How to Enable SSH on Cisco Switch, Router and ASA
http://www.thegeekstuff.com/2013/08/enable-ssh-cisco/
To disable telnet
myswitch#configure terminal myswitch(config)#line VTY 0 15 myswitch(config-line)#Transport preferred ssh
tec support log
sh tech sh switch detail sh switch neighbors sh switch stack-ring speed
Link Aggregation
Switch(config)#interface range gigabitEthernet 1/0/21 -23 Switch(config-if-range)#channel-protocol lacp Switch(config-if-range)#channel-group 12 mode active