28. Following figure shows tunneling how IPv6 packets can be transferred through routers that support only IPv4. Routers A, B, E, and F supports IPv6 and IPv4, but routers C and D only support IPv4. At router B, an IPv4 packet is encapsulated to an IPv6 packet. Show source and destination routers for each number.
A
B
C
D
E
F
Source:
Dest:
1
2
Source:
Dest:
4
Source:
Source:
Dest:
Dest:
Source:
Source:
6
Dest:
Dest:
3
5
IPv6
IPv6
IPv4
IPv4
1) Source:
Dest:
2) Source:
Dest:
3) Source:
Dest:
4) Source:
Dest:
5) Source:
Dest:
6) Source:
Dest:
