Browser-Based. Zero Install. Full Precision.

Network Architecture,
Engineered with
Precision.

The high-fidelity professional environment for modeling, simulating, and validating network topologies with deterministic accuracy.

NetPacket Simulator — Design Mode
CORE-R01
ACC-SW04
HOST-01

Drag & drop topology builder with real-time simulation

Full protocol stack — production-grade simulation

ARPICMPICMPv6DHCPDNSOSPFBGPRIP v2NAT/PATACLVLANSTPHSRPGRELACP802.1XDHCP RelayStatic RoutingIPv6
25+
Protocols Simulated
14
Lab Templates (CCNA/CCNP)
212
Unit Tests
100%
Browser-Based

Deterministic Simulation Engine

Every packet follows a predictable path. Same topology, same configuration, same result — every time. Seeded PRNG for reproducible packet loss scenarios.

IPv4 + IPv6 Dual-Stack

Full dual-stack support with ICMPv6, neighbor discovery, and IPv6 routing. Practice real-world migration scenarios in your browser.

No Installation Required

No VM, no download, no configuration. Open your browser, drag devices onto the canvas, and start simulating in seconds.

Deterministic Simulation Engine

Run real packet flows across L2/L3 architectures. The engine traces every frame with accurate timing — ARP, ICMP, DHCP, DNS, OSPF, STP, NAT, ACL all simulated in your browser with zero server dependency.

Learn more

Automated Validation

9 built-in rules catch duplicate IPs, subnet overlaps, missing routes, gateway inconsistencies, VLAN mismatches and ACL conflicts automatically.

Learn more

Real-time Analytics

Inspect ARP tables, routing tables, MAC tables, OSPF neighbors, STP states, NAT translations and ACL counters in real-time during simulation.

Learn more

5 Integrated Work Modes

Design, Simulate, Validate, Troubleshoot, Document — switch seamlessly between modes with dedicated layouts optimized for each workflow. Each mode provides specialized tools and panels for its specific task.

DesignSimulateValidateTroubleshootDocument

Scale Without Friction.

Engineered for performance, scaled for impact.

Base
Free
0€
  • 1 Workspace
  • 3 Labs
  • 50 Sim Runs / Day
Most Popular
Advanced
Pro
9€/month
  • 3 Workspaces
  • 25 Labs
  • All Templates
  • Lab Export
Collaboration
Team
39€/month
  • 10 Workspaces
  • 100 Labs
  • Up to 10 Members
  • Real-time Collab
Scale
Enterprise
Custom
  • Unlimited Everything
  • SSO / SAML
  • Dedicated Support

Ready to architect the
next topology?

Start free with 3 labs and 50 simulation runs per day. No credit card required.