# Establish N PFCP sessions for tunend, and emit massive GTP traffic to the UPF
# to each established tunnel.
#
# osmo-upf-load-gen               UPF                          "internet host"
#  |GTP-ep -------GTP-----> GTP-ep|UE-IP-addr -------IP------> arbitrary-IP|
#  |172.16.32.2        172.16.32.1|192.168.10.23              123.234.42.23|
#  |172.16.32.3
#                          ^                 ^                   ^
#    ^                     |                 |                   |
#    |                     |                configure by      configure by
#   configure by        from UPF            'ue ip'           'payload target ip',
#   'gtp local'            ("F-TEID=choose")                  'payload target port'

# Configure one or more local GTP endpoints to emit GTP packets from.
# Established sessions will use these round-robin.
no gtp local bind
gtp local 172.16.32.2
#gtp local 172.16.32.3
#gtp local 172.16.32.4
#gtp local 172.16.32.5
#gtp local 172.16.32.6
#gtp local 172.16.32.7
#gtp local 172.16.32.8
#gtp local 172.16.32.9
#gtp local 172.16.32.10
#gtp local 172.16.32.11
#gtp local 172.16.32.12
#gtp local 172.16.32.13
#gtp local 172.16.32.14
#gtp local 172.16.32.15
#gtp local 172.16.32.16
#gtp local 172.16.32.17
#gtp local 172.16.32.18
#gtp local 172.16.32.19
#gtp local 172.16.32.20
#gtp local 172.16.32.21
#gtp local 172.16.32.22
#gtp local 172.16.32.23
#gtp local 172.16.32.24
#gtp local 172.16.32.25
#gtp local 172.16.32.26
#gtp local 172.16.32.27
#gtp local 172.16.32.28
#gtp local 172.16.32.29
#gtp local 172.16.32.30
#gtp local 172.16.32.31
#gtp local 172.16.32.32
#gtp local 172.16.32.33
#gtp local 172.16.32.34
#gtp local 172.16.32.35
#gtp local 172.16.32.36
#gtp local 172.16.32.37
#gtp local 172.16.32.38
#gtp local 172.16.32.39
#gtp local 172.16.32.40
#gtp local 172.16.32.41
#gtp local 172.16.32.42
#gtp local 172.16.32.43
#gtp local 172.16.32.44
#gtp local 172.16.32.45
#gtp local 172.16.32.46
#gtp local 172.16.32.47
#gtp local 172.16.32.48
#gtp local 172.16.32.49
#gtp local 172.16.32.50
#gtp local 172.16.32.51
#gtp local 172.16.32.52
#gtp local 172.16.32.53
#gtp local 172.16.32.54
#gtp local 172.16.32.55
#gtp local 172.16.32.56
#gtp local 172.16.32.57
#gtp local 172.16.32.58
#gtp local 172.16.32.59
#gtp local 172.16.32.60
#gtp local 172.16.32.61
#gtp local 172.16.32.62
#gtp local 172.16.32.63
#gtp local 172.16.32.64
#gtp local 172.16.32.65
#gtp local 172.16.32.66
#gtp local 172.16.32.67
#gtp local 172.16.32.68
#gtp local 172.16.32.69
#gtp local 172.16.32.70
#gtp local 172.16.32.71
#gtp local 172.16.32.72
#gtp local 172.16.32.73
#gtp local 172.16.32.74
#gtp local 172.16.32.75
#gtp local 172.16.32.76
#gtp local 172.16.32.77
#gtp local 172.16.32.78
#gtp local 172.16.32.79
#gtp local 172.16.32.80
#gtp local 172.16.32.81
#gtp local 172.16.32.82
#gtp local 172.16.32.83
#gtp local 172.16.32.84
#gtp local 172.16.32.85
#gtp local 172.16.32.86
#gtp local 172.16.32.87
#gtp local 172.16.32.88
#gtp local 172.16.32.89
#gtp local 172.16.32.90
#gtp local 172.16.32.91
#gtp local 172.16.32.92
#gtp local 172.16.32.93
#gtp local 172.16.32.94
#gtp local 172.16.32.95
#gtp local 172.16.32.96
#gtp local 172.16.32.97
#gtp local 172.16.32.98
#gtp local 172.16.32.99
#gtp local 172.16.32.100
#gtp local 172.16.32.101

gtp core 172.16.32.200

# use UE IP addresses from this range, +1 for each new UE:
# 192.168.0.1, 192.168.0.2, ...
ue ip range 192.168.0.2 192.168.254.254

# now associate with UPF and start N sessions.
pfcp-peer 172.16.31.2
 tx assoc-setup-req
 sleep 1
 date

 n 1 session create tunend
 wait responses
 # All sessions established
 date

# give some time to gather counters before the tunnel is removed
sleep 999999