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split sysctl.conf to symmetric and asymmetric setup

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Alexandre Derumier 2018-08-13 11:11:38 +02:00 committed by Dietmar Maurer
parent 5dde3d6458
commit ccecb4f94c
1 changed files with 20 additions and 14 deletions
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34
vxlan-and-evpn.adoc
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@ -500,20 +500,6 @@ to have working vm live migration and no network disruption.
VXLAN layer3 routing only work with FRR and non-aware bridge.
(vlan aware bridge support is buggy currently).
sysctl.conf tuning
----
#enable routing
net.ipv4.ip_forward=1
net.ipv6.conf.all.forwarding=1
#disable reverse path filtering
net.ipv4.conf.default.rp_filter=0
net.ipv4.conf.all.rp_filter=0
#allow frr to work with vrf
net.ipv4.tcp_l3mdev_accept=1
----
asymmetric model
^^^^^^^^^^^^^^^^
@ -527,6 +513,14 @@ in each direction (always the destination VNI) across the routed infrastructure.
image::images/vxlan-l3-asymmetric.svg["vxlan l3 asymmetric",align="center"]
sysctl.conf tuning
----
#enable routing
net.ipv4.ip_forward=1
net.ipv6.conf.all.forwarding=1
----
* node1
----
@ -765,6 +759,18 @@ A vrf is needed for the L3VNI, so all vmbr bridge need to be in the vrf if they
image::images/vxlan-l3-symmetric.svg["vxlan l3 symmetric",align="center"]
sysctl.conf tuning
----
#enable routing
net.ipv4.ip_forward=1
net.ipv6.conf.all.forwarding=1
#disable reverse path filtering
net.ipv4.conf.default.rp_filter=0
net.ipv4.conf.all.rp_filter=0
#allow frr to work with vrf (kernel >4.14 bug)
net.ipv4.tcp_l3mdev_accept=1
----
* node1