LOG 归档 - 第67页共139页

PTP Boundary Clock vs Transparent Clock: Which to Deploy

Boundary clocks terminate and regenerate PTP; transparent clocks correct residence time per hop. Profiles, error budgets and configuration compared.

admin 2026-09-12

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Kubernetes NetworkPolicy: Default Deny Without Breaking DNS

Kubernetes NetworkPolicy: default-deny ingress and egress, the DNS exception, AND-versus-OR selectors and how to prove your CNI actually enforces poli

admin 2026-09-12

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iDRAC Redfish API Automation: Python and PowerShell Patterns

Automate Dell PowerEdge out-of-band management with the iDRAC Redfish API: session auth, BIOS jobs, firmware inventory and SCP export in Python and Po

admin 2026-09-12

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Terraform for Network Automation: Cisco, Junos and Arista

Terraform for Cisco IOS XE, NX-OS, Junos and Arista EOS: providers, VLAN and interface resources, safe state, import and CI drift detection.

admin 2026-09-12

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Catalyst 9000 Smart Licensing Troubleshooting: SLP and CSSM

Fix Cisco Smart Licensing Using Policy on Catalyst 9000: read SMART_LIC errors, restore CSSM trust, solve UDI and clock mismatches, and force a sync.

admin 2026-09-12

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NetApp ONTAP FabricPool: Cloud Tiering Policies & CLI

NetApp ONTAP FabricPool tiers cold 4KB blocks to object storage while metadata stays on flash. Tiering policies, cooling windows, heat map and CLI set

admin 2026-09-12

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TI-LFA with Segment Routing: Topology-Free Fast Reroute

TI-LFA with segment routing: sub-50ms link, node and SRLG protection without per-topology LFA tuning, with Junos, IOS XR and SR Linux configuration.

admin 2026-09-12

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800G ZR/ZR+ Coherent Pluggables: IPoDWDM Design Guide

How 800G ZR/ZR+ QSFP-DD coherent pluggables work, what ZR versus ZR+ modes deliver in reach and output power, and when IPoDWDM wins over a transponder

admin 2026-09-12

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VXLAN EVPN Multi-Site: Border Gateway Design Guide

VXLAN EVPN multi-site border gateway design: anycast VTEPs, Type-2/3/5 re-origination, delay-restore and fabric tracking that scale.

admin 2026-09-12

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Cisco NX-OS ISSU: Impact Checks and Upgrade Workflow

Cisco NX-OS ISSU upgrade checks: read show install all impact, resolve feature incompatibilities, handle EPLD and vPC, then verify the switch afterwar

admin 2026-09-12

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