Layer Above Tcp/Udp - Network Critical SmartNA-X User Manual

Match name
GRE-CKS-L=4-IPv6
Table 17: PPTP GRE header using Key, Sequence and Acknowledgement fields
Match name
GRE-KSA-L=4-IPv4
GRE-KSA-L=4-IPv6

Layer above TCP/UDP

The following Matches can be used to match GTPv1, GTPv2, and GTP' headers.
Table 18: GTPv1 (UDP only)
Match name
GTP-v1-IPv4
GTP-v1-IPv6
Table 19: Test PT bit (not GTP')
Match name
GTP-v1-not'-IPv4
GTP-v1-not'-IPv6
The following presets match for checking the GTP header is not extended. Any of these 3 bits being set extends the length
from 8 to 12 bytes.
Table 20: Test the length is not extended
Match name
GTP-v1-L=2-IPv4
SmartNA-X 1G/10G Modular | IPP Module Preset Matches and Transforms | 195
™ ©
SmartNA-X 1G/10G User Guide 1.4 2015 Network Critical Solutions Limited
Match definition (start bit, width, value)
432, 9, 97
Match definition (start bit, width, value)
9, 97, 65
9, 97, 65
Match definition (start bit, width, value)
336, 3, 1
496, 3, 1
Match definition (start bit, width, value)
339, 1, 1
499, 1, 1
Match definition (start bit, width, value)
341, 3, 0