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authorDavid Ward <david.ward@ll.mit.edu>2009-08-29 00:04:09 -0700
committerDavid S. Miller <davem@davemloft.net>2009-08-29 00:04:09 -0700
commit31ce8c71a3bdab12debb5899b1f6dac13e54c71d (patch)
tree1c1e02ec7b5953669b58c79c1f7d7d5b962f5c07 /net/sched
parent078b0735881c7969aaf21469f3577831cddd9f8c (diff)
ipv6: Update Neighbor Cache when IPv6 RA is received on a router
When processing a received IPv6 Router Advertisement, the kernel creates or updates an IPv6 Neighbor Cache entry for the sender -- but presently this does not occur if IPv6 forwarding is enabled (net.ipv6.conf.*.forwarding = 1), or if IPv6 Router Advertisements are not accepted (net.ipv6.conf.*.accept_ra = 0), because in these cases processing of the Router Advertisement has already halted. This patch allows the Neighbor Cache to be updated in these cases, while still avoiding any modification to routes or link parameters. This continues to satisfy RFC 4861, since any entry created in the Neighbor Cache as the result of a received Router Advertisement is still placed in the STALE state. Signed-off-by: David Ward <david.ward@ll.mit.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
0 files changed, 0 insertions, 0 deletions