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ESW Switching Issue!!!

             Hello All,

                         I have one 3560 switch and 4 ESW 540 switches. I have each one of the ESW switches trunked to the 3560 individually. I have 2 VLANS. I have VLAN for Data and VLAN 2 for Voice. When I plug up my ip phone to the ESW switch it does not see the voice VLAN 2 and and keeps retrieving a ip from my data VLAN? What does this happen?  My outer will be running CME so I have coonfigured router on a stick with the 2 VLANs configured on the subinterfaces. I can plug a laptop into the ESW switches and get a ip address from the data network and then ping the voice gateway on the router with no problem.