UCS PowerTool script that checks the current bandwidth of all adapters in a domain. For best results make sure that the collection interval is set to 30 seconds (set in the admin tab).
Out put looks like:
...
Blade: sys/chassis-1/blade-2
Service Profile: org-root/ls-ESXi-1000v-01
Vnic: ether-Management-A Tx: 0.000 Mbps / Rx: 0.000 Mbps
Vnic: ether-Management-B Tx: 0.011 Mbps / Rx: 0.001 Mbps
Vnic: ether-N1kv-A Tx: 0.000 Mbps / Rx: 0.010 Mbps
Vnic: ether-N1kv-B Tx: 0.002 Mbps / Rx: 0.013 Mbps
Vnic: ether-Storage-A Tx: 0.000 Mbps / Rx: 0.001 Mbps
Vnic: ether-Storage-B Tx: 2.233 Mbps / Rx: 25.363 Mbps
Vnic: ether-VM-A Tx: 0.127 Mbps / Rx: 2.341 Mbps
Vnic: ether-VM-B Tx: 0.019 Mbps / Rx: 0.014 Mbps
Vnic: ether-vMotion-A Tx: 0.000 Mbps / Rx: 0.000 Mbps
Vnic: ether-vMotion-B Tx: 0.000 Mbps / Rx: 0.000 Mbps
...
I use the math on my blog entry I wrote on this to convert to Mbps:
http://benincosa.com/blog/?p=622
