Commits on Jun 18, 2018

1. No router advertisements on tunnel interfaces …

   The upstream commit 0c4dfeb ("improve multicast check, remove
   broadcast check") forces UnicodeOnly if an interface does not support
   IFF_MULTICAST. This stops periodic RAs being sent over tunnels, which
   previously used to work. The solution is to allow sending such
   multicast packets over point-to-point links. This is acceptable for
   directly connected devices, or for tunnels, the packets are
   encapsulated and so look like unicast packets to intervening routers.
   
   Signed-off-by: Mike Manning <mmanning@brocade.com>

   

   Mike Manning authored and bluca committed Jun 18, 2018
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   86a0b80 View commit details

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