hi all,i want to study SDWAN , but i need what is pre-request to study? i already study CCNA, so what i need next? also i need videos or guide to start.thanks

hi all,i have some inquiries for WLC 3504- how can i get current TLS version applied on WLC ?- how can i get current SSL version applied on WLC ?- what is recommended version for SSL now and TLS ?- when i access WLC GUI i need to install certificate ...

hi allis there anyway to check switch IOS before upgrade IOS from DNAc?i mean i need to upgrade my switch from DNAc, but i need first to check the availability for switch ( especially  in Stack ) as there are some switch are down or lost connectivity...

hi all,in compliance status in DNAc, i have 2 setting :Fabric and Network Profilesin my switch they are always not compliance in both.i have 2 questions:-- what are they point to ?- how can i fix them ?

good day for all,i need to know how to enable External Presentation Information?the purpose of it is when i have extension number 1001 and set External Presentation Information with same number 1001, and i call external call ( mobile call ) it will s...