debug ip gre packet

Activates the debugging of GRE packet processing.
Syntax
debug ip gre packet
no debug ip gre packet
Modes

Privileged EXEC mode

Usage Guidelines
The no form disables debugging of GRE packet processing.
Examples
device# debug ip gre packet
GRE: Error - IP GRE packet with invalid Ptype 0x1A4
GRE: Error - IP GRE packet with invalid first word 0x2C
GRE: Error - IP GRE packet with invalid first word 0x2C 
GRE fragment : Rx IP GRE Pkt: src 10.22.33.254, dst 224.0.0.5, len 64 id 324
GRE Packet too big - need extra processing: Rx IP GRE Pkt: src 10.22.33.254, dst 224.0.0.5, len 64
GRE Reassembly: Rx IP GRE Pkt: src 10.22.33.254, dst 224.0.0.5, len 64
GRE : Rx IP GRE Pkt: src 10.22.33.254, dst 224.0.0.5, len 64
GRE: Error - Rx IP Pkt with invalid Inner IPv4 header
GRE: Error - Rx IP Pkt with 2 GRE headers: Inner src 10.22.33.254, Inner dst 224.0.0.5, len 64
GRE: Dropping the packet as GRE tnnl 11  is not UP
GRE_LP: Error - LP TX GRE packet is in LOOP
GRE : FORWARD IP to GRE tunnel 11 - Pkt: src 10.22.33.254, dst 224.0.0.5, len 64
GRE : Failed to FORWARD IP to GRE tunnel 11  - Pkt: src 10.22.33.254, dst 224.0.0.5, No route
Parent topic: Debug Commands H - P