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Ethernet and IP Tools
LACP Hash Distribution
Optical Link Budget Calculator
PoE Budgeter
MTU Fragmentation Analyzer
MAC OUI Lookup
IPv4 Subnet Calc
IPv6 Subnet Calc
Subnet Planning Tool
Packet Visualizer
QOS DSCP Calculator
BGP WHOIS
BGP Network Planner
OSPF LSA Analyzer
CLI Parser
Traceroute Visualizer
TCPDump Visualizer
STP/RSTP Convergence Simulator
DNS Query Tracer
VLAN Trunking Analyzer
BFD & IP SLA Calculator
ECMP Flow Hash Calculator
NAT/PAT Table Visualizer
TCP State Machine Diagram
BGP Decision Debugger
MPLS Label Stack Visualizer
OSPF SPF Walkthrough
NTP Stratum Visualizer
Performance Tools
CLI Output Analyzer
TCP Optimal Window Calc
TCP Throughput Calc
Maximum Ethernet TCP Throughput
Decimal to Hex to Binary
DHCP Option 43
Volt to Watt to Amp
BTU Heatload Calculator
Celsius to Fahrenheit
File Transfer Speed
Load Balancer Pool Analyzer
Buffer Bloat & BDP Tool
Linux TCP Sysctl Reference
NIC Ring Buffer Calculator
HTTP/2 vs HTTP/3 Modeler
TCP Congestion Control Comparison
Wireless tools
Predictive RF Modeling Tool
Active WiFi Survey Tool
Mobile WiFi Survey Tool
RF RSS Path loss
Free Space Path Loss
Milliwatt to dBm
Fresnel Zone
AP Deployment Estimator
Signal to Noise Ratio
Friis Transmission Equation
Modulation Visualizer
Hardware Planning
Dynamic Network Diagrams
BOM Assistant
Security Tools
Cisco Type 7 Password Decoder
ACL Conflict Detector
Firewall Policy Analyzer
RPKI ROA Validator
Systems Administration
Syslog Priority Calculator
Cron Expression Builder
Network Namespace Visualizer
SSL/TLS Certificate Decoder
Articles
IETF RFC Summaries
What's My IP
System Buffer Tuning
Network Troubleshooting Methodology
Copper Cable Terminations
Fiber Optic and SFP Guide
Power Outlets and Plugs
Network Acronyms
Linux Commands
Network Vendor Command Compare
RFC 791 - Internet Protocol
RFC 1918 - IPv4 Private Address
eBPF & XDP Networking Primer
EVPN/VXLAN Architecture Deep Dive
RPKI & BGP Route Origin Validation
IPv6 Transition Mechanisms
Segment Routing Primer (SR-MPLS + SRv6)