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On any HPE Synergy Compute Module configured with an HPE Synergy 6310C 25/50Gb Ethernet Adapter (P64724-B21); the Virtual Functions that are within the same subport (for example, subport 3:1a) cannot communicate with each other when the HPE Synergy 6310C 25/50Gb Ethernet Adapter is used.This issue is experienced when the following example scenario occurs:Create a connection with subport 3:1a.Create a Virtual Machine and attach the SR-IOV virtual function from subport 3:1a.Create another Virtual Machine and assign a second SR-IOV virtual function from subport 3:1a.The user will find that a ping between Virtual Functions cannot be performed if both are in the same subnet.This issue occurs when the HPE Synergy 6310C 25/50Gb Ethernet Adapter is in Virtual Ethernet Port Aggregator (VEPA) mode for the Default Edge Virtual Bridging (EVB) mode because the Interconnect Module (HPE Virtual Connect SE 100Gb F32 switch module) does not support Reflective Relay to the same subport.Communication between Virtual Functions of other subports (Virtuan Functions from 3:1a to Virtual Function from 3:1b) is not affected by this issue.
Any HPE Synergy Compute Module configured with an HPE Synergy 6310C 25/50Gb Ethernet Adapter (P64724-B21).
To resolve this issue, set the Virtual Ethernet Bridge (VEB) mode on the HPE Synergy 6310C 25/50Gb Ethernet Adapter (P64724-B21) to enable this type of inter virtual function communication.To set the Virtual Ethernet Bridge (VEB) mode, perform either of the following methods:BIOS/Platform Configuration (RBSU) method:Reboot the server and press F9 to access BIOS/Platform Configuration (RBSU).Go to System Configuration and select the HPE Synergy 6310C 25/50Gb Ethernet Adapter.Go to the Device Configuration Menu.Select the Default EVB Mode and select "VEB."Network Interface Card Command Line Interface (NICCLI) method:Use the niccli tool in the Operating System of choice.Execute the following command:- niccli -i 1 nvm -setoption default_evb_mode -scope 0 -value 0This sets VEB mode to port 1, use scope 1 for port 2.Reboot the server.This advisory will be updated when the Default Edge Virtual Bridging (EVB) mode is set to Virtual Ethernet Bridge (VEB) mode in a future firmware release for the HPE Synergy 6310C 25/50Gb Ethernet Adapter.
Operating Systems Affected:OS Independent
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