routing 归档 - 第2页 共11页 - 夜莺博客

标签：routing

Carrier-Grade NAT (CGNAT) Design and Configuration

Carrier-Grade NAT (CGNAT) Design and Configuration

CGNAT design essentials: log-port ranges, deterministic NAT, port-block allocation, logging requirements and how to size a NAT444 deployment from RFC

admin admin 2026-10-05
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BGP Optimal Route Reflection (ORR) Explained

BGP Optimal Route Reflection (ORR) Explained

How BGP optimal route reflection fixes the suboptimal routing that plain route reflectors create, with the ORR cost community and a worked configurati

admin admin 2026-10-05
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Dell OS10 VRF Configuration and Verification Guide

Dell OS10 VRF Configuration and Verification Guide

Configure VRF instances on Dell SmartFabric OS10: interface binding, per-VRF routing, controlled route leaking and the show commands that prove isolat

admin admin 2026-10-05
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BGP Confederations vs Route Reflectors: Choosing a Scale-Out

BGP Confederations vs Route Reflectors: Choosing a Scale-Out

Compare BGP confederations and route reflectors for scaling iBGP: full-mesh maths, cluster design, configuration examples and failure modes.

admin admin 2026-10-04
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BGP Communities Explained: Standard, Extended and Large

BGP Communities Explained: Standard, Extended and Large

Standard, extended and large BGP communities explained with configuration examples for traffic engineering, blackholing and route tagging.

admin admin 2026-10-04
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IPv6 SLAAC vs DHCPv6: RA Flags M, O and A Explained

IPv6 SLAAC vs DHCPv6: RA Flags M, O and A Explained

Understand IPv6 Router Advertisement flags: M and O for DHCPv6, the A flag for SLAAC, router and prefix lifetimes, and common misconfigurations.

admin admin 2026-10-03
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Arista EOS SVI Down: Inter-VLAN Routing Troubleshooting

Arista EOS SVI Down: Inter-VLAN Routing Troubleshooting

Why an Arista EOS SVI stays down/down: no forwarding member port, VLAN missing, ip routing disabled, plus the show commands that prove each cause.

admin admin 2026-10-03
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Junos Interface Damping: Suppress Physical Link Flaps

Junos Interface Damping: Suppress Physical Link Flaps

Configure Junos physical interface damping to stop a flapping link flooding routing protocols: penalty 1000, suppress and reuse levels, hold-time guid

admin admin 2026-10-03
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BGP Route Flap Damping Parameters Explained

BGP Route Flap Damping Parameters Explained

Understand BGP route flap damping: half-life, reuse, suppress and max-suppress defaults, how the figure-of-merit decays, plus a Junos policy example.

admin admin 2026-10-03
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Leaf-Spine vs Three-Tier: Oversubscription and ECMP Design

Leaf-Spine vs Three-Tier: Oversubscription and ECMP Design

Compare leaf-spine and three-tier data center designs on oversubscription, ECMP bandwidth use and scale-out, with the ratios engineers should target.

admin admin 2026-10-03
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