troubleshooting Question

Multicast MAC Addresses in VMware vSwitches

Avatar of Harrris
HarrrisFlag for Cyprus asked on
VMwareVirtualizationSwitches / HubsNetworking
3 Comments1 Solution359 ViewsLast Modified:

We have 5 ESX Servers and vCenter server, both version 5.5. We use standard vSwitches on each ESX server and a bond (with 2 physical ethernet ports) on each server that we use to pass traffic for various VLANs.

I noticed that network packets sent to a multicast destination MAC addresss, are flooded to all the VMs connected to the same vSwitch on the same host.

Is there a way to configure the VMs or the vSwitch, so that packets sent to a particular multicast MAC address will be delivered only to some of the VMs? i.e. to assign a second MAC address on a VM via CLI, apart from the primary MAC assigned to the VM? or maybe we can achieve this by using a distributed virtual switch instead of the standard vSwitch?

We need multicast traffic for various clusters of systems (servers, firewalls, etc), so we can't really avoid it.

Join our community to see this answer!
Unlock 1 Answer and 3 Comments.
Start Free Trial
Learn from the best

Network and collaborate with thousands of CTOs, CISOs, and IT Pros rooting for you and your success.

Andrew Hancock - VMware vExpert
See if this solution works for you by signing up for a 7 day free trial.
Unlock 1 Answer and 3 Comments.
Try for 7 days

”The time we save is the biggest benefit of E-E to our team. What could take multiple guys 2 hours or more each to find is accessed in around 15 minutes on Experts Exchange.

-Mike Kapnisakis, Warner Bros