Telecom simulation portfolio

Simulate the network around your network.

FxTestEngine simulators give engineering teams controllable peers for integration, performance and resilience Testing—without waiting on an external network function or vendor environment.

SIMULATED TELECOM TEST ENVIRONMENT
gNB / UEAMF / MMEHSS / AAA / PCRFPGW / UPF / N6
Purpose-built test peers

From packet generation to a complete core test environment.

Select a simulator, register once, and request its protected evaluation package from the download portal.

DATA-PLANE LOAD TESTING

FxPktGen — Packet Generator

A high-throughput packet-generation tool for validating data-plane capacity, forwarding behavior and system stability under demanding load.

  • Generates controlled traffic profiles up to 100 Gbps.
  • Supports repeatable load, soak and capacity-validation campaigns.
  • Ideal traffic source for PGW, UPF, N6 and DPDK performance Testing.
Download FxPktGen →
3GPP AUTHENTICATION

FxAAA

3GPP AAA simulator for validating authentication, authorization and accounting workflows.

  • Configurable identities and success/failure responses.
  • Repeatable AAA interoperability Testing.
Download FxAAA →
SUBSCRIBER DATA

FxHSS

3GPP HSS simulator for authentication vectors, subscriber profiles and location update paths.

  • Models S6a/S6d exchanges.
  • Deterministic positive and negative test cases.
Download FxHSS →
POLICY CONTROL

FxPCRF

3GPP PCRF simulator for PCC decisions, QoS authorization and policy-rule lifecycle behavior.

  • Controlled Gx and Rx policy scenarios.
  • Tests QoS, charging keys and dynamic rules.
Download FxPCRF →
5G CHARGING

FxCHF

3GPP Charging Function simulator for transaction-level charging-service validation.

  • Models charging-service requests and responses.
  • Supports positive, negative and boundary tests.
Download FxCHF →
N6 DATA NETWORK

FxISP

N6 simulator for Ubuntu 22.04 and DPDK 25.11 environments, built for controllable external data-network Testing.

  • Targets high-performance N6 integration.
  • Optimised for DPDK data-plane validation.
Download FxISP →
EPC GATEWAY

PGW Simulator

Simulates PDN gateway behavior for session, policy, charging and data-connectivity tests.

  • Exercises PDN session interactions.
  • Supports EPC integration Testing.
Download PGW Simulator →
EPC GATEWAY

SGW Simulator

Simulates Serving Gateway control and user-plane behavior for bearer, tunnel and mobility flows.

  • Supports GTP session and bearer scenarios.
  • Isolates MME and PGW dependencies.
Download SGW Simulator →
LTE MOBILITY

MME Simulator

Simulates LTE mobility behavior for attach, authentication, paging, tracking area and bearer procedures.

  • Repeatable EPS NAS and S1AP paths.
  • Supports lab and regression workflows.
Download MME Simulator →
5G USER PLANE

UPF Simulator

Simulates UPF behavior for PDU-session, forwarding and N6 integration Testing.

  • Exercises data-path and control-plane interactions.
  • Complements FxPktGen and 5G core validation.
Download UPF Simulator →
Evaluation access

Build the test environment you need.

Register to request protected evaluation downloads for FxTestEngine simulators.

Create account →