I have a Cisco SMB500 52-port switch that has never been used. These switches are no longer supported, but I need the IOS to upgrade it to the version before it was discontinued. Can anyone help me with this issue? Cisco Support asked me to contact t...

Good  EveningI have two Vlan configured for Data and Voice.Two DHCP scopes are   configured for both vlansTelephone is plugged into port  and Pc is  plugged into telephone. Data Vlan is Untagged while  voice is tagged.DHCP works for the  data vlan wh...