Juniper Junos 归档 - 夜莺博客

Junos Core Dump Analysis: Reading Process Crash Files

Find and analyse Junos core dump files, use show system core-dumps and request support information to hand a crash to JTAC with evidence.

admin 2026-10-12

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Junos License Management: Add, Check and Delete Licenses

Add, verify, auto-update and delete Junos licenses on EX, QFX, MX and SRX devices with request system license commands and expiry checks.

admin 2026-10-12

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Junos Firewall Filters on EX: Port, VLAN and L3 Filters

Build Junos firewall filters for EX and QFX switches: family ethernet-switching filters on ports and VLANs, policers, counters and verification with s

admin 2026-09-28

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Junos RE Protection: Control Plane Filter and Policers

Protect a Junos Routing Engine from TCP and ICMP floods: build the protect-RE stateless filter with policers, apply it to lo0, and verify with show fi

admin 2026-09-17

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BGP NSR vs Graceful Restart: Control Plane HA

Nonstop active routing versus graceful restart: how each survives a routing engine switchover, why helper routers matter, and which to enable on your

admin 2026-09-17

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Junos BFD Liveness Detection: Timers, Adaptation & MC-LAG

Tune Junos BFD properly: distributed versus RE-based timers, multihop sessions, adaptation back-off, and how BFD and ICCP liveness share the MC-LAG jo

admin 2026-09-12

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Juniper EX Virtual Chassis Configuration: Step-by-Step CLI Guide

Build and verify a Juniper EX Virtual Chassis: VCP cabling, preprovisioned members, mixed mode, mastership failover, member replacement and split reco

admin 2026-09-10

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RPKI BGP Route Origin Validation: ROV Deployment Guide

Deploy RPKI route origin validation for BGP: ROA basics, validator and RTR sessions, Junos and Cisco import policy, staged rollout and monitoring.

admin 2026-09-10

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