Cisco & Meraki specialists. Across the UK.
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Meraki Auto VPN Design

Plan Meraki Auto VPN for site connectivity, considering subnet advertising, tunnel topology, upstream connectivity and the applications crossing each path.

Cisco Partner since 2009 Projects & ongoing support

Illustrative enterprise Cisco network rack in a modern office environment
Your network. Properly considered.Design · Implementation · Support
1,000+

Devices supported
across the UK

20+

Client locations
supported

Nearly 8 Tbps

Traffic handled
at peak time

3 min

Average
response time

Average response is not a resolution time or a contractual guarantee. Support scope and response commitments are agreed for each engagement.

Meraki Auto VPN design sets which sites exchange traffic and which networks each can reach. Automatic tunnel setup saves some work, but the design still needs site roles, address checks and security rules. We plan those choices around app paths and recovery needs. The records state what each link is meant to carry.

01

The whole path

Understand how sites, providers, cloud networks and security controls fit together.

02

Resilience that can be tested

Separate a second circuit from genuine end-to-end service resilience.

03

Provider coordination

Keep addressing, routing and escalation ownership clear across organisations.

Map the networks and their owners

We start with the sites, subnets and apps that need private network access. The inventory includes office LANs, shared services, data-centre networks and relevant cloud setups. We confirm who controls the dashboard organisation, the internet circuits and any upstream routing or firewall devices at each location.

Addressing conflicts are investigated early. Two sites using the same private network may require a deliberate migration or another supported design before their apps can communicate reliably. We do not assume that an automatically established tunnel can distinguish overlapping destinations without an appropriate addressing and routing arrangement.

Illustrative Cisco and Meraki network rack in a modern office
01The office network: switching, uplinks and structured cabling.
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Choose hub and spoke roles deliberately

The topology should reflect where services are located and which sites need to communicate. A hub-and-spoke design can suit centrally hosted apps, while other supported arrangements may be appropriate for different traffic patterns. We review the consequences for latency, capacity and the dependency on central locations.

Hub choice includes more than appliance capability. Internet network access, upstream routes, power and local support all affect the service. A second hub offers limited resilience if it depends on the same provider or cannot reach the apps needed during an outage. The design records those shared dependencies and the expected degraded behaviour.

Illustrative Cisco and Meraki fibre network rack with structured cabling
02Fibre, switching and the physical path behind the service.

A useful starting point

Not sure where to start?

Bring the requirement. We will help you define the engineering work.

Talk to a specialist

Define advertised networks and access policy

We specify which local networks participate in the VPN and which should remain local or restricted. Route availability is compared with the customer's segmentation needs. Advertising a subnet makes it a routing candidate. It does not by itself establish that every remote user or site should be allowed to access it.

Firewall and other supported policy controls are therefore reviewed alongside route advertisement. Guest networks, management interfaces and operational systems may need different treatment. We document approved exceptions and test the actual paths rather than assuming a general private VPN connection is an adequate security boundary.

Illustrative Cisco and Meraki network operations centre with monitoring displays
03Visibility, monitoring and operational control.

Verify internet and traversal prerequisites

Auto VPN depends on suitable underlying network access and the supported platform's establishment mechanisms. We review addressing, upstream NAT, firewall behaviour and provider restrictions that can affect tunnel formation. The actual rollout is checked against current Meraki guidance, especially where sites sit behind extra security devices or unusual internet services.

An edge being online in dashboard does not prove its private tunnels are working as intended. We check the relevant network access separately and record the evidence needed when a provider change affects it. This helps support engineers distinguish cloud-management reachability from the paths carrying business app traffic.

Illustrative Cisco and Meraki equipment in a modern data-centre aisle
04Resilient infrastructure from rack to service path.

Plan routing beyond the MX

At a hub or cloud endpoint, traffic may need to reach networks behind other routers or firewalls. We examine those routes and the return path to remote sites, including any dynamic routing integration supported by the chosen mode and release. A tunnel ending at the MX does not complete the app path beyond it.

Route preferences and alternative paths require careful treatment. We compare the intended design with Meraki's documented routing behaviour rather than importing assumptions from an unrelated Cisco router setup. Where multiple technologies provide reachability to the same destination, the owner and preferred path are made clear.

Illustrative Cisco and Meraki data-centre network infrastructure
05Network infrastructure designed around the workloads it carries.

Test normal operation and loss of a path

Acceptance testing covers representative site-to-site apps, DNS and authentication dependencies. We check the expected networks and policy decisions from actual endpoints. Where safe, we test an uplink or hub failure and observe how the app recovers, including any interruption to established sessions.

Restoration is tested as well. A preferred path returning should not create unexplained oscillation or send traffic through an unapproved security route. The record names the scenarios exercised, the capacity available after failure and any assumptions that still rely on vendor documentation rather than direct testing.

Illustrative enterprise Cisco network rack in a modern office environment
06Enterprise switching and routing, built to be operated.

Make future site additions predictable

The handover includes the topology, advertised-network register, hub dependencies and operational contacts. New branches should follow the same review of addressing, permitted access and transport readiness instead of being added solely because dashboard makes the action straightforward. Monitoring needs to identify reduced resilience before the remaining path also fails.

MCI can design a new Auto VPN setup or review a current Meraki SD-WAN estate with unclear routing or recurring tunnel faults. Share the site list and the apps that must communicate. We can establish a supported topology and a test plan that shows the service, rather than counting tunnel status as the complete result.

Illustrative Cisco and Meraki network rack in a modern office
07The office network: switching, uplinks and structured cabling.

Technical references

Illustrative Cisco and Meraki fibre network rack with structured cabling
08Fibre, switching and the physical path behind the service.

Talk to a specialist

What does your network need next?

Tell us what you are planning, changing or trying to improve. We will help define a practical next step and the engineering scope.

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