# Establish N PFCP sessions for tunmap, and emit massive GTP traffic to the UPF
# to each established tunnel.
#
# osmo-upf-load-gen              UPF                          "core"
#  |GTP-ep -------GTP-----> GTP-ep|GTP-ep ----------IP------> GTP-ep
#  |172.16.32.2        172.16.32.1|172.16.31.2                   172.16.31.200
#  |172.16.32.3
#                          ^        ^                         ^
#    ^                     |        |                         |
#    |                     |        /                         configure by
#   configure by        from UPF                              'gtp core'
#   'gtp local'         ("F-TEID=choose")

# Configure one or more local GTP endpoints to emit GTP packets from.
# Established sessions will use these round-robin.
# These need to be local IP addresses for 'gtp flood' to work.
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 172.16.31.200

ue ip range 192.168.1.2 192.168.254.254

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

 n 100000 session create tunmap
 wait responses
 # All sessions established
 date

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