No way. SUP is the one which makes the device to function.You should have SUP

Not sure about qn.1 For qn2. You can use 4908g-l3 as distribution layer switch since it supports layer 3 features also...

Hi, You can configure portfast with set spantree portfast mollari-2> (enable) set spantree ? backbonefast Enable or disable fast convergence disable Disable spanning tree enable Enable s...

Hi, The default ARP timeout is four hours. But you can change it according to ur req. command to change the arp aging time is router(config)#int ethernet 2/0/0 router(config-if)#arp ? arpa Standard arp protocol ...

Uplink Fast : This is to enable the blocked port when the root port link is failed. For example, you can enable uplinkfast on C when the normal link betwen B and A goes down, or on B when the normal link goes down between C and A. So you will be save...