Cisco 3550-12T IP address

Can i set IP address in Cisco 3550-12T in any one of the Gigabit Interface, being a layer 3 switch, it is possible, but when i entered the “ip address 192.168.1.1 255.255.255.252” in “gigabitEthernet 0/1” i get a message “IP addresses may not be configured on L2 links” why is that so? I enabled IP Routing & tried without enabling also, but still i get the same message. Thanks in advance.

Hi Anand,
Though it is a layer 3 switch but default behaviour of ports are layer 2.
To make it layer 3 you have to first give "no switchport" command.
int gig0/1
no switchport
ip address
HTH
Ankur

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