response = requests.post(url, auth=('admin','pass'), json=payload) print(response.json())
For the network engineer tired of “can we take down the lab for testing?” or the NMS developer chasing elusive bugs, Simulator 24 offers a quiet revolution: the power to simulate any network, any failure, any scale – from a single laptop.
from iReasoning’s website. Build a thousand virtual routers in an hour. Then ask yourself: What would you do with that power? Article by Network Simulation Experts. Last updated April 2026. iReasoning is a trademark of iReasoning Networks. All other trademarks property of their respective owners. Ireasoning Snmp Agent Simulator 24
This allows network automation teams to spin up test environments alongside Ansible or Terraform scripts. | Feature | iReasoning Simulator 24 | snmpsim (Python) | GNS3/EVE-NG | |---------|-------------------------|------------------|-------------| | SNMPv3 | Full (USM, VACM, AES) | Limited | Full (real OS) | | Scale | 10k+ agents | ~500 agents | ~50 nodes | | Windows service | Yes | No (Linux/script) | No | | GUI | Rich MIB browser | CLI only | Graphical but heavy | | Trap injection | Yes, with rules | Yes (scripted) | Yes (manual) | | Licensing | Commercial | Open source (BSD) | Free/GPL |
| Agents | SNMP Version | Polls/sec (GET) | Response Time (avg) | CPU Load | Memory | |--------|--------------|----------------|---------------------|----------|--------| | 1,000 | v2c | 15,000 | 8 ms | 12% | 2.1 GB | | 5,000 | v2c | 42,000 | 14 ms | 38% | 6.8 GB | | 10,000 | v2c | 60,000 | 22 ms | 71% | 12.4 GB| | 5,000 | v3 (SHA/AES) | 28,000 | 18 ms | 52% | 7.1 GB | response = requests
Select 500 instances of the template, each with unique IPs (e.g., 192.168.1.1 to 192.168.1.500). The engine allocates sockets and begins responding to SNMP queries instantly.
Introduction: The Growing Complexity of Network Management In the modern enterprise, network infrastructure is no longer a static collection of routers and switches. It is a dynamic, sprawling ecosystem encompassing physical appliances, virtualized functions, cloud gateways, and IoT endpoints. For network administrators and developers tasked with managing this complexity, the challenge is clear: How do you test, train, and validate monitoring systems without disrupting a live production environment? Then ask yourself: What would you do with that power
import requests, json url = "http://simulator-server:8080/api/v1/agents" payload = "count": 100, "template": "catalyst_9300", "base_ip": "10.0.0.0/24", "overrides": "1.3.6.1.2.1.1.5.0": "Simulated_Router_index"