topic Re: Lost Communication post vMotion in Networking Members https://communities.vmware.com/t5/Networking-Members/Lost-Communication-post-vMotion/m-p/2957715#M268 <P><a href="https://communities.vmware.com/t5/user/viewprofilepage/user-id/5179747">@santunezlenovo</a>,</P><P>This is mostly sure because of the port-security settings, as the MAC Address are advertised and allowed on a single port, when the vMotion happens the traffic is blocked. The good thing is that there is a KB from VMware explaining this:&nbsp;<A href="https://kb.vmware.com/s/article/1002811" target="_blank">https://kb.vmware.com/s/article/1002811</A></P><P>Take a look with your network team to achieve the changes.</P> Fri, 03 Mar 2023 18:00:03 GMT Lalegre 2023-03-03T18:00:03Z Lost Communication post vMotion https://communities.vmware.com/t5/Networking-Members/Lost-Communication-post-vMotion/m-p/2957441#M267 <P>Hello Guys</P><P>I have an issue with some vsan nodes.</P><P>When vmotion is done from Node1 to Node3 the VMs keep responding and vice versa, but when I Vmotion to node 2 from node3 or node1 the VMs lose all communication. This only happens with node 2.</P><P>The 3 nodes are connected to a Cisco 9300L Switch.</P><P>I requested the switch configurations and they are not identical with node 2</P><P>Node 1 and Node 3 have these configuration on the switches</P><P><STRONG>vMNIC1</STRONG></P><UL><LI>interface GigabitEthernet2/0/X</LI><LI>switchport trunk native vlan 40</LI><LI>switchport trunk allowed vlan 40-42</LI><LI>switchport mode trunk</LI><LI>spanning-tree portfast</LI><LI>spanning-tree bpduguard enable</LI></UL><P><STRONG>vMNIC3</STRONG></P><UL><LI>Interface GigabitEthernet1/0/X</LI><LI>switchport trunk native vlan 40</LI><LI>switchport trunk allowed vlan 40-42</LI><LI>switchport mode trunk</LI><LI>switchport port-security maximum 5</LI><LI>switchport port-security violation restrict</LI><LI>switchport port-security</LI><LI>storm-control broadcast level bps 2m 1m</LI><LI>storm-control multicast level bps 2m 1m</LI><LI>spanning-tree portfast</LI><LI>spanning-tree bpduguard enable</LI></UL><P>However, node 2 has these settings on the switch ports</P><P><STRONG>vMNIC1 and vMNIC3 (Is the same configuration on the ports)<BR /></STRONG></P><UL><LI>interface GigabitEthernet2/0/X</LI><LI>switchport trunk native vlan 40</LI><LI>switchport trunk allowed vlan 40-42</LI><LI>switchport mode trunk</LI><LI>spanning-tree portfast</LI><LI>spanning-tree bpduguard enable</LI></UL><P>I have not been able to solve the problem, I can only think that it is a matter of configuration of the ports that must be configured identically, remove spanning-tree portfast.</P><P>The version of ESXi is 7.0.3 U3f and the vCenter 7.0.3</P><P>Thanks for your comments</P><P>&nbsp;</P> Thu, 02 Mar 2023 13:07:15 GMT https://communities.vmware.com/t5/Networking-Members/Lost-Communication-post-vMotion/m-p/2957441#M267 santunezlenovo 2023-03-02T13:07:15Z Re: Lost Communication post vMotion https://communities.vmware.com/t5/Networking-Members/Lost-Communication-post-vMotion/m-p/2957715#M268 <P><a href="https://communities.vmware.com/t5/user/viewprofilepage/user-id/5179747">@santunezlenovo</a>,</P><P>This is mostly sure because of the port-security settings, as the MAC Address are advertised and allowed on a single port, when the vMotion happens the traffic is blocked. The good thing is that there is a KB from VMware explaining this:&nbsp;<A href="https://kb.vmware.com/s/article/1002811" target="_blank">https://kb.vmware.com/s/article/1002811</A></P><P>Take a look with your network team to achieve the changes.</P> Fri, 03 Mar 2023 18:00:03 GMT https://communities.vmware.com/t5/Networking-Members/Lost-Communication-post-vMotion/m-p/2957715#M268 Lalegre 2023-03-03T18:00:03Z