Hello, I have 3 hypervisors with two OVS bridges:
- phybr0: connected to physical infrastructure though bond0 trunk to give
access to physical VLANs
- vibr0: for user virtual networks disconnected from physical
infrastructure, 1 network == 1 VLAN
Each hypervisor has an lan0 interface on a dedicated VLAN:
ovs-vsctl add-port phybr0 lan0 lan=702 -- set interface lan0 type=internal
I linked each hypervisor vibr0 to the next one with VXLAN using the lan0
IP address:
- nebula1
ovs-vsctl add-port vibr0 nebula2 -- set interface nebula2 type=vxlan
options:remote_ip=@IP_nebula2
- nebula2
ovs-vsctl add-port vibr0 nebula1 -- set interface nebula1 type=vxlan
options:remote_ip=@IP_nebula1
ovs-vsctl add-port vibr0 nebula3 -- set interface nebula3 type=vxlan
options:remote_ip=@IP_nebula3
- nebula3
ovs-vsctl add-port vibr0 nebula2 -- set interface nebula1 type=vxlan
options:remote_ip=@IP_nebula1
The bond0 intefaces has an MTU=9000, I want to increase the lan0 MTU to
9000 to avoid the following errors:
Aug 24 14:34:05 nebula2 kernel: [15615.881948] lan0: dropped over-mtu
packet: 1554 > 1500
Is there a solution?
Regards.
--
Daniel Dehennin
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