I have a 2811 with one VWIC2-2MFT-T1/E1, one port has a data MPLS circuit and the other has a Voice PRI. I am running c2800nm-advipservicesk9-mz.124-11.XW5.binMy PRI does not get slips but my MPLS does. How do I utilize the independant clocking for e...