I have a 3 unit 2960S stack with each member running 12.2(55)SE5 I want to add a 4th unit running 12.2.(55)SE10 Are these considered the same or at least compatible versions (12.2.(55)) as far as stacking goes?  I really just want to be able to wr er...

Do secondary IP addresses on a router interface create, in effect, separate broadcast domains?For example (using 24-bit masks):interface etherthernet0ip address 192.168.1.1 secondaryip address 10.1.1.1Are PCs in the 192.168 subnet considered to be in...

We have several remote locations using the 3002 client connecting to a 3030 head end here at corp.We moved offices last week. I had to swap out some equipment. Am having a devil of a time getting it working again. The 3002s can see the 3030, but it'...