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A layer 2 switch may need an IP address if the operator wishes to be able to access it without a serial cable. With an IP address, the switch can be access from anywhere with a connection to the network or an Internet connection.
Configure the VTP mode of the switch to transparent. Configure the switch with the same VTP domain name as other switches in the network.
You can configure addresses manually or configure the switch to learn the addresses dynamically. For more detailed information visit the Related Link.
If you do not configure a vty pass you will not be able to telnet to the switch
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VLAN
When you want to configure a switch and/or a router.
When you want to configure a switch and/or a router.
Set VTP revision number to a smaller number
I depends on the manufacturer and model. 192.168.0.0 or 192.168.0.1 are fairly common, but there can be many others.
you plan to use the virtual switch manager you plan to connect to the switch via telnet you plan to use SNMP on the switch