As per my understanding and experience,Cisco Layer 3 Switches are consist of atleast 48 port and more.
No, not at all. There are 8 port Catalyst 3560 switches available, going further over 12-port, 24-port and up to 48-port in a fixed configuration. The question is, however, whether it is wise to buy such a switch with such a small number of ports as 8 ports. Regarding the possible growth of network in the future and implementation of EtherChannels, it may be actually more reasonable to buy a 12-port or 24-port Catalyst switch.
Regarding multilayer capabilities, all Catalyst switches starting from 3560 and higher are multilayer-capable (i.e. 3560, 3560V2. 3560-E, 3560-X. 3750, ...). I suggest having a look at these model comparison charts:
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...