# What's New?

## Release 3.4

* New IPv6 usecases
* Graceful restart hadening
* VXLAN - type 5 route scalability to 80000 routes
* VXLAN - VM Mobility use case
* VRRP coverage
* Management VRF
* Control plane ACL (CACL) coverage

## Release 3.3

* VRRP 
* DHCP Relay
* syslog TCPDump 
* Tacacs passkey encryption, 
* BFD
* QoS Buffer Testing
* SNMP walk to loopback interface
* IPv6 enhancements

## Release 3.2

#### Enhanced BGP Scalability Testing

* Support for testing up to 64 ECMP paths and 128K (IPv4 + IPv6) routes
* Enhanced BGP resilience testing 
* iBGP route testing with up to 8 ECMP paths and 16K routes

#### Comprehensive L3 EVPN-VXLAN Testing

* BGP unnumbered and numbered L3 EVPN-VXLAN fabric validation
* Inter-VLAN and intra-VLAN L3 traffic forwarding tests with route scaling from 16K to 128K
* Network resilience tests, including node drain and link drain scenarios
* Static Anycast Gateway (SAG) validation with bidirectional L3 traffic

#### Additional Improvements

* Warm reboot support for ECMP scalability testing
* QoS testing with DWRR scheduling algorithm verification
* Dynamic route scale determination
* MCLAG testcase hardening
* NetOps testcase Hardening

## Release 3.1

* QoS
* Stress testing
* EVPN/L2VXLAN enhancements
* More SNMP coverage
* Fast reboot testing
* Platform CLI coverage
* More verifications in resilience testcase 

## Release 3.0

* STP
* Storm control
* Static Lag
* Dynamically find the route scalability limits
* Route scalability enhancements
* Default route advertisement
* Max MED verification
* Runtime optimization

## Release 2.3.0 

* MCLAG with Layer2 
* MCLAG with Layer3
* EVPN VxLAN
* IPv6 prefix route(4K, 64K, 128K) Scalability
* BGP Dual Stack (64K and 128K) Scalability
* Core file detection during test execution

## Release 2.2.0 (10/5/2023)

* ECMP Scalability
* BGP Dual Stack Scalability
* BGP Graceful Restart
* New BGP netops usecases
* Dynamic Port Breakout
* Support for chaos on routed ports (no port channel configuration)
* Support for chaos on routed port-channel
* Debuggability enhancements
  * Syslog capture for all devices for the testcase duration
  * Techsupport dump for in case of test failure
  * Printing DOM information if ports fail to come up
  * Easier identification of Ixia sessions by appending test id to session name

## Release 2.1.0 (7/7/2023)

* Scalability enhancements: 
  * Replaced the cases with fixed values by the variant of supported range test cases.
  * Parametrized scale value to the maximum supported range .(example: scale\_val = 64/128/256/512 )<br>

* BGP Netops coverage:&#x20;

  * eBGP multi-AS config, adjacency, route convergence and data path using router interface
  * eBGP Multi-AS Route Convergence and data path using loopback
  * BGP Node Drain - Add route map to remove and restore SPINE nodes 1 and 2 using the Community list
  * Test Link drain - Apply for Route-Map permit and for IPv6 Traffic/Prefixes and prefix lists
  * Node drain: with IPv6 Traffic, Test Node Drain (Spine 1 and Spine 2) for IPv6 Traffic/Prefixes

* Debuggability enhancements:&#x20;

  * Added device status data before and after test cases and added log messages.
  * Added FTAS version display in final report log.

* Platform-specific suite files:&#x20;

  * Added suite files for Wistron, Nvidia and EC

* eBay specific suite files:&#x20;

  * Added suite files for EC4630, EdgeCore AS-97xx

* Platform/Version compatibility check: &#x20;

  * Parameterized variables were added to validate the topology file and supported sonic version.

* Support for auto cleanup before the test run:&#x20;
  * Using this variable devices can be cleaned up forcefully before the test run.&#x20;
  * Cleans up the ACL, routes, ipv4 interfaces, VLANs, port-channel configurations if any on the devices and brings down all the ports before the test run starts.