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Cisco WLC, Virtual vs Physical

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Last Modified: 2018-02-02
hello Experts
I will purchase a WLC recently because there are so many autonomous APs which is not easy to manage, i am prefer to have a virtual one, i think i already know the advantage and drawback of the virtual WLC, but i still have something not clear need to be confirmed, appreciate your help
1. does virtual totally same physical WLC while using and configuring it?
2. does virtual WLC support all branch of Cisco APs?
3. while i reading some documents, says APs software need upgrade to at least version 7.3 so that could register to WLC, but i am confused, this version looks like the WLC software version not AP, as i know for APs just need install lightweight image should be fine, could you clarify this point?
4. i already download and deployed virtual WLC version 8.0 with 60 days evaluate license, but i can't get the virtual serial port works follow the installation guide(https://www.cisco.com/c/en/us/td/docs/wireless/technology/mesh/8-2/b_Virtual_Wireless_LAN_Controller_Deployment_Guide_8-2.html), when i try to telnet it seem connected but no any response, please let me know how to fix it.
for i have no experience using a WLC, so there are so many questions and thanks for your understanding.
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