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NETWORK · TRIANGLE ROUTER TOPOLOGY

Triangle Router Topology Diagram Examples

Explore practical triangle router topology diagrams for building resilient, multi-path network cores. These examples show how to connect three routers in a full-mesh topology to eliminate single points of failure and enable fast failover.

4 EXAMPLES· UPDATED 2026-09-21
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NETWORK DIAGRAM

Data Center Triangle Router Topology with Firewall DMZ and BGP

NETWORK DIAGRAM

Redundant Campus Triangle Core with Dual Uplinks

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Triangle Router Topology with Dual ISPs and OSPF Failover

NETWORK DIAGRAM

Triangle Router Topology

ABOUT

About these examples.

Whether you’re designing a campus core, data center edge, or WAN with dual ISPs, these diagrams illustrate common patterns for OSPF, BGP, and redundant connections. Use them as a starting point for your own network documentation, or launch the generator to create a custom diagram in minutes.

HOW TO

Make one yourself.

  1. 1

    Start with a blank canvas or template

    Open the network diagram tool and select a triangle router topology template to modify, or start from scratch.

  2. 2

    Add three routers and full-mesh connections

    Place three router nodes and draw bidirectional links between each pair to form a triangle.

  3. 3

    Label links and configure protocols

    Annotate each link with IP addresses, OSPF areas, BGP AS numbers, or failover priorities.

  4. 4

    Style and export

    Apply colors, icons, and line styles to highlight redundancy, then export as PNG, SVG, or embed in docs.

  5. 5

    Review redundancy and document

    Double-check that each router has two independent paths and add notes for failover behavior.

FAQ

Frequently asked questions

What is a triangle router topology?01
A triangle router topology connects three routers in a full mesh, with a direct link between every pair. This provides redundancy: if one link fails, traffic can reroute through the third router, minimizing downtime.
Why use a triangle router topology instead of a simple star?02
A star topology has a single point of failure at the central router. A triangle topology eliminates that by ensuring no single link or router failure isolates any segment. It's common for campus cores and WAN edge designs.
Can I create a triangle router topology diagram with ChatDiagram?03
Yes, ChatDiagram's network diagram tool supports router icons, custom labels, and connection styles. You can start from a template or create one from scratch.
What protocols are typically used in a triangle router topology?04
Common protocols include OSPF, which can use ECMP across the three links, or BGP for external connectivity. The topology also supports HSRP/VRRP for gateway redundancy.
How do I export my diagram for documentation?05
You can export your diagram as a high-resolution image or embed it in wikis and docs. The tool also supports sharing a live link for collaboration.
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