夜莺博客 - 第53页 共144页 - 网络设备运维笔记 - Cisco/Juniper/Mellanox/DELL存储/网络技术文档
Cisco IOS Ansible Playbook 实战：从标准到独特配置
Arista EOS BGP TCP-AO：安全加固配置指南
Ansible 网络自动化入门：Cisco IOS 全流程
tcpdump 实战：网络数据包捕获与分析指南
17 个必备 Linux 网络排障命令
SONiC 排障指南：丢包、光模块与技术支持

网络设备运维笔记
Cisco · Juniper · Arista · NetApp

专注网络基础设施运维与自动化，记录每一行关键命令
Cisco 网络 IOS / XR / NX-OS 配置与排障 Juniper Junos EX / MX / QFX 运维实战 Arista EOS 数据中心交换机配置 NetApp 存储 ONTAP 存储阵列运维 Mellanox 网络 MLNX-OS 与高速互联 Linux 运维 网络排障与系统命令 网络自动化 Ansible 与自动化配置 SONiC 开源 开放网络操作系统
V2bX 节点后端安装配置教程（V2board/Xboard 面板）

置顶V2bX 节点后端安装配置教程（V2board/Xboard 面板）

V2bX 是 V2board/Xboard 面板的节点后端程序（Node），负责承载 V2Ray/Xray 等协议。本文讲解 V2bX 的安装部署、配置文件说明、与面板对接及常见问题排查方法。

admin admin 2025-11-11
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宝塔面板11.1(开心版)

置顶宝塔面板11.1(开心版)

宝塔面板安装与配置教程：从系统与内存要求、一键安装脚本讲起，到面板端口、安全入口与登录限制加固，再到 LNMP 环境选择、建站流程、数据库管理、SSL 证书部署与自动备份，并说明开心版的安全风险与常见问题排查方法，以及日常维护要点，适合新手快速上手。

admin admin 2025-11-05
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BBR加速脚本集合。包含BBR Plus/BBR原版/BBR魔改版，开启自带BBR加速，BBR四合一脚本等。

置顶BBR加速脚本集合。包含BBR Plus/BBR原版/BBR魔改版，开启自带BBR加速，BBR四合一脚本等。

BBR 加速脚本合集：Debian 与 CentOS 开启系统自带 BBR 加速，四合一脚本一键切换 BBR Plus、原版与魔改版，另有 LotServer 锐速的安装卸载、生效验证与 sysctl 参数调优建议，适合 VPS 跨境线路提速。

admin admin 2024-12-24
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Linux PTP Grandmaster with ptp4l and phc2sys

Linux PTP Grandmaster with ptp4l and phc2sys

Turn a Linux host into a PTP grandmaster: ptp4l with hardware timestamping, phc2sys clock discipline, priority settings and verification.

admin admin 2026-10-12
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Hierarchical QoS: Parent Shaping with Child Queueing

Hierarchical QoS: Parent Shaping with Child Queueing

Build HQoS policies: shape a 100M interface to a 20M service rate, nest a child queueing policy inside it, and verify the nested statistics.

admin admin 2026-10-12
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NetFlow and IPFIX Sampling: Configuration and Rates

NetFlow and IPFIX Sampling: Configuration and Rates

Configure flow sampling on Cisco routers and switches with sampler-map and random one-out-of-n, and choose a sampling rate that fits the cache.

admin admin 2026-10-12
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DCBX and LLDP-DCB: Configuration and Verification

DCBX and LLDP-DCB: Configuration and Verification

How DCBX negotiates PFC and ETS over LLDP, why both global and interface enablement are required, and how to verify the TLVs on both ends.

admin admin 2026-10-12
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IPv6 ND Inspection and Source Guard Configuration

IPv6 ND Inspection and Source Guard Configuration

Stop IPv6 address spoofing on access switches: ND inspection policies, device tracking binding tables, source guard and RA guard working together.

admin admin 2026-10-12
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Rail-Optimized Network Topology for AI Training Fabrics

Rail-Optimized Network Topology for AI Training Fabrics

Why rail-optimized beats ToR for GPU training fabrics: rail alignment, intra-rail AllReduce, cross-rail spine paths and cluster scale limits.

admin admin 2026-10-12
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GPUDirect RDMA and NCCL Tuning for GPU Clusters

GPUDirect RDMA and NCCL Tuning for GPU Clusters

Enable and validate GPUDirect RDMA in GPU clusters: PCIe ACS settings, interconnect detection, NCCL tests and when to tune NCCL variables.

admin admin 2026-10-12
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