I have a local network with 7 SG300-28PP 28-port Gigabit PoE+ Managed Switches and 1 SG500 24 port Gigabit PoE+ switch (main switch). One of the SG300 is having issues connecting Cisco IP Phones 7940 to the voice vlan. I have defined Vlan 2 as voice ...

Hello all,I have a customer which has a main location office and a remote one. Recently we interconnect their facilities using a local ISP service called Virtual Connectivity, which basically is a private network which can be accessed over aDSL or an...