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Junos OS Upgrade with request system software add

Junos OS Upgrade with request system software add

Upgrade Junos OS safely with request system software add: copy the image to /var/tmp, validate before installing, add with reboot, verify and roll bac

admin admin 2026-09-08
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HPE 3PAR Disk Replacement: showpd and servicemag Workflow

HPE 3PAR Disk Replacement: showpd and servicemag Workflow

Replace a failed disk in an HPE 3PAR StoreServ safely: identify failed PDs with showpd, evacuate chunklets, use servicemag start/status/resume and ver

admin admin 2026-09-08
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Cisco IOS-XR Interface CRC Errors: How to Troubleshoot

Cisco IOS-XR Interface CRC Errors: How to Troubleshoot

Diagnose CRC errors on Cisco IOS XR interfaces: interpret show interfaces error counters, distinguish physical-layer faults from transceiver issues, a

admin admin 2026-09-08
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Optical Transceiver Power: Reading Rx/Tx dBm Correctly

Optical Transceiver Power: Reading Rx/Tx dBm Correctly

Read SFP/SFP+ DOM light levels: what Tx and Rx optical power in dBm mean, normal ranges, alarm thresholds and how to troubleshoot dirty or failing fib

admin admin 2026-09-07
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SFP vs SFP+ vs SFP28 vs QSFP28: Types and Compatibility

SFP vs SFP+ vs SFP28 vs QSFP28: Types and Compatibility

Compare SFP, SFP+, SFP28, QSFP+ and QSFP28 transceiver form factors: speeds, lane architecture, connectors and backward compatibility rules for switch

admin admin 2026-09-06
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