VOSS 7.0 GNS3 image on GitHub Posted on May 3, 2018 by avayarob Reply https://github.com/extremenetworks/Virtual_VOSS 7.1 and 8.1 also available.
VSP Optics Posted on May 3, 2018 by avayarob Reply https://www.extremenetworks.com/extreme-hardwaresoftware-compatibility-recommendation-matrices/vsp8600-components-sfp-sfp-qsfp-support/ Extreme: https://www.extremenetworks.com/product/campus-transceivers/
explorerob's Blog 