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
D
E
Source: Dest:
Source: Dest: Source: Dest:
Source: Dest: Source: Dest:
Source: Dest:
IPv6
IPv6
IPv4
IPv4
1) Source: 2) Source: 3) Source: 4) Source:
Dest: Dest: Dest: Dest: Dest: Dest:
5) Source:
6) Source: