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VXLAN MTU and Fragmentation: The 50-Byte Tax

VXLAN MTU and Fragmentation: The 50-Byte Tax

Why VXLAN overlays break large transfers: the 50-byte tax, 1450 vs 9000 MTU, cloud and tunnel underlays, MSS clamping, offloads and the counters that

admin admin 2026-09-14
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EVPN Multihoming vs MLAG: ESI, DF Election and Clos

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 admin 2026-09-13
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VXLAN EVPN Multi-Site: Border Gateway Design Guide

VXLAN EVPN Multi-Site: Border Gateway Design Guide

VXLAN EVPN multi-site border gateway design: anycast VTEPs, Type-2/3/5 re-origination, delay-restore and fabric tracking that scale.

admin admin 2026-09-12
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Linux VXLAN Configuration: ip link and Static VTEP Setup

Linux VXLAN Configuration: ip link and Static VTEP Setup

Create Linux VXLAN tunnels with ip link: vxlan id, dstport 4789, multicast group or static remote VTEP, FDB management, bridging, MTU and troubleshoot

admin admin 2026-09-09
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Spine-Leaf vs Traditional Three-Tier: Topology and Latency Compared

Spine-Leaf vs Traditional Three-Tier: Topology and Latency Compared

A decision checklist for choosing spine-leaf or three-tier: traffic mix, port count, budget and ops skills, with a scenario matrix and five buying que

admin admin 2026-09-02
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Spine-Leaf vs Traditional 3-Tier: Design and Migration Guide

Spine-Leaf vs Traditional 3-Tier: Design and Migration Guide

Spine-leaf vs three-tier data center design: Clos mechanics, ECMP, VXLAN EVPN, oversubscription maths and a phased brownfield migration plan.

admin admin 2026-08-31
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Huawei VXLAN Distributed Gateway with BGP EVPN Config

Huawei VXLAN Distributed Gateway with BGP EVPN Config

Huawei CloudEngine VXLAN distributed gateway walkthrough: EBGP underlay, M-LAG pair, EVPN control plane, VBDIF anycast gateways, verification and MTU

admin admin 2026-08-29
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VXLAN with MP-BGP EVPN Control Plane: Design and Configuration

VXLAN with MP-BGP EVPN Control Plane: Design and Configuration

MP-BGP EVPN replaces flood-and-learn VXLAN: EVPN route types, underlay MTU, symmetric IRB, distributed anycast gateway, ARP suppression and Nexus 9000

admin admin 2026-08-27
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Spine-Leaf Architecture: Modern Data Center Design

Spine-Leaf Architecture: Modern Data Center Design

叶脊架构落地实践：从机柜功率密度、预端接布线与光纤策略、双路配电冗余与 A/B 供电，到冷热通道、气流组织与制冷方案，再到 POD 化部署节奏、扩容规划与常见误区，把 Spine-Leaf 设计放进真实机房逐项拆解，覆盖从交换机选型到上线的全过程。

admin admin 2026-08-26
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BGP in EVPN Data Center Fabrics: Design Choices

BGP in EVPN Data Center Fabrics: Design Choices

<p>Compare BGP designs for EVPN data center fabrics: IBGP over an IGP, pure EBGP per RFC 7938, next-hop-unchanged, route reflectors and AS numbering.<

admin admin 2026-08-26
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