284 Managing General System Settings
To increase security, you can require authentication between the configured
SNTP server and the SNTP client on the switch. Authentication is provided
by Message Digest 5 (MD5). MD5 verifies the integrity of the
communication and authenticates the origin of the communication.
What Configuration Is Required for Plug-In Modules?
The N3000/N4000 series switches support several different plug-in modules
(also known as cards) for the expansion slots located on the back of the
switch. For information about the slots and the supported modules, see
"Hardware Overview" on page 91. You can preconfigure the card type prior to
inserting it into the switch.
Hot-swap is supported on the N3000/N4000 switch modules. However, the
switch must be rebooted for the new module to be recognized after it is
inserted.
Before inserting a new module into the expansion slot that was previously
occupied by a different type of module, issue a no slot command from the
CLI so that the switch can recognize the new module.
Once a module hs been recognized by the switch, its configuration is stored
locally on the switch as the switch default. The module configuration appears
in the running-config for informational purposes.