Data Center 归档 - 第3页共5页

Microbursts explained: millisecond congestion, why average utilisation hides them, how shared buffers behave under contention, and what to tune.

admin 2026-10-02

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Design an out-of-band management network: console server sizing, dual power, separate paths, static addressing and the access controls that matter.

admin 2026-10-02

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StackWise Virtual on Catalyst 9300 and 9600: how the virtual switch link works, why dual-active detection is mandatory, and the configuration steps.

admin 2026-10-02

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How EtherChannel and LACP hashing works: the inputs used, why a single flow stays on one member link, and how to pick and verify a hash algorithm.

admin 2026-10-02

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QSFP-DD versus OSFP compared: size, thermal headroom, backward compatibility, which switches accept which, and how to choose for 400G and 800G.

admin 2026-10-02

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TIA-568 structured cabling rules for network engineers: 90 m permanent link, 100 m channel, bend radius, untwist limits, and TIA-606 labelling.

admin 2026-10-02

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Plan enterprise IPv6 addressing: the /48 to /64 hierarchy, interface-ID choices, ULA policy and the aggregation rules that keep routing sane.

admin 2026-10-01

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How DPUs offload networking, storage and security: BlueField architecture, DOCA services, OVS hardware offload, and when a DPU pays for itself.

admin 2026-10-01

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How TSN makes Ethernet deterministic: 802.1AS timing, 802.1Qbv time-aware scheduling, frame preemption and a practical configuration workflow.

admin 2026-10-01

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Diagnose Cisco Nexus fabric extender problems: show fex states, fabric port pinning, host interface errors, image sync and vPC dual-homing issues.

admin 2026-09-29

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标签：Data Center