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El blog de Townsend Networks
Información práctica para compradores de hardware: tiempos de entrega, fechas de fin de vida útil, el cálculo del costo total del equipo reacondicionado y lo que de verdad importa en el mercado secundario. Escrito por quienes prueban este equipo todos los días.
Juniper EX3400 end of life: the dates and what they mean
Juniper announced the EX3400 end of life on 10/30/2026. Last order, end of engineering, the last software version and end of support.
Lea el artículoCisco ASA SSL VPN Flaw Is Being Exploited: What to Do
Cisco and CISA say a crafted SSL VPN request can reload an ASA that uses secondary authentication. Who is exposed and the fixed releases.
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Juniper EX4600 End of Life: Last Order December 29, 2026, Support to 2031
Juniper announced EX4600 end of life on June 29, 2026 (TSB109286): last order December 29, 2026, software fixes to 2029, support to December 29, 2031.
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Juniper MX240 and MX480 End of Life: Which Parts and Bundles Are Retired
The Juniper MX240 and MX480 chassis carry no end-of-life notice. Their Premium3 bundles, early routing engines, first power supplies and fan trays do.
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Arista 7280R and 7280R2 End of Life: Every Date From Arista's Notices
Arista 7280R and 7280R2 dates from Arista's own notices: the 7280CR-48 reaches end of life November 22, 2026, and R2 software fixes end December 20, 2026.
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Cisco ASA 5508-X and 5516-X After End of Support: What Changed on August 31, 2026
Cisco ASA 5508-X / 5516-X: end of sale August 2, 2021. Support ended August 31, 2026. The maker dates, what they change, and what we list.
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Arista 7050SX3-48YC8 End of Sale: Last Order December 31, 2026, Support to 2031
Arista 7050SX3-48YC8 / 7050SX3-48C8: end of sale December 31, 2026. Support ends December 31, 2031. The maker dates, what they change, and what we list.
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Juniper MX Routing Engines: RE-S-1800X4 End of Support and the RE-S-X6
Juniper RE-S-1800X4 routing engines: end of sale June 30, 2021. Support ended June 30, 2026. The maker dates, what they change, and what we list.
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Arista 7060CX, 7060CX2 and 7060SX2 End of Sale: Dates and Replacements
Arista 7060CX / 7060CX2: end of sale October 1, 2026. Support ends October 1, 2031. The maker dates, what they change, and what we list.
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Ruckus ICX 7150 End of Sale: Which Models and When
Ruckus ICX 7150 (24, 24P, 48, 48P, 48PF): end of sale March 10, 2025. The maker dates, what they change, and what we list.
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Cisco Nexus 93180YC-EX and 9372 End of Life: Where Each One Stands
Cisco Nexus 93180YC-EX: end of sale August 9, 2022. Support ends August 31, 2027. The maker dates, what they change, and what we list.
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Juniper EX2300 End of Life: End of Sale September 30, 2026, Support to 2031
Juniper EX2300: end of sale September 30, 2026. Support ends September 30, 2031. The maker dates, what they change, and what we list.
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Cisco Catalyst 2960-X After End of Sale: Support Ends October 31, 2027
Cisco Catalyst 2960-X: end of sale October 31, 2022. Support ends October 31, 2027. The maker dates, what they change, and what we list.
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Juniper QFX5100 End of Support: 2027 Dates for the 24Q, 48S, 48T and 96S
Juniper QFX5100 (24Q, 48S, 48T): end of sale July 1, 2022. Support ends July 1, 2027. The maker dates, what they change, and what we list.
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Juniper MX204 End of Life: Last Order June 15, 2027, Support to 2032
Juniper MX204 (MX204-HW-BASE): end of sale June 15, 2027. Support ends June 30, 2032. The maker dates, what they change, and what we list.
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Juniper EX4300 End of Sale: Dates for the 24 and 48 Port Models, the 32F and the 48MP
Juniper EX4300 (24P, 24T, 48P, 48T): end of sale March 31, 2024. Support ends March 31, 2029. The maker dates, what they change, and what we list.
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Cisco ASR 1001-X and ASR 1002-X End of Life: Support Ends July 31, 2027
Cisco ASR 1001-X / ASR 1002-X: end of sale August 1, 2022. Support ends July 31, 2027. The maker dates, what they change, and what we list.
Leer más →Airflow Suffixes Explained: Arista -F and -R, Juniper AFO and AFI
The same switch is sold with air moving in two opposite directions, and the only clue is a letter or three at the end of the part number. What -F, -R, AFO and AFI mean, how to pick the right one for your rack, and why the fans and power supplies must all match.
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Ruckus ICX 7150 vs ICX 7250: Choosing a Campus Access Switch, and Reading the Part Number
Two 1U Ruckus (formerly Brocade) access switches that look alike on a spec sheet. The real differences are the number of 10GbE uplinks, fanless models, and how the uplinks were licensed, which the part number tells you if you know how to read it.
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Juniper MX204 vs MX304: Which Edge Router to Buy Refurbished
Both are compact Juniper MX edge routers. One is a 1U, 400 Gbps fixed box; the other is a 2U, 4.8 Tbps modular chassis with 400GbE ports and routing-engine redundancy. How to pick, and what to check before buying either one refurbished.
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The AI Buildout Is Squeezing Enterprise Switch Supply: What It Means for Your Refresh
Hyperscalers are absorbing switch silicon and optics capacity at a record pace. Here's what the AI data-center boom means for enterprise lead times, pricing, and how to plan a refresh around it.
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Cisco End-of-Life Deadlines, 2026-2028: What's Expiring and What to Do About It
ASA 5506-X, 5508-X and 5516-X support ended August 31, 2026, and the Catalyst 3650's last day of support was October 31, 2026. A field guide to the Cisco last-day-of-support dates through 2028, and the migrate, sustain, or sell decision for each.
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Refurbished vs. New in 2026: The Real TCO Math for Network Hardware
Refurbished enterprise gear typically runs 40-90% below list. Even Cisco's own remanufactured line prices 25-70% under. The honest TCO comparison: where the savings are real, where new still wins, and how to avoid the counterfeit trap.
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Wi-Fi 7 and 800G Are Here. Here's What a Mid-Size Enterprise Actually Needs
Wi-Fi 7 APs are shipping from every major vendor, and 800G optics dominate the AI headlines. A practical guide to which upgrades matter for a mid-size network in 2026, and the switch-layer costs nobody puts on the first slide.
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Decommissioning a Rack? How to Turn Retired Network Gear into Budget
Retired switches and routers are an asset, not a disposal problem. What holds value in 2026, why timing beats haggling, and the data-sanitization and chain-of-custody standards to demand before anything leaves the building.
Leer más →¿Está renovando o dando de baja equipo?
Hardware empresarial probado y con garantía, en existencia ahora, y ofertas en efectivo por el equipo que está retirando. Cada cotización la responde una persona.