LOG 归档 - 第103页共139页

Leaf-Spine Architecture: Two-Tier Data Center Design

Why leaf-spine replaced three-tier data centers: STP blocking, east-west traffic, oversubscription math, BGP ASN design, anycast gateway and when not

admin 2026-08-29

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Junos monitor interface: Real-Time Traffic Monitoring

Master the Junos monitor interface command: real-time per-second statistics, delta counters and traffic views to spot framing errors and link flaps in

admin 2026-08-29

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Cisco IOS XR TAC Command List: Collect Before the Case

Every IOS XR command a TAC case needs on ASR 9000, NCS and Cisco 8000: platform, install, interface, NPU counters, logging, alarms and routing state.

admin 2026-08-29

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华为交换机登录配置：Console 与 Telnet 实战

华为 S 系列交换机 Console 口开局到 Telnet/STelnet 远程登录全流程：终端仿真参数、Console 本地认证、本地用户与 AAA 配置、管理 VLAN 接口 IP、开启远程维护并用 ACL 限制管理网段，附验证排错与安全加固清单。

admin 2026-08-29

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Arista EOS BGP Peering Security Best Practices

Harden Arista EOS BGP peering: TTL security, MD5/TCP-AO auth, prefix and AS-PATH filters, control-plane ACLs, maximum-routes limits, BFD.

admin 2026-08-29

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ArubaOS-CX Access/Trunk Interface Best Practices

ArubaOS-CX interface best practices: access and trunk templates with VLAN tagging, LACP LAGs, loop-protect, BPDU guard, spanning-tree and verification

admin 2026-08-29

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Dell OS10 Switch Management: Static IP, Users and Routes

Configure Dell PowerSwitch OS10 management interface: static IP, management route and role-based admin accounts with step-by-step CLI and verification

admin 2026-08-29

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Juniper Ethernet Interface Troubleshooting Checklist

A step-by-step Juniper Ethernet interface troubleshooting checklist: link and alarm checks, error counters, loopback tests, optics diagnostics, JTAC e

admin 2026-08-29

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Multi-Vendor Network Automation with Ansible and Jinja2

Automate Cisco, Juniper and MikroTik from one Ansible playbook using per-vendor inventory variables, Jinja2 config templates and production rollout le

admin 2026-08-28

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Cisco Nexus 9000 VXLAN BGP EVPN Fabric Design Guide

Design a Cisco Nexus 9000 VXLAN BGP EVPN fabric: 3-stage and 5-stage CLOS, leaf roles, spine route reflectors, underlay choice and IP addressing plan.

admin 2026-08-28

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