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Then you can tell which switch is getting an address If its not 192.168.0.239 then check your DHCP server configuration page on the draytek 2860 and see that the address is being issued and to which MAC - hopefully it matches that on a label on the outside of switch - the last octet may be different from what you see on the network as each VLAN needs a different MAC address. If this is so then they probably are "fighting" over the address - in that they will all respond to ARP requests and whichever is last will win, This makes it very difficult to connect to them. Finally what address do you get for the GS105Ev2 switch that you see - if its 192.168.0.239 then I believe all three have not got DHCP server assigned address and so have the same IP address and so only one will show up. First what is your DHCP server giving out? Second this does not include 192.168.0.239 which is the default for both switches so change that.

Please download and install these two packages from Microsoft web site.Switches do not need an IP address to operate as a switch - the purpose of giving a switch an IP address is for management access to the switch - so the switch will work as a switch even if it has bad or unreachable IP addressesįor both the GS105Ev2 and the GS716T the switch will either get a DHCP address or if it cannot then get the address 192.168.0.239/24. If this error message - “HTTP request error” shows up after installing and lunching the ProSAFE Plus Configuration Utility on your computer for the first time, this means that your OS missed “Microsoft Visual C++ 2005 Redistributable Package (x86)” and “Microsoft Visual C++ 2008 Redistributable Package (x86)”.