sh ip int bri | inc 3/5     =>查看Port是否assigned ip，若沒有走vlan mode 為Layer 3

sh int status               =>查看interface 狀態，可知道Vlan為何?

sh int status | inc 3/5     =>查看某一interface之狀態

sh run interface gi3/5      =>查看某一interface上面之設定值

sh run interface vlan1      =>查看某一vlan之設定值

interface Vlan1
 ip address 192.168.1.1 255.255.255.0
 ip helper-address 192.168.1.102
 standby 1 ip 192.168.1.254
 standby 1 timers 2 6
 standby 1 priority 200
 standby 1 preempt
 standby 1 mac-address 2012.0512.1432
end

sh process cpu             =>查看switch or process cpu用量
sh process memory     =>查看switch or process memory用量