LOG 归档 - 第81页共139页

华为交换机 VLAN 配置详解：Access、Trunk 与 Hybrid 端口

华为交换机 VLAN 配置中文教程：创建 VLAN、Access/Trunk/Hybrid 三种端口类型区别、port link-type 与 port trunk allow-pass 命令、display vlan 验证命令。

admin 2026-09-06

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Arista EOS MAC Address Table: Show Commands and Aging

Arista EOS MAC address table (FDB) commands: show mac address-table, dynamic vs static entries, aging timers, hardware limits and flapping-MAC trouble

admin 2026-09-06

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ArubaOS-CX Native VLAN on Trunks: Untagged Traffic Explained

ArubaOS-CX native VLAN on trunks: vlan trunk native vs allowed lists, why untagged traffic is dropped, mismatch symptoms, and ProVision/Comware comman

admin 2026-09-06

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Dell OS10 Default Gateway: Management Routes after Reset

Dell OS10 has no ip default-gateway command. Configure a static mgmt IP plus a management route, create an admin user, and verify the default gateway.

admin 2026-09-06

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Juniper MC-LAG Design: ICCP Liveness, ICL and Hold Timers

Design resilient Juniper MC-LAG with ICCP over loopback, BFD liveness, ICL sizing and hold timers so ICCP and ICL failures converge as one event witho

admin 2026-09-06

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VMware ESXi vSwitch: Port Groups, VLAN IDs and Teaming

ESXi vSwitches and port groups explained: standard vs distributed switches, VST/EST/VGT VLAN tagging, uplink teaming policies and VMkernel traffic sep

admin 2026-09-06

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Prometheus snmp_exporter: Monitor Switches and Routers

Monitor switches and routers with Prometheus snmp_exporter: install it, build snmp.yml with the MIB generator, relabel targets, alert on utilization a

admin 2026-09-06

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Linux Network Bonding: LACP (802.3ad) and active-backup Modes

<p>Configure Linux bonding with worked examples: 802.3ad LACP vs active-backup, switch-side LAG, nmcli options, hash policy, failover tests and monito

admin 2026-09-06

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Cisco IOS Password Recovery: config-register 0x2142 Method

Cisco IOS password recovery with config-register 0x2142: break to ROMMON, confreg, restore startup-config, reset credentials and register.

admin 2026-09-06

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BGP Communities: Well-Known Values and Cisco Configuration

BGP communities on Cisco IOS: well-known values, standard vs extended vs large, send-community, route-map set and match, verification and common mista

admin 2026-09-06

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