What happens during the upgrade

After the switch boots the software for this release, the MCLAG-related configuration is removed allowing for the configuration of VSX. The following configuration changes occur:

  • All MCLAG configuration items are removed, which includes the following:
    • The MCLAG ISL (Inter-Switch Link)
    • The MCLAG keepalive
    • Any MCLAG keepalive hello, hold, or dead timers
    • The MCLAG device priority
  • All active-gateway configuration items are removed
  • All multichassis LAG configurations remain configured
  • All multichassis LAGs are held in a down state until VSX is configured