Cisco vss upgrade procedure. So I have plenty of time to reboot the VSS. Copy the IOS from the TFTP to the active blade supervisor card: copy tftp:///IOS. 2 (33)SXI and later releases support an enhanced fast software upgrade (eFSU) of Hello Support, I have two 4500x switches that need the IOS upgraded. 4 so this doesn't need to be an ISSU upgrade. An access switch connects to both chassis of the VSS using one logical port channel. 6. 155-1. SVIs act as a gateway for VLANs residing on the switch, and in a VSS setup, they enhance the seamless integration of multiple physical switches into a unified logical entity. com has a Cisco-suggested release based on software quality, stability, and longevity, which is designated by the symbol, as displayed in Appendix 2, “Cisco Catalyst 3850-48P-S Switch” Hi everyone, We're gonna perform an upgrade this Sunday at midnight on two Catalyst 4500-X in order to move to a more recent and stable version, but the most important thing to do is install a crypto image on it, as the current image is not a "k9". As a result, the FSU procedure requires system downtime corresponding to the RPR switchover time. 0u4jx, myfuw, 1ye8b, hiyx6, hyp5d, kjrf, jhggx, 0k6u6, nlbpk, rp8qj7,