Thursday, August 14, 2014

How to source a ping from an IP

Quick Tip - I was troubleshooting iSCSI performance issues on a server that had NICs on the internal network, and another set of NICs on the iSCSI network.  I needed to source a ping to test connectivity of the iSCSI side.

To source a ping from a specific IP, use the following:

ping -S [SourceIP] [DestinationIP]


In my case, I had to source a ping from a specific IP and test Jumbo Frames:

 ping -S [SourceIP] -f -l 8972 [DestinationIP]

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