Duplicate Network Packets with SSP and VMware
Description
Under some circumstances VMware routes broadcast packets coming from Solaris running in Charon-SSP back to the interface from which the packets came. In this case Solaris will log the following error:
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The VMware "Net.ReversePathFwdCheckPromisc" parameter can be used to avoid this behavior.
Step-by-step guide
Open the ESXi VM configuration
Go to "configuration"
Select "advanced"
Set the "Net.ReversePathFwdCheckPromisc" parameter to 1.
Additional Information
VMware explanation of setting: VMware KB article with patch description
Here the relevant section for convenience:
Consider a vSwitch that has more than one uplink and has the promiscuous mode enabled. Some of the packets that come in from the uplinks that are not currently used by the promiscuous port, are not discarded. This behavior might mislead some applications, such as the CARP protocol instance. |