Gtp support is there or not?

Q/A
#1

sudo sysctl -w net.ipv4.ip_forward=1 sudo iptables -t nat -A POSTROUTING -o <dn_interface> -j MASQUERADE

What is dn_interface here?

Whether you tested the user plane function?

#2

<dn_interface> is the interface you connect to data network

We test the UP via our test script

./test.sh ./test.sh [ TestRegistration | TestServiceRequest | TestXnHandover | TestN2Handover | TestDeregistration | TestPDUSessionReleaseRequest | TestPaging | TestNon3GPP ]

You can also capture gtp packet via the script.

#3

Dn interface is the ip address of outer network or ethernet interface(eth0) of outer network?

. /test.sh and which is exactly for checking gtpu packets

#4

dn interface is an interface.