Repository : ssh://git@open-mesh.org/doc

On branches: backup-redmine/2019-09-14,master

commit 7908858fd32a541039bfe083d944e57d0e1e19f6 Author: Linus Lüssing linus.luessing@c0d3.blue Date: Sat May 4 03:52:59 2019 +0000

doc: batman-adv/Noflood-broadcast-prevention

7908858fd32a541039bfe083d944e57d0e1e19f6 batman-adv/Noflood-broadcast-prevention.textile | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/batman-adv/Noflood-broadcast-prevention.textile b/batman-adv/Noflood-broadcast-prevention.textile index 4591013..4ca7744 100644 --- a/batman-adv/Noflood-broadcast-prevention.textile +++ b/batman-adv/Noflood-broadcast-prevention.textile @@ -47,3 +47,5 @@ The batctl command configures the value and mask batman-adv should watch out for The first ebtables command makes sure that link-local IPv6 multicast is never matched for flood prevention. If this rule matches then the firewall will hand over the frame without a mark.

The second ebtables rule marks any IPv6 multicast frame which is not a link-local one. For instance multicast packets with a global destination scope. + +batman-adv will then drop such multicast packets with a global destination scope if for example it is unable to distribute it via individual unicast transmissions and would fall back to broadcast flooding. \ No newline at end of file