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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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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 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. 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 *node1
---- ----