slides/osmodevcon2019/osmo-gsm-tester/topology.txt

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graph {
ogt [label="osmo-gsm-tester"]
ogt -- {iperf3cli ofono bts sgsn ggsn iperf3srv} [style=dashed]
subgraph ogt_sub {
rankdir = LR
subgraph clusterNetns {
graph[style=dotted];
label="modem netns";
iperf3cli [label = "iperf3 cli"]
modemiface [label = "modem netiface"]
iperf3cli -- modemiface [label = "IP"]
}
subgraph clusterdefault {
graph[style=dotted];
label="default netns";
ofono
udev
modem
bts [label = "osmo-bts+pcu"]
btshw [label = "BTS HW"]
sgsn [label = "osmo-sgsn"]
ggsn [label = "osmo-ggsn"]
tun [label = "tun netiface"]
iperf3srv [label = "iperf3-srv"]
{rank = same; ofono; bts; sgsn; ggsn; iperf3srv}
{rank = same; modem; btshw}
ofono -- modem [label = "QMI"]
ofono -- udev
bts -- btshw [label = "L1SAP"]
modem -- btshw [label = "Um"]
bts -- sgsn [label = "Gb"]
sgsn -- ggsn [label = "GTP"]
ggsn -- tun
tun -- iperf3srv [label = "IP"]
}
udev -- modemiface
modemiface -- modem
}
}