London
LA
Internet
dc
GRE Tunnel
GRE Tunnel
R1
192.0.2.1
AAAA.AAAA.AAAA
R2
192.0.2.2
BBBB.BBBB.BBBB
Carol
10.1.0.1
CCCC.CCCC.CCCC
David
10.2.0.1
DDDD.DDDD.DDDD
PE1 Overlay Example
pub 192.0.2.3
pri 10.255.0.1
FFFF.FFFF.FFFF
PE1
pub 192.0.2.3
pri 10.255.0.1
FFFF.FFFF.FFFF
PE2
pub 192.0.2.4
pri 10.255.0.2
0000.0000.0000
CSW1
10.1.0.2
1111.1111.1111
CSW2
10.2.0.2
2222.2222.2222
DC_R1
192.0.2.5
3333.3333.3333
PE3
pub 192.0.2.6
pri 10.255.0.3
4444.4444.4444
Server
10.3.0.1
5555.5555.5555
OSPF PACKET
ORIGIANL PACKET
New IP
GRE
ORIGIANL PACKET
ORIGIANL PACKET
New IP
GRE
ORIGIANL PACKET
OSPF PACKET
OSPF PACKET
ORIGIANL PACKET
New IP
GRE
ORIGIANL PACKET
ORIGIANL PACKET
New IP
GRE
ORIGIANL PACKET
OSPF PACKET
WEB REQUEST
WEB REQUEST
WEB REQUEST
WEB REQUEST
WEB REQUEST
WEB REQUEST
WEB REQUEST
WEB REQUEST
WEB REQUEST
WEB REQUEST
WEB REQUEST
WEB REQUEST
💡 Click a packet to inspect its PDU (pauses the animation).