LOG 归档 - 第64页共139页

ArubaOS-CX Access vs Trunk: Verify with show vlan

Read ArubaOS-CX VLAN verification output field by field: show vlan, show vlan port, MAC tables, and the mismatch each output actually reveals.

admin 2026-09-13

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Spine-Leaf vs Three-Tier: STP Blocking and Bandwidth

Three-tier networks block redundant links in spanning tree, so half the cabling carries no traffic. Quantify the bandwidth, hop-count and failure gap.

admin 2026-09-13

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H3C Comware vs Huawei VRP Command Mapping Table

H3C Comware 7 vs Huawei VRP command mapping: interfaces, VLANs, trunks, LAG, STP, ACLs, stacking and saving, with the traps that cause outages.

admin 2026-09-13

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PAN-OS Commit Failures: Logs and Validate Explained

Diagnose PAN-OS commit failures: validate full, show jobs, ms.log, devsrvr.log, configd.log and the disk or process states that silently block commits

admin 2026-09-13

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Coherent Optics: Pre-FEC BER, OSNR and DSP Checks

Coherent module troubleshooting beyond optical power: pre-FEC vs post-FEC BER, OSNR margin, DSP lock, frequency offset and EVM thresholds explained.

admin 2026-09-13

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SNMPv3 Setup: Security Levels, Engine ID, Verify

Configure SNMPv3 correctly: noAuthNoPriv vs authPriv, engine ID and localised keys, group and user ordering, net-snmp verification and the errors you

admin 2026-09-13

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Linux Bonding 802.3ad: LACP Rate and Hash Policy

Tune Linux bonding mode 4 properly: lacp_rate, xmit_hash_policy, ARP monitoring, VLAN placement, flow-distribution checks and the switch-side requirem

admin 2026-09-13

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Proxmox VE Networking: VLAN-Aware Bridge and LACP

Proxmox VE networking guide: VLAN-aware Linux bridges, 802.3ad LACP bonds, bridge-vids, safe apply with ifreload and the commands that verify the resu

admin 2026-09-13

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ROADM Power Equalization and APC Explained

Why per-channel power drifts in DWDM, how APC and ROADM equalization correct it, and the amplifier modes, span loss and OSNR margin checks that keep i

admin 2026-09-13

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EVPN Multihoming vs MLAG: ESI, DF Election and Clos

EVPN multihoming with ESI and DF election versus MLAG: compare peer links, BUM handling, aliasing and failure modes before you choose.

admin 2026-09-13

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