By Mitch Tulloch, The Windows Server Team
This scenario-focused identify offers concise technical tips and insights for troubleshooting and optimizing networking with Hyper-V. Written by means of skilled virtualization pros, this little publication packs loads of worth right into a few pages, supplying a lean learn with plenty of real-world insights and top practices for Hyper-V networking optimization in home windows Server 2012.
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Extra info for Optimizing and Troubleshooting Hyper-V Networking
Info Assuming that you have NPIV enabled and capable devices (SAN, Switches, HBAs), first open Hyper-V Manager and click Virtual SAN Manager in the Actions pane: NOTE If your HBA does not support NPIV, the status field will display a message stating that NPIV is not supported. NOTE If you are configuring this on a failover cluster, ensure that both the new Virtual Fibre Channel SAN name and the Global Fibre Channel Settings are identical for each node. info The WWNN listed for the HBA. Select the one that you want to use for the virtual SAN.
You need the parsers to view this capture (and the vmswitch events mentioned in the earlier section) using Netmon. com/releases. The following screenshot shows capture at ingress: This looks like any other Netmon capture. This is an ICMP Reply packet. However, this capture has additional information that helps in quicker analysis. This also captures the VM Name, Port ID, Source NIC name, and so on. info In the above egress capture, the packet is being routed from VM1 to an internal virtual NIC on the host.
Status/StatusDescription This is an array of numeric codes and descriptions that show the status of the network adapter. These codes and descriptions are not exclusive to SR-IOV, but we do populate them when IovWeight is set but not working correctly. More on this in the troubleshooting section. VirtualFunction This reveals a lot of information about the VF itself, but in almost all cases this can be safely ignored. It does provide a lot of data that might be useful to scripters, but that falls outside of this chapter’s coverage.