Messages in this thread | | | Date | Thu, 10 Oct 2002 01:04:39 +0100 | From | Derek Fawcus <> | Subject | Re: [PATCH] IPv6: Fix Prefix Length of Link-local Addresses |
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On Thu, Oct 10, 2002 at 09:00:34AM +0900, Yuji Sekiya wrote: > At Wed, 09 Oct 2002 16:45:04 -0700 (PDT), > ** David S. Miller <davem@redhat.com> wrote: > > > The reason we change the prefix length from /10 to /64 is > > following spec and adapting other imprementations. > > > > I think Derek's explanation shows that the specification > > allows the /10 behavior. > > Hmm... we interpret the spec as /64 prefix. > > > Also, I suspect that since Derek works for Cisco, some "other > > implementations" behave how he describes. :-) > > I have cisco box which installed IPv6 IOS. > But it defines no prefix length at an interface, > > FastEthernet4/1 is up, line protocol is up > IPv6 is enabled, link-local address is FE80::201:64FF:FEA3:ED55 > > and outgoing interface of routing table is NULL ? :-) > > L FE80::/10 [0/0] > via ::, Null0, 7w0d
Turn on 'debug ipv6 nd', 'debug ipv6 icmp', 'debug ipv6 pack d'
Then do 'ping ipv6' specify a link local of say fe80:1910::10 and an egress interface, and watch what happens.
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