Switching 归档 - 第2页共3页

SPAN, RSPAN and ERSPAN: Port Mirroring Configuration

Configure Cisco port mirroring: local SPAN, RSPAN using a remote-span VLAN over trunks, and ERSPAN GRE sessions, with verification and MTU gotchas.

admin 2026-10-03

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Catalyst 9300: StackWise-480 vs StackWise-1T vs VSS

Compare Cisco Catalyst 9300 stacking options: StackWise-320/480/1T bandwidth, ring throughput, mixing rules and how it differs from VSS designs.

admin 2026-10-03

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Juniper EX Virtual Chassis: Mixed Mode & Troubleshooting

Build a Juniper EX Virtual Chassis, enable mixed mode correctly, and fix members that refuse to join or hold on to stale member IDs.

admin 2026-09-25

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ArubaOS-CX VSF Stacking: Roles and VSF Links

Configure an ArubaOS-CX VSF stack: member IDs, conductor and standby roles, VSF links, ring topology and manual versus auto-stacking, with verificatio

admin 2026-09-24

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MACsec Switch-to-Switch Encryption with MKA

Configure MACsec on Cisco switches: MKA key chains with CKN and CAK, policy on the interface, verification with show macsec, and where it fits versus

admin 2026-09-23

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H3C Comware QoS: Priority Trust and Mapping Explained

Configure H3C Comware QoS priority mapping: trust modes, CoS/DSCP to internal priority maps, queue scheduling, plus verification with display commands

admin 2026-09-21

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Cisco Err-Disable: Causes, Recovery and Fixes

Why Cisco switch ports go err-disabled, how to read the cause, and how to configure errdisable recovery timers safely without hiding the real fault.

admin 2026-09-19

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Cisco to ArubaOS-CX Migration: Command Mapping

Translate Cisco IOS to ArubaOS-CX: access and trunk ports, LAGs, VSX vs VSS stacking, RPVST+ to MSTP, plus a pre-cutover validation checklist.

admin 2026-09-15

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Huawei Eth-Trunk: LACP Link Aggregation Setup

Configure Huawei Eth-Trunk link aggregation in manual and LACP modes, add member ports, set load balancing and verify with display eth-trunk.

admin 2026-09-15

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ArubaOS-CX Loop Protection: Configure and Verify

Enable ArubaOS-CX loop-protect on ports, LAGs and VLANs, choose the loop action, tune timers and verify detection with show loop-protect.

admin 2026-09-15

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标签：Switching