OBSERVE. ANALYZE. ACT.
Support Login

FlowMagic NextIO Components · Version 26.3

FlowMagic Testing Tools

Reference for FlowMagic traffic generation, application simulation, performance testing, replay, and WAN emulation components.

UI Path: NextIO Diagram EditorComponentsTesting Tools ID: nextio-flowmagic-testing

Use these components to generate test traffic, simulate applications, measure performance, replay packets, or emulate network conditions.

Component Reference

Confirm test endpoints, rates, durations, and expected traffic impact before starting a test service.

NextIO network validation tools This page documents 6 components in the Testing Tools palette group.

For the shared Name, Notes, display, and pad-editing controls, see Common Component Properties.

STL PktGen

STL PktGen component icon
STL PktGen component icon

Generates stateless test traffic from configured streams.

Connection Initial count Initial pad names Allowed count Properties panel
Input 0 None 0 Hidden (fixed)
Output 1 1 1 Hidden (fixed)

Configuration Reference

  • Traffic Generation Port — Select traffic generation port Initial value:

    Required.

  • Port AutoNeg — Select port autonegotiation mode Initial value:

    Required.

  • Port Speed — Select port link speed Initial value:

    Required.

  • Select Packet Database Location and Filename — Select location to store the uploaded packets Initial value:

    Required.

  • Duration and Load Profile — Duration and Load Profile Initial value:

    1 configured item.

  • DMAC Discovery — Destination MAC discovery Initial value:

    Packet template.

  • Fixed DMAC — Fixed Destination MAC Initial value:

    00:01:00:00:00:01.

  • Source IP for ARP — ARP From Source IP Initial value:

    not set.

  • Target/Gateway IP to ARP — ARP the destination or gateway IP address Initial value:

    not set.

  • Packet Length Distribution — Packet Length Distribution Initial value:

    original.

  • Fixed Length (Include FCS) — Fixed Length (Include FCS) Initial value:

    1024.

  • Fixed List of Length (Include FCS) — Fixed Lengths (Include FCS) Initial value:

    64,128,256,512,1024.

  • IMix Length Distribution — Internet Mix traffic length distribution Initial value:

    3 configured items.

  • Method to Fill Payload — Fill Payload with Method Initial value:

    random.

  • Text Pattern — Text Pattern used to fill Initial value:

    Filled with Text.

  • Hex Pattern — Hex Pattern used to fill Initial value:

    01020304_AABBCCDD.

  • Modifier List — List of modifiers Initial value:

    None.

  • Disable MAC Filter (Promiscuous) — Disable MAC filter, enable promiscuous mode Initial value:

    Enabled.

STL PktGen properties panel in the NextIO Service Editor
STL PktGen properties panel

Back to component list

AppSim Center

AppSim Center component icon
AppSim Center component icon

Builds and runs application traffic simulations.

Connection Initial count Initial pad names Allowed count Properties panel
Input 0 None 0 Hidden (fixed)
Output 0 None 1 Hidden (fixed)

Configuration Reference

  • Client Port — Use client port Initial value:

    enable.

  • Client Traffic Generation Port — Select traffic generation port for client Initial value:

    Required.

  • Client Port AutoNeg — Select port autonegotiation mode Initial value:

    Required.

  • Client Port Speed — Select port link speed Initial value:

    Required.

  • Server Port — Use server port Initial value:

    enable.

  • Server Port — Select traffic generation port for server Initial value:

    Required.

  • Server Port AutoNeg — Select port autonegotiation mode Initial value:

    Required.

  • Server Port Speed — Select port link speed Initial value:

    Required.

  • Duration and Load Profile — Duration and Load Profile Initial value:

    1 configured item.

  • Client Networks — Client Network Initial value:

    Client Net 1.

  • Server Networks — Server Network Settings Initial value:

    Server Net 1.

  • App Templates — Application traffic templates Initial value:

    HTTP.

AppSim Center properties panel in the NextIO Service Editor
AppSim Center properties panel

Back to component list

Bit Error Rate

Bit Error Rate component icon
Bit Error Rate component icon

Measures bit errors across a generated test stream.

Connection Initial count Initial pad names Allowed count Properties panel
Input 0 None 0 Hidden (fixed)
Output 1 1 1 Hidden (fixed)

Configuration Reference

  • BER Traffic Port — Select BER traffic generation port Initial value:

    Required.

  • BER Mode — Select BER mode Initial value:

    Required.

  • Port AutoNeg — Select port auto-negotiation mode Initial value:

    Required.

  • Port Speed — Select port link speed Initial value:

    Required.

  • BER Test Profile — Bit Error Rate test profile Initial value:

    1 configured item.

  • BER Test Profile — Bit error rate test Profile Initial value:

    1 configured item.

  • Test Topology — Frame Mode Test Topology Initial value:

    l2.

  • Destination MAC — Fixed Destination MAC Initial value:

    00:01:00:00:00:01.

  • Source MAC — Fixed Source MAC Initial value:

    00:02:00:00:00:02.

  • Use 802.1Q VLAN — Use 802.1Q VLAN layer to guide packets Initial value:

    Disabled.

  • VLAN ID — VLAN ID Initial value:

    100.

  • Ethertype — Ethernet Type Field Initial value:

    34997.

  • Container Frame Length — Fixed container frame length Initial value:

    9000.

Bit Error Rate properties panel in the NextIO Service Editor
Bit Error Rate properties panel

Back to component list

RFC-2544

RFC-2544 component icon
RFC-2544 component icon

RFC 2544 network performance test

Connection Initial count Initial pad names Allowed count Properties panel
Input 0 None 0 Hidden (fixed)
Output 0 None 0 Hidden (fixed)

Configuration Reference

  • Port A — RFC-2544 Port A Initial value:

    Required.

  • Port-A AutoNeg — Select port autonegotiation mode Initial value:

    Required.

  • Port-A Speed — Select port link speed Initial value:

    Required.

  • Select Packet Database Location and Filename — Select location to store the uploaded packets Initial value:

    Required.

  • DMAC Discovery — Destination MAC discovery Initial value:

    Packet template.

  • Fixed DMAC — Fixed Destination MAC Initial value:

    00:01:00:00:00:01.

  • Source IP for ARP — ARP From Source IP Initial value:

    not set.

  • Target/Gateway IP to ARP — ARP the destination or gateway IP address Initial value:

    not set.

  • Port B — RFC-2544 Port B Initial value:

    Required.

  • Port-B AutoNeg — Select port autonegotiation mode Initial value:

    Required.

  • Port-B Speed — Select port link speed Initial value:

    Required.

  • Port B: Select Packet Database Location and Filename — Select location to store the packets for Port B Initial value:

    Required.

  • DMAC Discovery — Destination MAC discovery Initial value:

    Packet template.

  • Fixed DMAC — Fixed Destination MAC Initial value:

    00:01:00:00:00:01.

  • Source IP for ARP — ARP From Source IP Initial value:

    not set.

  • Target/Gateway IP to ARP — ARP the destination or gateway IP address Initial value:

    not set.

  • Max Test Rate — Max Test Bit Rate Initial value:

    10.

  • Use Bi-directional Traffic — Send traffic on both ports Initial value:

    Enabled.

  • Load Search Low Bound (%) — The minimum load to search in percentage Initial value:

    0.

  • Load Search High Bound (%) — The maximum load to search in percentage Initial value:

    100.

  • Duration (sec.) per Load Iteration — Test Duration in Seconds per load iteration per packet length Initial value:

    30.

  • Minimum Load Resolution (%) — Minimum load resolution before the end of search Initial value:

    1.

  • Acceptable Packet Loss — Acceptable packet loss Initial value:

    0.01.

  • First Offerred Load (%) — The starting load used at the begining of the test Initial value:

    50.

  • Max Iterations Per Packet Length — Max iterations to perform per packet length Initial value:

    30.

  • Length Mode — Packet Length Mode Initial value:

    inc.

  • Packet Fixed Length — Fixed packet length Initial value:

    128.

  • Incease Length From — Increase length from Initial value:

    64.

  • Increase Length To — Increase length to Initial value:

    9216.

  • Increase Step — Length step Initial value:

    128.

  • Decrease Length From — Decrease length from Initial value:

    64.

  • Decrease Length To — Decrease length to Initial value:

    9216.

  • Decrease Step — Length step Initial value:

    128.

  • List of Packet Length — List of packet length Initial value:

    128, 256, 512, 1024, 1518.

  • Disable MAC Filter (Promiscuous) — Disable MAC filter, enable promiscuous mode Initial value:

    Enabled.

RFC-2544 properties panel in the NextIO Service Editor
RFC-2544 properties panel

Back to component list

Packet Replay

Packet Replay component icon
Packet Replay component icon

Packet replay

Connection Initial count Initial pad names Allowed count Properties panel
Input 0 None 0 Hidden (fixed)
Output 0 None 0 Hidden (fixed)

Configuration Reference

  • Select Traffic Port — Select traffic generation port A Initial value:

    Required.

  • Port AutoNeg — Select port autonegotiation mode Initial value:

    Required.

  • Port Speed — Select port link speed Initial value:

    Required.

  • Packet Selector — Port-A Packet Selector Initial value:

    1 configured item.

  • Modifier List — List of modifiers Initial value:

    None.

  • Enable Port B — Enable replay port B Initial value:

    not set.

  • Replay Port-B — Select traffic generation port B Initial value:

    Required.

  • Port-B AutoNeg — Select port autonegotiation mode Initial value:

    Required.

  • Port-B Speed — Select port link speed Initial value:

    Required.

  • Packet Selector — Port-B Packet Selector Initial value:

    1 configured item.

  • Modifier List — List of modifiers Initial value:

    None.

  • Keep Packet Order reference to Port-A — Keep Packet Order reference to Port-A Initial value:

    Disabled.

  • Duration and Replay Control — Duration and Load Profile Initial value:

    1 configured item.

  • Select PCAP to replay — Select PCAP location Initial value:

    Required.

  • Disable MAC Filter (Promiscuous) — Disable MAC filter, enable promiscuous mode Initial value:

    Enabled.

Packet Replay properties panel in the NextIO Service Editor
Packet Replay properties panel

Back to component list

WAN Emulator

WAN Emulator component icon
WAN Emulator component icon

WAN emulator

Connection Initial count Initial pad names Allowed count Properties panel
Input 1 1 1 Names editable
Output 1 1 1 Names editable

Configuration Reference

  • Enable when start — Enable WAN emulator when the service starts Initial value:

    Disabled.

  • Emulate Packet Loss — Enable packet loss emulation Initial value:

    Disabled.

  • Loss Rate Numerator — Packet loss numerator value Initial value:

    0.

  • Loss Rate Denominator — Packet loss denominator value Initial value:

    1.

  • Emulate Packet Reorder — Enable packet reorder emulation Initial value:

    Disabled.

  • Reorder Queue Depth — Queue depth used for reordering packets Initial value:

    0.

  • Reorder Trigger Threshold — Threshold to trigger packet reordering Initial value:

    0.

  • Reorder Burst Size — Burst size for packet reordering Initial value:

    0.

  • Emulate Jitter — Enable packet jitter emulation Initial value:

    Disabled.

  • Base Delay (ns) — Base delay applied to packets in nanoseconds Initial value:

    0.

  • Jitter Range (ns) — Jitter range in nanoseconds Initial value:

    0.

  • Max Delay (ns) — Maximum delay in nanoseconds Initial value:

    0.

  • Emulate Duplication — Enable packet duplication emulation Initial value:

    Disabled.

  • Duplication Rate Numerator — Packet duplication numerator value Initial value:

    0.

  • Duplication Rate Denominator — Packet duplication denominator value Initial value:

    1.

  • Duplication Max Copies — Maximum duplicate packets to generate Initial value:

    1.

  • Emulate Bit Error — Enable bit error insertion Initial value:

    Disabled.

  • Bit Error Rate Exponent — Interpret as BER of 1E-<value>; 0 disables bit error insertion Initial value:

    0.

  • Bit Error Packet Offset (bytes) — Start of the eligible packet region in bytes from packet head Initial value:

    0.

  • Bit Error Flip Range (bits) — Eligible span in bits; 0 extends selection to the end of the packet Initial value:

    0.

  • Emulate Bandwidth Limit — Enable bandwidth shaping emulation Initial value:

    Disabled.

  • Rate (bps) — Bandwidth rate in bits per second Initial value:

    0.

  • Bucket Size (bytes) — Token bucket size in bytes Initial value:

    0.

WAN Emulator properties panel in the NextIO Service Editor
WAN Emulator properties panel

Back to component list