Hello All, On the fastethernet port connecting to the core switch, i have the duplex setting as auto i have this message popping up on the console the HQ router CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on fastethernet0/1 (not full duplex), with SW1 .............. i issue no cdp run it stopped i need to confirm if it does not have an underlying effect because after all the config i could not access the callmanager Any information will be appreciated Thanks
