src/scripts/vnet/gre-teb

   1 create packet-generator interface pg0
   2 create packet-generator interface pg1
   3 set int ip address pg1 192.168.2.1/24
   4 set ip neighbor pg1 192.168.2.2 6:5:4:3:2:1 static
   5 create gre tunnel dst 192.168.2.2 src 192.168.2.1 teb
   6
   7 set int state pg0 up
   8 set int state pg1 up
   9 set int state gre0 up
  10 set int l2 xconnect pg0 gre0
  11 set int l2 xconnect gre0 pg0
  12
  13 packet-generator new {                                          \
  14   name tx                                                       \
  15   limit -1                                                      \
  16   node ethernet-input                                           \
  17   size 64-64                                                    \
  18   interface pg0                                                 \
  19   data {                                                        \
  20     0x8881: 4:4:4:4:4:4 -> 5:5:5:5:5:5                          \
  21     incrementing 100                                            \
  22   }                                                             \
  23 }
  24
  25 packet-generator new {                                          \
  26   name rx                                                       \
  27   limit -1                                                      \
  28   node ip4-input                                                \
  29   size 72-72                                                    \
  30   interface pg1                                                 \
  31   data {                                                        \
  32     GRE: 192.168.2.2 -> 192.168.2.1                             \
  33       teb                                                       \
  34         0x8881: 4:4:4:4:4:4 -> 5:5:5:5:5:5                      \
  35         incrementing 100                                        \
  36   }                                                             \
  37 }
  38
  39 packet-generator enable