[Ns-bugs] [Bug 1390] New: ICMPv6 Redirect are handled correctly only for /64 networks
code at nsnam.ece.gatech.edu
Sun Mar 11 17:12:40 PDT 2012
Summary: ICMPv6 Redirect are handled correctly only for /64
AssignedTo: tommaso.pecorella at unifi.it
ReportedBy: tommaso.pecorella at unifi.it
CC: ns-bugs at isi.edu
Estimated Hours: 0.0
The bug is rather obscure, so using an example.
Let's use this network:
A's IPV6 address is 2001:db8:1::1/64
B's IPV6 addresses are 2001:db8:1::2/64 and 2001:db8:2::2/64
C's IPV6 address is 2001:db8:2::1/64
All goes fine.
However, if the IPv6 addresses are as follows:
A's IPV6 address is 2001:db8:cafe:f00d:1::1/80
B's IPV6 addresses are 2001:db8:cafe:f00d:1::2/80 and
C's IPV6 address is 2001:db8:cafe:f00d:2::1/80
THEN for each packet forwarded by node B, an ICMPv6 Redirect is sent
The solution to this issue is all but trivial. However now the issue is
documented, thus it's a feature.
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