https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24175#M2600 Three responses in less than 4 minutes... I think it's safe for me to mark this one "Answered."  Wed, 29 Mar 2017 00:41:00 GMT Drew_C 2017-03-29T00:41:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24170#M2595 The title pretty much says it all. Can I upgrade directly from IMG: 16.1.3.6 to 21.1.3 on the Summit x460-G2? I want to make sure their aren't any interim upgrades or patches I need to do prior. I searched for the upgrade matrix to this but couldn't find it. Also, should I be using the .xos or the .xmod file? What's the real difference? Thanks in advance. Wed, 29 Mar 2017 00:34:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24170#M2595 Pierre_Demassey 2017-03-29T00:34:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24171#M2596 Hello Pierre,<BR /> <BR /> This is a direct upgrade. You will need the .XOS file. An .XMOD file is used to modify the functionality of the switch, usually to add additional features.<BR /> <BR /> Thanks<BR /> Brad Wed, 29 Mar 2017 00:36:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24171#M2596 BradP 2017-03-29T00:36:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24172#M2597 Hi Pierre,<BR /> Upgrading from 16.1 to 21.1 is supported. Just take some time to read over the release notes to see about known issues and such.<BR /> <BR /> Regarding .xos and .xmod files, the .xos file is the actual EXOS image. XMODs are used to install additional features, such as openflow, ESVT, and SSH in some versions.<BR /> Wed, 29 Mar 2017 00:37:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24172#M2597 Drew_C 2017-03-29T00:37:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24173#M2598 You can upgrade directly from 16.1.3.6 to 21.1.3 on the X460-G2. You need the .xos file when installing 21.1.3.<BR /> Starting in EXOS 21.1, SSH is integrated into the standard EXOS image. There is no longer a separate XMOD module needed for SSH.<BR /> This is also carried forward starting with EXOS 16.2 and 22.1.<BR /> <BR /> Wed, 29 Mar 2017 00:39:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24173#M2598 Tooley__Akiko 2017-03-29T00:39:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24174#M2599 Thanks for the responses! Wed, 29 Mar 2017 00:41:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24174#M2599 Pierre_Demassey 2017-03-29T00:41:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24175#M2600 Three responses in less than 4 minutes... I think it's safe for me to mark this one "Answered."  Wed, 29 Mar 2017 00:41:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/can-i-upgrade-directly-from-img-16-1-3-6-to-21-1-3-on-the-summit/m-p/24175#M2600 Drew_C 2017-03-29T00:41:00Z