I'm removing port-security from our environment, and I have one port on two different switches that I cannot remove switchport port-security maximum.  Both likely have a phone with pc attached to it (standard deployment). Everytime I try to remove it...

So all the data sheets that I can find for 3850s state the stack limit is 4 switches.  However release notes IOS XE Release 3.3.0SE  state up to 9 switches can be added to a stack.  Does anyone know if that's limited to a port count, or can you truly...

We have a bunch of 4510R-E running sup Vs with WS-X4548-RJ45V+ blades in them.  We are upgrading the sups to sup8's.  First obstacle was the ios.  Sup8's need ios 3.7 to run in a 4510R-E.  Now the sups come up in the chassis, but all the 4548 blades ...

Any thoughts on this?  Having a strange problem.  On some of our newer 4510s (SUP 8e), I'm having some devices not getting dhcp addresses until I take off port-security.The background:  on at least two 4510s, new installs, everything comes up and wor...