set int ip address GigabitEthernet2/1/0 1.2.3.4/24
set int state GigabitEthernet2/1/0 up 
set int state tuntap-0 down


loop create
cre sub loop0 1 dot1q 1 
cre sub loop0 2 dot1q 2 
cre sub loop0 3 dot1q 3 
cre sub GigabitEthernet2/1/0 1 dot1q 1 


set int l2 bridge loop0.1 7
set int l2 bridge loop0.2 7
set int l2 bridge loop0.3 7
set int l2 bridge GigabitEthernet2/1/0.1 7

loop cre
set int l2 bridge loop1 7 bvi

set int state GigabitEthernet2/1/0.1 up 

trace add pg-input 6

clear error
clear run
clear int

packet-generator new {						\
  name flood							\
  limit 1							\
  node ethernet-input						\
  interface GigabitEthernet2/1/0				\
  data {							\
      IP4: 0050.56b7.7c83 -> ffff.ffff.ffff  vlan 1		\
      GRE: 8.0.0.1 -> 1.2.3.3 mpls_unicast 			\
  }								\
}