LOG 归档 - 第113页共139页

Catalyst 9000 交换机意外重载故障排除

Catalyst 9000交换机意外重载(Unexpected Reload)的完整排查流程：常见原因分类、一条命令查看上次重载原因、收集show tech-support/crashinfo/tracelogs、提交TAC案例确定根因并做好预防。

admin 2026-08-25

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Catalyst 9000 交换机输出丢包故障排除

Catalyst 9000 交换机输出丢包（output drops）排错指南：解析缓冲区共享池与队列阈值机制，解读 Drop-TH0/TH1/TH2、SBufDrop 与 QebDrop 计数器，用 show interfaces 与 queue stats 定位丢包队列，结合 SPAN/Wire

admin 2026-08-25

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Catalyst 9000 网络延迟和丢包故障排除指南

Catalyst 9000 交换机延迟与丢包排障指南：先用ping与traceroute定位故障跳点，再逐层检查物理层错误计数、STP拓扑变更、MAC抖动与二层环路、CAM/ARP老化、SPAN镜像复制开销和ASIC异常丢弃，并覆盖CoPP punt与MTU分片这两类易被误判的原因，最后给出真实案例

admin 2026-08-25

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华为CE交换机SNMP排障：网管不通排查指南

华为CloudEngine交换机SNMP网管不通的完整排障流程：路由可达性、ACL放行、MIB视图、认证失败与超时分析，附SNMPv2c对接配置示例。

admin 2026-08-25

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Arista EOS MLAG Configuration: Complete Guide

<p>Configure Arista EOS MLAG from scratch: peer link and domain setup, VLAN and STP consistency, control-plane ACLs and the commands that verify it.</

admin 2026-08-25

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HPE Aruba AOS-CX Initial Configuration Guide (6300/6400)

Step-by-step HPE Aruba AOS-CX initial configuration for 6300/6400: console access, management IP and gateway, DNS, NTP, timezone, SSH and ZTP.

admin 2026-08-25

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Dell OS10 Port-Channel Configuration: LACP Step-by-Step

Configure a Dell OS10 port-channel with LACP on PowerSwitch S-series: static vs dynamic channels, member ports, VLANs, verification and troubleshootin

admin 2026-08-25

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Juniper BGP Session and Route Flaps: Prevention Guide

Prevent Junos BGP session flaps: passive EBGP sessions, BGP-static routes, address-family damping, BFD, traceoptions evidence and a prevention checkli

admin 2026-08-25

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Install SONiC on Dell S5212F-ON: Budget 25GbE/100GbE

Install community SONiC on a Dell S5212F-ON: prep the USB stick, update ONIE firmware, run onie-nos-install, configure interfaces and save the config.

admin 2026-08-24

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Linux 网络故障排查：从网卡到路由的定位思路

Linux 网络故障排查完整方法论：从物理链路、三层选路到应用层逐层收敛，用 ethtool 读链路状态与错误计数、ip route get 验证实际选路、ping 与 mtr 区分丢包层次、dig 与 resolvectl 定位 DNS 问题，再配合 tcpdump 抓包验证，并按常见报错信息反查

admin 2026-08-24

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