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Networking

All articles tagged with #networking

Weird Wi‑Fi Saboteurs and How to Beat Them
technology2 days ago

Weird Wi‑Fi Saboteurs and How to Beat Them

BBC’s feature explains that Wi‑Fi can be disrupted by quirky, everyday culprits—from microwaves (2.4 GHz) and water in fish tanks causing ‘shadowing’ to dense walls and signal reflections off mirrors or metal surfaces, with weather affecting outdoor infrastructure; practical fixes include central, high router placement, using 5 GHz where possible, and deploying extenders or mesh networks to eliminate dead zones.

TP-Link Bets on Wi‑Fi 8, Rolling Out Archer 8 Ahead of Final Standard
gadgets1 month ago

TP-Link Bets on Wi‑Fi 8, Rolling Out Archer 8 Ahead of Final Standard

TP-Link confirms an October 2026 release for its first Wi‑Fi 8 router, the Archer 8, and teases a Deco 8 mesh system, Roam 8 travel router, and 2027 range extenders as the Wi‑Fi 8 standard remains unfinished. Early testing shows measurable gains over Wi‑Fi 7—up to ~33% higher throughput at longer distances, ~24% more throughput with stabilization tech, and better 5GHz/6GHz sensitivity—plus multi-AP coordination to reduce interference. But with certification still pending and many features likely missing when the standard is finalized, buyers may end up with a device that’s quickly superseded; older devices will not automatically benefit from the new tricks.

Macs face periodic network freeze due to kernel timer wrap
technology3 months ago

Macs face periodic network freeze due to kernel timer wrap

A macOS XNU kernel timer wraps after 49 days, causing TCP connection cleanup to fail and effectively halting networking on affected Macs until they are restarted. Most users won’t hit the 49‑day window, but servers and long‑running Mac workflows can, so a restart restores connectivity and is recommended until Apple releases a fix. Photon documented the bug and says Apple is working on a remediation.

AirSnitch flaw breaks Wi‑Fi client isolation across homes and enterprises
security4 months ago

AirSnitch flaw breaks Wi‑Fi client isolation across homes and enterprises

Researchers call AirSnitch a cross‑layer Wi‑Fi attack that undermines client isolation at Layers 1–2, enabling bidirectional man‑in‑the‑middle traffic across guest networks, home, and enterprise setups. The technique can intercept and alter traffic, steal cookies and credentials, and DNS data, potentially even when HTTPS is used. It affects a wide range of devices from major vendors and may require hardware changes; some updates exist, but the recommended defenses include VPNs and moving toward zero‑trust networking. In practice, users should be cautious on unknown public APs and consider tethering via mobile data or trusted VPNs until fixes are widely deployed.

Cisco launches AI-optimized Silicon One chip to outpace peers in data-center networking
technology5 months ago

Cisco launches AI-optimized Silicon One chip to outpace peers in data-center networking

Cisco unveiled the Silicon One G300 switch chip, built on TSMC’s 3‑nm process, with “shock absorber” features to reroute data in microseconds and speed AI training/inference across massive data centers by about 28%. Slated for sale in the second half of 2026, the chip aims to win share in the AI infrastructure market by competing with Broadcom’s Tomahawk and Nvidia’s networking offerings amid a roughly $600 billion AI-spend boom.

Cisco Surpasses Earnings Expectations and Raises Revenue Outlook
business8 months ago

Cisco Surpasses Earnings Expectations and Raises Revenue Outlook

Cisco's stock surged over 7% after reporting better-than-expected earnings, with revenue of $14.88 billion and a significant $1.3 billion in AI infrastructure orders, signaling strong growth driven by AI investments and a rebound in networking sales. The company also provided optimistic guidance for the next quarter and full year, despite some declines in security and collaboration segments.