BCMSAI 4.3.0.10, 6.5.21 SDK release with enhancements and fixes for vxlan, TD3 MMU, TD4-X9 EA support, etc.
This is upgrading code as-is. The build will fail. Signed-off-by: Ying Xie <ying.xie@microsoft.com>
Signed-off-by: Guohan Lu <gulv@microsoft.com>