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authorThomas Graf <tgraf@infradead.org>2010-09-03 02:59:14 +0000
committerDavid S. Miller <davem@davemloft.net>2010-09-03 09:43:13 -0700
commit65e9b62d4503849b10bedfc29bff0473760cc597 (patch)
tree74fb61b4a345ed9ce022d21c4973c056c5516f08 /net/ipv6/addrconf.c
parentbc8acf2c8c3e43fcc192762a9f964b3e9a17748b (diff)
ipv6: add special mode accept_ra=2 to accept RA while configured as router
The current IPv6 behavior is to not accept router advertisements while forwarding, i.e. configured as router. This does make sense, a router is typically not supposed to be auto configured. However there are exceptions and we should allow the current behavior to be overwritten. Therefore this patch enables the user to overrule the "if forwarding enabled then don't listen to RAs" rule by setting accept_ra to the special value of 2. An alternative would be to ignore the forwarding switch alltogether and solely accept RAs based on the value of accept_ra. However, I found that if not intended, accepting RAs as a router can lead to strange unwanted behavior therefore we it seems wise to only do so if the user explicitely asks for this behavior. Signed-off-by: Thomas Graf <tgraf@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/addrconf.c')
0 files changed, 0 insertions, 0 deletions