troubleshooting 归档 - 第21页 共26页 - 夜莺博客

标签：troubleshooting

Automating ArubaOS-CX Switches with the REST API and Postman

Automating ArubaOS-CX Switches with the REST API and Postman

ArubaOS-CX REST API and Postman walkthrough: enable the REST server, log in, read interfaces and VLANs, upload a full config, and automate with Newman

admin admin 2026-08-27
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Dell OS10 Transaction-Based Configuration Mode: Candidate Config Workflow

Dell OS10 Transaction-Based Configuration Mode: Candidate Config Workflow

Dell OS10 transaction-based configuration mode: stage changes in the candidate config, review with show diff, commit or discard, then save with write

admin admin 2026-08-27
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Junos EX: How to Identify a Flapped Interface with CLI Commands

Junos EX: How to Identify a Flapped Interface with CLI Commands

Identify a flapped interface on a Juniper EX switch: read the Last flapped field, correlate mib2d log entries and verify flap timestamps against uptim

admin admin 2026-08-27
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Junos Interface Damping: Hold-Time and Backoff

Junos Interface Damping: Hold-Time and Backoff

Junos interface damping: hold-time timers for millisecond flaps vs exponential backoff damping for second-scale flaps, with penalty math and checks.

admin admin 2026-08-26
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Dell OS10 Quick Start: S5212F-ON Port Groups and OS

Dell OS10 Quick Start: S5212F-ON Port Groups and OS

Dell S5212F-ON day-one guide: ONIE OS10 install, port-group modes for 1G and 10G optics, media qualification, verification commands and saving configu

admin admin 2026-08-26
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HPE 3PAR 8400 Configuration: Principles and Procedures

HPE 3PAR 8400 Configuration: Principles and Procedures

HPE 3PAR 8400 configuration principles: controller enclosures, cages, SSMC versus CLI, CPG and RAID planning, virtual volumes, VLUN export and multipa

admin admin 2026-08-26
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Linux 网络故障排查：从网卡到路由的完整思路

Linux 网络故障排查：从网卡到路由的完整思路

Linux 网络不通怎么排查？按分层顺序走一遍网线网卡、SELinux 与防火墙、IP 网关、ping 连通性、路由选择、DNS 解析和数据包追踪，附 ethtool、ip route get、mtr、tcpdump 实战实例与速查表，从物理层到应用层逐级验证。

admin admin 2026-08-26
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Linux 运维高阶命令实战指南：五大场景排障

Linux 运维高阶命令实战指南：五大场景排障

运维必备 Linux 高阶命令：top/htop/vmstat/iostat 系统监控、tail/grep/awk/journalctl 日志分析、ps/pstree/lsof 进程管理、df/du/find 磁盘排查、mtr/ss/tcpdump 网络调试，附典型故障速查表与分层排障思路。

admin admin 2026-08-26
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NetApp ONTAP Port Troubleshooting: Complete Resolution Guide

NetApp ONTAP Port Troubleshooting: Complete Resolution Guide

NetApp ONTAP port troubleshooting by port class: SAS, Ethernet, FC, management and cluster interconnect, with the commands and evidence each failure m

admin admin 2026-08-26
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Cisco ASR9000/XR: Understanding Fabric and Troubleshooting

Cisco ASR9000/XR: Understanding Fabric and Troubleshooting

Understand Cisco ASR 9000 fabric architecture (NP, FIA, Trident and Typhoon line cards) and debug drops with show pfm, FIA counters and back-pressure

admin admin 2026-08-26
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