3-year cost calculator
Pre-filled for FRRouting → Arista Networks. Adjust every figure with your own numbers.
Every figure here is an illustrative estimate, not a vendor quote. Defaults are editable starting points compiled from public information; real, binding pricing comes from the vendor or an authorized distributor. See our methodology.
Recommended for your requirements: Size for 25G access / 100G uplinks across 100 devices. Confirm ASIC is on the target NOS HCL; plan spine/leaf with N+1 and validate BGP/EVPN scale.
All figures are illustrative and fully editable — adjust the cost-per-device and migration inputs with your own numbers. Not guaranteed vendor pricing (defaults reviewed May 2026). For a binding quote, use the request form below to reach an authorized distributor or partner.
Quick comparison: FRRouting vs Arista Networks
Common trade-offs teams weigh when staying on FRRouting versus moving to Arista Networks. These are general, commonly-reported considerations — not statements of fact about any vendor — so check them against your own contract and the vendors' current terms.
- Already in production — no migration effort or risk
- Established and already integrated in your stack
- Re-evaluating cost, support, or strategic fit
- Commercial option with vendor support and SLAs
- Cost model: Per-device + EOS subscription
- Requires a migration (~12 weeks, low effort)
- Per-device + EOS subscription cost
Why teams evaluate alternatives to FRRouting
Reasons commonly cited by users and in public industry coverage for re-evaluating FRRouting. These are general, reported considerations — not statements of fact about FRRouting / LF — and may not reflect your situation or the vendor's current terms. Verify against your own contract before deciding.
- Re-evaluating cost, support terms, or strategic fit.
The migration plan
Roughly 12 weeks for a mid-size estate, in six phases.
Tooling & automation
Validate hardware compatibility, convert device configs to the open NOS, pilot in a lab and a non-critical pod, then migrate fabric incrementally with rollback configs ready.
OffVendor's wizard pre-fills these scripts with your environment — inventory export, disk/schema conversion, bulk provisioning, and validation.
Frequently asked
Is migrating from FRRouting to Arista Networks worth it?
For most teams facing rising FRRouting costs, yes — Arista Networks (per-device + eos subscription) typically lowers 3-year total cost of ownership, though the right answer depends on workload complexity and in-house skills. Use the calculator to model your own numbers.
How long does a FRRouting to Arista Networks migration take?
A typical mid-size estimate is around 12 weeks across six phases — discovery, design, pilot, waved production migration, validation, and decommission. Larger or more complex estates take longer.
What tools are used to migrate from FRRouting to Arista Networks?
Validate hardware compatibility, convert device configs to the open NOS, pilot in a lab and a non-critical pod, then migrate fabric incrementally with rollback configs ready.