ios-xr 归档 - 夜莺博客

MPLS LSP Ping and Traceroute: Data Plane Verification

MPLS LSP ping and LSP traceroute verify the label data plane, not just the control plane. FEC types, reply modes and return codes explained with IOS X

admin 2026-10-06

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Cisco IOS XR ACL Configuration and Verification

Configure and verify access lists on Cisco IOS XR: extended ACLs, sequence numbering, counter checks, object groups and the mistakes that silently dro

admin 2026-10-05

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Cisco IOS XR Model-Driven Telemetry Configuration

Configure model-driven telemetry on IOS XR: destination groups, sensor groups, subscriptions, dial-in vs dial-out, encodings, and verification command

admin 2026-10-05

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Cisco ASR 9000 show environment: Power, Fans and Temperature

Use show environment on the Cisco ASR 9000 to check power supplies, fans and temperatures, plus show platform and show memory summary for node health.

admin 2026-10-03

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MPLS TE with RSVP-TE: Tunnels, CSPF and FRR

Build an MPLS TE tunnel with RSVP-TE: bandwidth reservation, explicit paths, CSPF, autoroute and fast reroute, plus the show commands that prove it wo

admin 2026-09-26

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Cisco IOS XR Routing Policy Language (RPL) Guide

IOS XR RPL explained: named route-policy blocks, prefix-sets, as-path-sets, community-sets, apply and parameterisation, plus pass, drop and default ac

admin 2026-09-23

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ASR 9000 Power Supply Failure: PSM Troubleshooting

Diagnose ASR 9000 power supply module failures with show platform, admin show environment power and inventory, plus JOJI reseat and RMA evidence steps

admin 2026-09-23

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