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confd: always flood unknown IP/MAC multicast according to mcast_flood

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An RFC conforming multicast snooping bridge should forward all unknown
multicast (IP & MAC) on ports where the mcast_flood flag is set.  The
upstream kernel does not (yet) support this, but the KernelKit branch
of the kernel and iproute2 now support it.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
This commit is contained in:
Joachim Wiberg
2024-03-07 12:45:55 +01:00
committed by Mattias Walström
parent 798602d087
commit cb0954ec19
1 changed files with 2 additions and 1 deletions
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src/confd/src/ietf-interfaces.c
+2 -1
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@@ -1053,7 +1053,8 @@ static int netdag_gen_bridge(struct dagger *net, struct lyd_node *dif,
* believe this is the only sane way of doing it.
* Issue #310: malplaced 'vlan_default_pvid 0'
*/
fprintf(ip, "link %s dev %s type bridge group_fwd_mask %d vlan_filtering %d vlan_default_pvid 0",
fprintf(ip, "link %s dev %s type bridge group_fwd_mask %d mcast_flood_always 1"
" vlan_filtering %d vlan_default_pvid 0",
op, brname, fwd_mask, vlan_filtering ? 1 : 0);
if ((err = bridge_mcast_settings(ip, cif, vlan_mcast)))