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MACsec Switch-to-Switch Encryption with MKA

Configure MACsec on Cisco switches: MKA key chains with CKN and CAK, policy on the interface, verification with show macsec, and where it fits versus

admin 2026-09-23

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Grafana Loki and Promtail Log Pipeline Setup

Deploy Grafana Loki with Promtail: config files, index and chunk storage, scrape_configs, pipeline stages for parsing, labels and LogQL queries.

admin 2026-09-23

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Cisco IOS IP SLA and Object Tracking Failover

Build reliable dual-ISP failover with Cisco IP SLA and object tracking: probe types, delay up/down dampening, tracked static routes, boolean lists and

admin 2026-09-23

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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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PTP IEEE 1588 Boundary Clock Configuration Guide

Configure IEEE 1588 PTP boundary clocks: clock types, BMCA, telecom profiles G.8275.1/G.8275.2, clock-ports, transport modes and verification commands

admin 2026-09-23

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gNMI Streaming Telemetry on Cisco IOS XE

Model-driven telemetry on IOS XE: gRPC dial-out subscriptions, gNMI dial-in with SUBSCRIBE, YANG paths, encodings, on-change policy and verification.

admin 2026-09-23

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Cisco Flexible NetFlow Configuration Step by Step

Configure Flexible NetFlow on Cisco IOS XE: flow record key and nonkey fields, flow exporter, flow monitor, interface application and verification com

admin 2026-09-23

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Snort 3 Installation and Rule Configuration Guide

Install and configure Snort 3: dependencies, LibDAQ, Lua configuration, module tuning, rule files and includes, plus snort2lua migration from Snort 2.

admin 2026-09-23

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Zeek Network Security Monitoring: Setup and Logs

Deploy Zeek for network security monitoring: sensor placement, pcap and live capture, conn.log and http.log pivoting, zeekctl clusters and custom scri

admin 2026-09-23

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vSphere Standard vSwitch VLAN and Trunk Port Groups

Configure VLANs on a vSphere standard switch: VST vs EST vs VGT, port group VLAN IDs, 4095 guest tagging, host uplink trunks and esxcli commands.

admin 2026-09-23

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