HI @Zulan . This kind of configuration is pretty complicated. It usually requires a medium to advanced level of knowledge to deploy. It's admirable you have taken on this challenge, but honestly, I think you would be better off getting a local network engineer to come and assist with this little bit. If you don't have a "regular" you deal with, try the Cisco Partner Locator. https://locatr.cloudapps.cisco.com/WWChannels/LOCATR/openBasicSearch.do @alemabrahao is asking you all the right questions, but I could see this taking a thousand questions to tease out and solve.
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