Hello.
GTP-U tunnel packet containing inner packets with TTL < 63 or > 79 are not
recognised as IP packets, due to wrong parsing.
Packets are then dropped as “receive tunnel port is not found” (see logs).
The start of the inner IP header is wrong because gtpu_hlen includes also 8
bytes from the
Classification: Confidential
Hello.
GTP-U tunnel packet containing inner packets with TTL < 63 or > 79 are not
recognised as IP packets, due to wrong parsing.
Packets are then dropped as "receive tunnel port is not found" (see logs).
The start of the inner IP header is wrong because gtpu_hlen in
