troubleshooting 归档 - 第15页 共26页 - 夜莺博客

标签：troubleshooting

SONiC CLI Cheat Sheet: Management VRF and Database Commands

SONiC CLI Cheat Sheet: Management VRF and Database Commands

SONiC operational cheat sheet: management VRF access, config_db.json persistence, sonic-db-cli and sonic-db-dump operations, Docker containers, image

admin admin 2026-09-02
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BGP Route Dampening Configuration: Penalty and Reuse Limits

BGP Route Dampening Configuration: Penalty and Reuse Limits

BGP route dampening maths: how the 1000-point penalty decays, how reuse times derive from the half-life, and how to size suppress limit and max-suppre

admin admin 2026-09-02
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Cisco ASR 9000 IOS XR Show Commands: IM, SYSDB and uIDB

Cisco ASR 9000 IOS XR Show Commands: IM, SYSDB and uIDB

Diagnose ASR 9000 control-plane faults with IOS XR show commands: show im database, sysdb connections, uidb index and watchdog memory thresholds.

admin admin 2026-09-02
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Dell OS10 Factory Reset: Backup, Delete Files and Reload

Dell OS10 Factory Reset: Backup, Delete Files and Reload

Step-by-step Dell PowerSwitch OS10 factory reset: back up running config and VLT, delete startup.xml and the Redis dump, reboot, then verify a clean s

admin admin 2026-09-02
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MC-LAG ICCP Failure Scenarios: Liveness Detection and LACP System ID Behavior

MC-LAG ICCP Failure Scenarios: Liveness Detection and LACP System ID Behavior

How Juniper MC-LAG behaves when ICCP fails: backup liveness detection, split-brain risk, the LACP system ID change matrix and CLI troubleshooting step

admin admin 2026-09-02
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Linux Network Troubleshooting: ss, netstat and tcpdump Guide

Linux Network Troubleshooting: ss, netstat and tcpdump Guide

Diagnose Linux network issues with ss, netstat and tcpdump: socket states, listening ports, BPF filters, packet capture and a step-by-step triage work

admin admin 2026-09-01
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Cisco vs Juniper: Troubleshooting Commands Cheat Sheet

Cisco vs Juniper: Troubleshooting Commands Cheat Sheet

Cisco IOS vs Juniper Junos troubleshooting commands side by side: interfaces, routing and forwarding tables, BGP, IS-IS, output filters and TAC eviden

admin admin 2026-09-01
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Cisco IOS XR CLI Basics: Command Modes and Show Commands

Cisco IOS XR CLI Basics: Command Modes and Show Commands

Cisco IOS XR CLI fundamentals: EXEC and admin modes, commit and rollback, interface and show commands, SDRs, plus a worked configuration example.

admin admin 2026-09-01
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Juniper SRX Troubleshooting Commands: Show, Log and Flow

Juniper SRX Troubleshooting Commands: Show, Log and Flow

Juniper SRX troubleshooting commands cheat sheet: show security flow session, show | display set, rollback compare, chassis cluster status and packet

admin admin 2026-09-01
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BGP Route Dampening: Penalty, Suppress and Reuse

BGP Route Dampening: Penalty, Suppress and Reuse

BGP route dampening configuration compared across Cisco IOS, IOS-XR, NX-OS, Junos and Huawei VRP, with verification commands and production tuning adv

admin admin 2026-09-01
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