Set the IP address for Layer 3 Switch
Default Switch layer 3 works in layer 2. And so we often do not set the IP address for the port Switch (Layer 2 Switch does not set the IP address for each port)
You want to use Layer 3 switch as router to connect to another facility, so you need to set the IP address for the port on the switch.
Configure the IP address for switch the same on Router. Before placing IP address on Port, We must enter command “no switchport” on port of Switch layer 3.
Set IP on Layer 3 switch
SW1 (config) #interface fast 0/1
SW1 (config-if) #no switchport
SW1 (config-if) #no shut FastEthernet0 / 1, changed state to down
02:19:30:% LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0 / 1, changed state to up
SW1 (config-if) #ip address 188.8.131.52 255.255.255.0
+ Then we are done configuring the network routing on Swlayer3 through this port.
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