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For network engineers
Advanced QoS on Cisco Catalyst: Ensuring Quality of Service
Advanced QoS for Cisco Catalyst 9300: MQC, NBAR2 L7, LLQ/CBWFQ, auto-QoS, and VoIP MOS testing.
April 15, 2026
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Guides, comparisons and news for networking professionals.
Advanced QoS for Cisco Catalyst 9300: MQC, NBAR2 L7, LLQ/CBWFQ, auto-QoS, and VoIP MOS testing.
April 15, 2026
802.1X + RADIUS: Cisco dot1x configuration, EAP-TLS/PEAP, MAB, profiling, posture, and WPA3-Enterprise.
April 15, 2026
Cisco DMVPN Phase 3: hub-and-spoke with dynamic spoke-to-spoke connectivity, mGRE + NHRP + IPsec, compared with SD-WAN.
April 15, 2026
Cisco ↔ FortiGate IPsec VPN: IKEv2 AES-GCM, complete configurations, troubleshooting and common issues.
April 15, 2026
Prometheus + Grafana + Telegraf monitoring stack: SNMP, streaming telemetry, dashboards and alerting.
April 15, 2026
Terraform for networking: Cisco, Fortinet, and cloud providers, state, workflows, modules, comparison with Ansible, and multi-cloud deployment.
April 15, 2026
Inter-VLAN routing with SVIs: comparison with router-on-a-stick, Cisco/Juniper/Aruba configuration, HSRP, ACLs, and DHCP relay.
April 15, 2026
Multi-area OSPF: stub/NSSA/totally stubby areas, summarization, BFD, SHA-256, and a design for 2000 routers.
April 15, 2026
BGP Route Reflectors: design, HA clustering, ORR, Cisco IOS-XR/Juniper configuration, and monitoring.
April 15, 2026
Advanced Wireshark: display filters, TCP streams, VoIP, TLS decryption, BGP, Expert Info, and I/O graphs.
April 15, 2026
Network troubleshooting: OSI methodology, tools, Cisco/Juniper commands, common issues, and packet captures.
April 15, 2026
SR-MPLS Segment Routing migration: comparison with LDP/RSVP, SRGB, SR-TE, FRR TI-LFA, Juniper/Cisco/Nokia.
April 15, 2026