data-center 归档 - 夜莺博客

标签：data-center

Data Centre Rack Power and Cooling Capacity Planning

Data Centre Rack Power and Cooling Capacity Planning

Plan rack power and cooling capacity: kW per rack tiers, PUE, A/B feed sizing, BTU conversion and the numbers to collect before adding AI or GPU hardw

admin admin 2026-10-06
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BGP Optimal Route Reflection (ORR) Explained

BGP Optimal Route Reflection (ORR) Explained

How BGP optimal route reflection fixes the suboptimal routing that plain route reflectors create, with the ORR cost community and a worked configurati

admin admin 2026-10-05
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Arista EOS VXLAN Configuration: VTEP and Bridging

Arista EOS VXLAN Configuration: VTEP and Bridging

Build VXLAN bridging on Arista EOS: VTEP source interface, VNI-to-VLAN mapping, head-end replication, and the commands that catch a broken overlay.

admin admin 2026-10-05
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MPO/MTP Polarity: Type A, B and C in Practice

MPO/MTP Polarity: Type A, B and C in Practice

Choose MPO/MTP polarity correctly for 40G, 100G, 400G and 800G parallel optics: Type A, B and C mapping, gender, and how to fix a dead link.

admin admin 2026-09-15
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