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GTP Packet filtering with variable TEID 

12-28-2021 13:42

Generate scaled GTP-U packets with variable TEID , Source IP and Destination IP addresses

This program helps to generate a scaled GTP packet configuration. The output can be written into a pcap as well

Usage

python gtp_v1_scale.py -ver v1 -nteid 1000 -npkts 10 -write 1000_teid.pcap


Generate scaled flex filter configuration for matching TEIDs

Juniper MX routers can filter GTP packet using flex filter offsets. This gives us an ability to run firewall filters and match on GTP TEID header as well as the inner IP headers for various combinations such as v4 in v4, v4 in v6, v6 in v4 and v6 in v6

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