Eric Dumazet
c8507fb235
ipv6: flush nd cache on IFF_NOARP change
...
This patch is the IPv6 equivalent of commit
6c8b4e3ff8 ("arp: flush arp cache on IFF_NOARP change")
Without it, we keep buggy neighbours in the cache, with destination
MAC address equal to our own MAC address.
Tested:
tcpdump -i eth0 -s 0 ip6 -n -e &
ip link set dev eth0 arp off
ping6 remote // sends buggy frames
ip link set dev eth0 arp on
ping6 remote // should work once kernel is patched
Signed-off-by: Eric Dumazet <edumazet@google.com >
Reported-by: Mario Fanelli <mariofanelli@google.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
2015-07-29 23:01:39 -07:00
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