mtu

Hallo. Wir haben aktuell Probleme mit der MTU Size. Ich beschreibe hier kurz unsere Umgebung: Wir haben eine NetApp stehen die per NFS an Cisco 3750 Switches hängt. Die NFS Shares werden von einem PVE Cluster (Dell R720 Server) der aus fünf Nodes besteht gemountet. Die NetApp und die Switches...

I just ran into trouble with enabling multicast on the OVSIntPorts. My cluster network uses 2 Intel 10G ports bonded together, 1 Bridge, 2 IntPorts. On the switch side I added a trunk and enabled jumboframes. After setting (according to the wiki) MTU to 8996 ceph cluster stops working, while...

Will changing the MTU of the cluster VLAN to 9000 affect the networking stack? We changed it to 9000 for the SAN, but I am concerned it will cause conflicts with vmbr and tap virtual interfaces. The cluster is on the same VLAN as the NFS SAN. Is there any way to have the cluster VLAN and NFS...

This morning I found that one of our hypervisor nodes was revert an openvswitch 2.3.2-1 to default mtu of 1500 instead of the configured 9000. Underlying NIC still had 9000 for their MTUs, but the openvswitch vmbr1 only had 1500 and I couldn't configure it from CLI with: ifconfig vmbr1 mtu 9000...