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vxlan: add rp_filter sysctl for multiple gateway nodes

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Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
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Alexandre Derumier 2019-09-09 07:46:09 +02:00 committed by Thomas Lamprecht
parent 3e25ae6172
commit c21bc66fbc
1 changed files with 10 additions and 0 deletions
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10
vxlan-and-evpn.adoc
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@ -1505,6 +1505,16 @@ The external router have ecmp routes to all proxmox nodes.(balancing).
If the router send the packet to a wrong node (vm is not on this node), this node will route through
vxlan the packet to final destination.
If you have multiple gateway nodes, disable rp_filter as packet could incoming in a 1 node, and outgoing
to another node.
sysctl.conf tuning
-----
net.ipv4.conf.default.rp_filter=0
net.ipv4.conf.all.rp_filter=0
-----
*node1
----