March 2018
Intermediate to advanced
626 pages
17h 32m
English
In the following diagram, the MTU value of the outgoing interface on R2 is set to 1280, which is the minimum MTU required for IPv6 packet forwarding:

If a router receives an IPv6 packet larger than the MTU of the outgoing interface, the default behavior is to drop the packet and generate an ICMPv6 error message:

In the preceding screenshot, R2 drops the packet and generates an ICMPv6 error message with the outgoing MTU interface to the actual source of the packet (R1 in our example).
R1 will cache this information and fragment ...
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