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v2.1

Daniil Bobryshev

Released May 26, 2026

New features​

Traffic generation and replay​

  • Significantly expanded PCAP Replay:
    • Added replay for TCP, UDP, and mixed TCP/UDP captures
    • Added both unidirectional and bidirectional replay
    • Source addresses and ports can be preserved from the capture or replaced with test-network values
    • Added rules for replacing application-layer content before a scenario starts
    • Added secure HTTPS scenarios
    • Added dedicated metrics for replay quality, connection activity, and transferred traffic volume
  • Added Dynamic Applications:
    • Custom applications can be built from real traffic captures
    • Specific capture sessions can be selected and assigned a target application rate
    • Added TCP, UDP, and mixed applications
    • Requests, headers, addresses, URL parameters, and other application data can be parameterized
    • Scenarios can reproduce the behavior of user groups as well as individual requests
  • Added HAR Replay for reproducing HTTP scenarios from HAR archives:
    • Added HTTP/1.1, HTTP/2, and HTTPS support
    • Added connection-reuse settings
    • Browser-recorded web scenarios can now be moved into load testing
  • Added CVE Replay for validating network-security controls:
    • Added signature-package import with vulnerability descriptions, products, protocols, and replay scenarios
    • Added filters for products, protocols, vectors, CVE years, and CVSS scores
    • Added a quick-test mode that runs every selected variation once
    • Each attempt records whether the scenario completed, was blocked, timed out, or did not receive the expected response
    • Added scenarios with requests, responses, reverse connections, and UDP exchanges
    • Added dedicated dashboards and event tables for analyzing results
  • Added file-transfer scenarios:
    • File transfer over HTTP and HTTPS
    • Large-file support
    • A separate malware-transfer scenario based on imported PTI packages
    • A quick-test mode that transfers each selected file once
    • Metrics for transfer progress, time to first response, total transfer time, and errors
  • Added Elephant Flow TCP and Elephant Flow UDP for long, high-speed flows:
    • Configure the number of flows, transferred-data size, and target rate
    • These scenarios support testing backbone links, buffering, QoS, and network resilience under sustained load
  • Added RoCEv2:
    • Added client and server roles
    • Added parameters for testing data networks under RDMA load
    • Added telemetry for priority-based flow control
  • Added L2 convergence measurement:
    • Added probe-flow generation
    • Added control of network events while a task is running
    • Added events and a dashboard for analyzing traffic-recovery time

Control plane and routing​

  • Expanded control-plane protocol emulation:
    • Integrated IS-IS, OSPFv2, OSPFv3, BGP, and LDP into the complete task create-and-run workflow
    • Added BFD, RIPv2, IGMP/MLD, PIM, Link OAM, and CFM
    • Added BGP-LS and BGP FlowSpec
    • Added L2VPN scenarios: PWE3, VPLS, VPWS, EVPN, PBB-EVPN, and FEC129
    • Added MPLS-TP, MPLS OAM, mLDP, BGP SR-TE, RT-Constraint, and L3VPN/6VPE
    • Added topology generators, prefix ranges, and BGP prefix import
    • Added commands for changing protocol state while a task is running
  • Added dedicated control-plane events:
    • Protocol-state changes are visible during a test
    • Events can be filtered by severity
    • Convergence scenarios now provide intermediate and final results

Tunnels and access scenarios​

  • Added a tunnel library:
    • Added IP-IP, GRE, VXLAN, VLAN, MPLS, and IPsec
    • Added tunnel chains and nested tunnels
    • Tunnels can be selected in the task builder and combined with standard traffic-generation scenarios
    • Added IPsec transport and tunnel modes, tunnel groups, and scaling settings
  • Added Access Groups:
    • Added DHCPv4, DHCPv6, PPPoE, and IPoE
    • Access sessions can act as sources and destinations for test traffic
    • Added IPv4, IPv6, VLAN, and Q-in-Q scenarios
    • Added cross-agent access-session pairing for bidirectional tests
  • Added physical interface actions while a task is running:
    • Users can initiate an interface flap from the task interface
    • The event is included in test results and helps validate service recovery after a network failure

Integrations and automation​

  • Added a gateway for external-system and service-account integrations:
    • Added service-account API keys
    • Added a catalog of ready-to-use task recipes
    • Added task-draft validation before creation
    • Added task creation, start, stop, and analysis operations
    • Added inventory access and managed library records
  • Added task export and import:
    • A task can be saved to a file and moved to another environment
    • One or more tasks can be imported at once
    • After import, the user remains on the task list and immediately sees the created records

Web interface​

  • Updated the user interface:
    • Redesigned sign-in, the home page, task lists, the library, users, and groups
    • Redesigned the task builder, including the task card, scenario list, traffic diagram, dialogs, and notifications
    • Improved loading, error, empty-table, and long-value states
    • Added more predictable tables, filters, search, pagination, and guidance
  • Added the PCAP Replay interface:
    • Traffic-capture library
    • Capture analysis before a run
    • Replay-mode, session, and data-replacement rule selection
    • Agent file-readiness checks before startup
  • Added the Dynamic Applications interface:
    • Application creation wizard based on a traffic capture
    • Session browsing and flow selection
    • Application-parameter editing
    • Dedicated application-library section
  • Added the CVE Replay interface:
    • Network-vulnerability library
    • Product, protocol, CVSS, and year filters
    • Scenario descriptions, variations, and traffic-sequence views
    • Bulk CVE selection for a task
  • Added the malware-file interface:
    • Package import
    • Import history
    • Tag, date, and metadata filters
    • URL import with progress reporting and cancellation
  • Added the tunnel-library interface:
    • Create and edit IP-IP, GRE, VXLAN, VLAN, MPLS, and IPsec tunnels
    • Select tunnels in the task builder
    • Configure the nesting order
  • Added access and network settings:
    • DHCPv4/DHCPv6, PPPoE/IPoE, and VLAN/Q-in-Q
    • IPv4/IPv6 networks in the library
    • MAC-address policies and configuration previews
  • Added the control-plane interface:
    • Forms for new protocols and L2VPN/MPLS scenarios
    • Convergence-event controls while a task is running
    • Dedicated control-plane events tab
  • Added dashboards for new scenarios:
    • PCAP Replay
    • File Transfer and Malware File Transfer
    • Dynamic Applications
    • CVE Replay
    • RoCEv2
    • Elephant Flow TCP/UDP
    • L2 Convergence
    • Control plane, L2VPN, MPLS, and IPsec
  • Added task report export:
    • PDF reports containing dashboards
    • HTML/CSV export
    • Task-configuration export
  • Improved agent file-synchronization notifications:
    • Overall progress
    • Transfer rate
    • Remaining data volume
    • Active progress resumes after reconnecting to the interface

Improvements​

Task startup and operation​

  • Optimized IPsec scenarios with improved tunnel scaling and high-load stability; results are published in the performance section
  • Improved multi-agent task startup reliability:
    • Server and client roles are prepared in coordination
    • If startup partially fails, the system correctly stops roles that have already started
    • Startup errors appear in the interface sooner
  • Improved task shutdown:
    • Active connections and scenarios finish more reliably
    • Final metrics are saved before shutdown
    • Agents return to the available state more reliably after abnormal termination
  • Improved load distribution across network ports and compute resources:
    • Scenarios hold their configured rate more consistently
    • High-speed tests scale more effectively across multiple ports and directions
    • Stateless scenarios now ramp up more smoothly
  • Improved large-scenario handling:
    • More accurate resource checks before startup
    • More reliable startup for large IPsec, PCAP Replay, Dynamic Applications, and File Transfer tasks
    • Improved resource cleanup after task shutdown
  • Improved secure HTTP scenarios:
    • Greater HTTPS and HTTP/2 stability
    • Improved large-response and large-file handling
    • Expanded support for Russian cryptographic scenarios
  • Improved tunneled traffic:
    • Packet-size constraints are handled more accurately
    • Improved nested-tunnel behavior
    • Better compatibility between standard traffic-generation scenarios and IPsec, VXLAN, VLAN, and MPLS
  • Improved access scenarios:
    • DHCP/IPoE/PPPoE sessions are associated with primary test traffic more reliably
    • Improved IPv4 and IPv6 support
    • More reliable task startup after access sessions are established
  • Improved controller-to-agent file synchronization:
    • Separated user files, traffic captures, malware packages, CVE packages, and dynamic applications
    • Added resynchronization after reconnection
    • Old agent files are removed automatically
    • Imports are prevented from starting when space is insufficient

Interface and usability​

  • Improved task navigation:
    • Statuses update without a manual page refresh
    • Logs become available sooner
    • Startup errors are more detailed and easier to understand
  • Improved task and library pages:
    • Added sorting, search, pagination, and quick actions
    • Large tables are easier to use in daily workflows
    • Long values render reliably without breaking the layout
  • Improved the running-task page:
    • The task title behaves consistently when moving between statistics, logs, and events
    • Dashboards open inside the interface without a separate sign-in
    • Removed unnecessary scrollbars from large views
  • Improved localization:
    • The selected language persists after a page refresh
    • Russian and English interfaces now cover the same core sections
  • Improved accessibility:
    • Focus returns more reliably after dialogs close
    • Added tooltips to icon buttons
    • Long values receive automatic tooltips
  • Improved packet-capture settings:
    • Added an ARP filter
    • Added a free-space check before startup
    • Added clearer warnings before creating a capture
  • Improved interface environment validation:
    • Required parameters are validated at startup
    • Configuration errors appear sooner and are easier to understand

Metrics and analytics​

  • Added dashboards and panels for PCAP Replay, File Transfer, Malware File Transfer, Dynamic Applications, CVE Replay, RoCEv2, Elephant Flow, IPsec, and control-plane scenarios
  • Added aggregate CVE Replay outcomes: completed, blocked, timed out, and no expected response
  • Added File Transfer metrics for progress, final outcome, and errors
  • Added PCAP Replay metrics for connection activity, replayed traffic volume, and replay quality
  • Added runtime events and final probe-flow results for Convergence
  • Added severity filtering and task association for control-plane events

Fixes​

Traffic generation and replay​

  • Improved PCAP Replay stability for:
    • TCP, UDP, and mixed-capture replay
    • Session selection
    • Preservation of original addresses and ports
    • Bidirectional-session completion
    • Capture replay inside tunnels
    • Connection-activity and traffic-volume metrics
  • Improved File Transfer stability for:
    • Large-file transfers
    • Transfer completion without false statuses
    • HTTP/2 and HTTPS
    • Response-time, progress, and error metrics
  • Improved Malware File Transfer stability for:
    • Malware-package import and reading
    • File selection in tasks
    • Correct transfer-result display
  • Improved CVE Replay stability for:
    • Signature-package import and parsing
    • Variable substitution in scenarios
    • Request-only and response-only scenarios
    • UDP scenarios
    • Quick-test mode
    • Per-attempt outcome display
  • Improved Dynamic Applications stability for:
    • Load distribution across users and sessions
    • Persistence of selected sessions
    • Mixed TCP/UDP applications
    • Smooth target-rate delivery
    • Task completion without false errors
  • Improved IPsec and tunnel-scenario stability for:
    • Routing inside IPsec
    • Nested VXLAN/VLAN/MPLS/IPsec scenarios
    • Standard traffic-generation scenarios inside tunnels
    • Correct packet-size handling inside tunnels
  • Improved Access Groups stability for:
    • DHCPv4/DHCPv6 cold start
    • IPv4 gateway acquisition
    • Session-information collection
    • Peer-group association across agents
    • Fewer unnecessary events during normal completion
  • Corrected control-plane behavior for:
    • OSPF, BGP, BFD, and FlowSpec configuration generation
    • Tasks that contain only control-plane traffic
    • Correct event and protocol-state display
  • Corrected task startup and shutdown:
    • Agents no longer remain in a running state after abnormal termination
    • Startup failures are reported without unnecessary delay
    • A partial multi-agent startup no longer causes incorrect task termination
    • Task logs are retained completely after early termination

Web interface​

  • Prevented unexpected sign-outs during session refresh
  • Prevented hangs and unnecessary reloads when opening or starting a task
  • Corrected scrolling in logs, statistics, dashboards, and large dialogs
  • Corrected table-rendering conflicts after interface updates
  • Corrected clipping and overlap in icons, menus, tooltips, and long values
  • Prevented stale drafts when creating a new task
  • Corrected task import:
    • Added support for multiple files
    • Imported tasks appear in the list without an unnecessary redirect
    • Configurations are copied safely without mutating source data
  • Corrected selection of CVEs, traffic captures, and files:
    • Validation of empty rules
    • Stable pagination
    • Correct bulk selection
    • Correct display of selected items
  • Corrected CVE-library display:
    • Metadata
    • Variation counts
    • Scenario descriptions
    • Application data
  • Corrected embedded-dashboard display:
    • Background and embedded-view dimensions
    • Automatic refresh
    • Scrolling
    • Connection-error messages

Installation and update instructions are available in the Installation section of the current documentation.