from Czech.

Case study

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Frequently asked questions - Network management

What does outsourced network management include?

Outsourced network management includes an overview of the topology and network devices, documentation of addressing, management of the firewall, Wi‑Fi, VLANs and VPN, configuration backups, monitoring and incident handling. The scope can cover a single office or interconnected branch offices.

How do you find the cause of a slow or unstable network?

I check the topology, cabling, addressing, line utilisation, Wi‑Fi interference, DNS, routing and firewall rules. The aim is to tell apart a problem with the connection, a network device, the configuration or an end device.

Can you connect branch offices and remote workers via VPN?

Yes. I design both remote access for users and site-to-site VPNs between branch offices. Access is limited to the systems that are needed and the configuration stays documented.

Do you also deal with Wi‑Fi coverage and roaming?

Yes. I review access point placement, interference, channels and the conditions for devices moving between access points. The design is based on the real space and how the network is used.

Not sure where to start? Describe the situation.

A few sentences about what is not working or what you need are enough. I will reply with a suggested first step and an estimate of the scope.