Hi,  I'm trying to configure a new Voice VLAN to all switches and I have a mix of Cisco, HP & Avaya IP Office. What are the perquisites for optimum Design for Voice? Thanks.

I have newly two stacked switch C 9300 I will replace their with core 3750What's the best practise for the new design for network?

Spoiler  Hi Dears,  I have a problem with AP Air-CAP2602e-e-K9  I can't access it via console, and these symbols are appearing. Kindly note that the AP is in standalone mode. 

Hi, I have two switches "c9300 24p " stacked and I want to connect to a switch via connecting two trunks with two ports from the catalyst 2960G. The question is: Is this connection make a loop? and if it makes a loop? what's the best practise for con...

Hi Guys,  I have an issue in some cisco phones that are established the call and I can't hear the other side and there is not ringing tone.