Connect. Secure. Manage.
Hybrid Cloud Routing Design
Design routing between Cisco networks and cloud environments, addressing overlapping ranges, route control, inspection points and operational ownership.
Devices supported
across the UK
Client locations
supported
Traffic handled
at peak time
Average
response time
Average response is not a resolution time or a contractual guarantee. Support scope and response commitments are agreed for each engagement.
Hybrid cloud routing design joins on-site networks and cloud systems through planned addresses, routes and security rules. We check the path in both directions, including what changes during a failure. Cisco and Meraki integration follows the supported cloud design. Clear records help the team understand where traffic should go and investigate faults as the setup grows.
The whole path
Understand how sites, providers, cloud networks and security controls fit together.
Resilience that can be tested
Separate a second circuit from genuine end-to-end service resilience.
Provider coordination
Keep addressing, routing and escalation ownership clear across organisations.
Build a complete addressing picture
We inventory office, data-centre, cloud and relevant partner prefixes before choosing the routing arrangement. Acquisitions, test setups and independently created cloud networks can introduce overlapping addresses that are not visible in one team's documentation. Those conflicts need a deliberate resolution rather than a collection of routes that cannot distinguish the destinations.
The address plan includes growth and ownership. A new cloud subnet should not accidentally duplicate a branch range because the two teams use separate spreadsheets. We set out the source of truth and the review process for allocating prefixes, including any translation required where renumbering is not immediately practical.
Standards & partnerships
Confidence in the team behind your network.
Cisco Partner
Cisco Meraki
Cyber Essentials
Cyber Essentials PlusMCI Network Services is operated by Proxar Ltd. Certifications apply to the certified legal entity and the scope of its certificates. View accreditation information
Identify the routing domains and boundaries
On-premises routers, cloud gateways, virtual appliances and provider services may each make forwarding decisions. We map those domains and identify how routes move between them. Static entries, BGP exchange and cloud route propagation should have clear purposes and owners rather than coexist as unexplained alternatives.
The design records the expected routes at important points and the policy governing their import or export. A broad default or summary can simplify a table while sending traffic toward a path that cannot actually reach every destination it covers. We assess those consequences before treating fewer route entries as an automatic improvement.
A useful starting point
Not sure where to start?
Bring the requirement. We will help you define the engineering work.
Keep segmentation consistent across environments
Production, development, management and other trust zones may need separation both locally and in the cloud. We examine where routes are deliberately shared and which security control governs the resulting connection. Separate routing contexts do not prove isolation if a common gateway or firewall permits unrestricted transit between them.
Shared infrastructure is handled clearly. DNS, identity, monitoring and backup services may need access across several setups, but their needs should not justify broad network access between every workload. We set out the relevant exceptions and link them to service owners and review points.
Different environments. The same care.
Built around the work
your network supports.
Finance, banking and the wider private sector. We start with the systems and people that depend on your connections.
Finance & banking
Market-data paths, routing and provider coordination on clients’ behalf.
Financial-market services ↗Offices & multi-site teams
Reliable access between people, workplaces and business applications.
Office network design ↗Data centres & cloud
Network boundaries, workload connections and operational ownership.
Data centre networks ↗Design return paths and stateful inspection
A working route from a branch to a cloud app is only half the connection. We trace the return path and any translation or stateful security devices along it. Cloud route tables and on-premises preferences can create asymmetry even when both sides appear to have valid routes.
Where central inspection is required, the design checks that traffic actually traverses it during normal and alternative routing conditions. A failover path that bypasses enforcement can restore reachability while violating the intended security model. We make those path differences visible before rollout.
Separate private connectivity from encryption
Private circuits and internet-based VPNs have different properties and dependencies. We find the encryption need and the supported mechanism used on each path, rather than describing every private connection as encrypted by default. Application-layer protection may remain necessary regardless of the network transport.
The choice also affects capacity, monitoring and recovery. A backup VPN may have different throughput or packet-size constraints from the primary private service. Routing preference should account for the service the alternative can actually provide, not only whether a neighbour or tunnel is currently up.
Plan route changes and failure behaviour
The architecture defines how preferred paths are chosen, withdrawn and restored. We examine common dependencies across providers, gateways and virtual appliances, then identify which failures require automatic recovery and which need an operational decision. Fast route changes are useful only when the resulting path is valid and the app can use it.
Migration introduces extra risk because old and new domains may coexist. We limit temporary redistribution and route leaks, record their purpose and set removal criteria. The final design should not depend on a transition policy that nobody revisits after the initial cutover succeeds.
Test with application and infrastructure owners
Acceptance compares expected route information with representative end-to-end workflows, including DNS and identity dependencies. We test approved and restricted paths and exercise agreed failures where safe. The record names what was observed and which scenarios remain design assumptions rather than checked recovery.
MCI can prepare a hybrid routing architecture or review an inherited setup with conflicting paths. Our cloud network connectivity services provide the wider integration scope around it. Share the network inventories, cloud diagrams and important apps so we can establish routing that is understandable across teams, with clear ownership of the boundaries where most hybrid-network problems arise.
Technical references
- Azure hybrid connectivity design — Microsoft
- Azure hub-and-spoke architecture — Microsoft
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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