7507 running 12.4(13) Feb 28 12:38:51: %RSP-3-NO_VC: Packet from GigabitEthernet4/0/0 to Serial1/0/0/6:0 has bad VC 0 expected VC 5 adj VC 5 -Traceback= 0x40354760 0x4123C4C8 0x405469A0 0x405577C0 0x4048E7E4 I can't find RSP-3-NO_VC documented anywhere, or at least Google couldn't find it. Rodney? :-) David