Switching 归档 - 夜莺博客

标签：Switching

ArubaOS-CX PoE Configuration and Power Budget

ArubaOS-CX PoE Configuration and Power Budget

Configure PoE on ArubaOS-CX: allocate-by usage versus class, port priority for oversubscription, always-on and quick-poe, plus budget verification.

admin admin 2026-10-13
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Dell OS10 LACP Fallback for PXE Provisioning

Dell OS10 LACP Fallback for PXE Provisioning

Configure Dell OS10 LACP fallback so PXE clients boot on a port-channel: fallback enable, timeout and preemption, plus show commands to verify electio

admin admin 2026-10-13
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QoS Trust Boundary on Cisco Switches: DSCP vs CoS

QoS Trust Boundary on Cisco Switches: DSCP vs CoS

Configure a Cisco QoS trust boundary correctly: enable QoS globally, choose DSCP or CoS trust, and avoid the rewrite that erases arriving markings.

admin admin 2026-10-12
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PoE 802.3bt Power Budget Planning for Access Switches

PoE 802.3bt Power Budget Planning for Access Switches

Plan PoE power budgets for 802.3bt access switches: port classes, N+1 PSU maths, AP and camera consumption, and monitoring so the budget never surpris

admin admin 2026-10-10
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Wi-Fi 7 (802.11be) MLO and the Wired Network Impact

Wi-Fi 7 (802.11be) MLO and the Wired Network Impact

What Wi-Fi 7 multi-link operation means for switch ports, PoE budgets, uplink sizing and QoS: planning the wired side of 802.11be before you deploy AP

admin admin 2026-10-10
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MikroTik RouterOS Bridge VLAN Filtering and PVID Explained

MikroTik RouterOS Bridge VLAN Filtering and PVID Explained

RouterOS bridge VLAN filtering explained: the VLAN table, tagged vs untagged ports, PVID rules, ingress filtering, and a working trunk/access example.

admin admin 2026-10-10
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Ruckus ICX VLAN and VE Interface Configuration

Ruckus ICX VLAN and VE Interface Configuration

Configure VLANs on Ruckus ICX (FastIron): port-based VLANs, tagged and untagged ports, dual-mode, router-interface ve for inter-VLAN routing and verif

admin admin 2026-10-07
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Extreme EXOS VLAN Configuration: Tagged and Untagged

Extreme EXOS VLAN Configuration: Tagged and Untagged

Configure VLANs on ExtremeXOS: create a VLAN, move ports out of the default VLAN, add them tagged or untagged, assign an IP and verify with show vlan

admin admin 2026-10-07
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STP Path Cost Tuning and Root Bridge Diameter

STP Path Cost Tuning and Root Bridge Diameter

Tune spanning tree with root primary, explicit port costs and a declared diameter: short vs long cost method, default cost values, and verification co

admin admin 2026-10-07
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ArubaOS-CX MSTP Configuration and Verification

ArubaOS-CX MSTP Configuration and Verification

Step-by-step ArubaOS-CX MSTP: region name and revision, VLAN-to-instance mapping, deterministic root bridges, edge hardening and verification commands

admin admin 2026-10-05
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