Upgrading from a TCC+ to a TCC2 should not be service affecting. First the standby TCC is replaced and allowed to reboot, do a side switch, then the old active (now stanby) is replaced. There is an upgrade procedure available. For R4.1 see:
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community:
