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comment { overlay interface }
create packet-generator interface pg0
set int ip address pg0 192.168.1.1/24
set int ip address pg0 192:168:1::1/64
set ip neighbor pg0 192.168.1.2 1:2:3:4:5:6 static
set ip neighbor pg0 192:168:1::2 1:2:3:4:5:6 static
set int state pg0 up
comment { underlay interface }
create packet-generator interface pg1
set int ip address pg1 192.168.2.1/24
set int ip address pg1 192:168:2::1/64
set ip neighbor pg1 192.168.2.2 6:5:4:3:2:1 static
set ip neighbor pg1 192:168:2::2 6:5:4:3:2:1 static
set int state pg1 up
comment { gre4 over ipv6 }
create gre tunnel dst 192:168:2::2 src 192:168:2::1
set int ip address gre0 127.1.0.1/32
ip route add 192.168.3.0/24 via gre0
set int state gre0 up
comment { gre6 over ipv4 }
create gre tunnel dst 192.168.2.2 src 192.168.2.1
set int ip address gre1 ::2/128
ip route add 192:168:3::0/64 via gre1
set int state gre1 up
packet-generator new { \
name gre4-tx \
limit -1 \
node ip4-input \
size 64-64 \
interface pg0 \
data { \
UDP: 192.168.1.2 -> 192.168.3.1 \
UDP: 4321 -> 1234 \
length 128 checksum 0 incrementing 1 \
} \
}
packet-generator new { \
name gre4-rx \
limit -1 \
node ip6-input \
size 72-72 \
interface pg1 \
data { \
GRE: 192:168:2::2 -> 192:168:2::1 \
ip4 \
UDP: 192.168.3.1 -> 192.168.1.2 \
UDP: 1234 -> 4321 \
length 128 checksum 0 incrementing 1 \
} \
}
packet-generator new { \
name gre6-tx \
limit -1 \
node ip6-input \
size 64-64 \
interface pg0 \
data { \
UDP: 192:168:1::2 -> 192:168:3::1 \
UDP: 4321 -> 1234 \
length 128 checksum 0 incrementing 1 \
} \
}
packet-generator new { \
name gre6-rx \
limit -1 \
node ip4-input \
size 72-72 \
interface pg1 \
data { \
GRE: 192.168.2.2 -> 192.168.2.1 \
ip6 \
UDP: 192:168:3::1 -> 192:168:1::2 \
UDP: 1234 -> 4321 \
length 128 checksum 0 incrementing 1 \
} \
}
packet-generator enable
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