11-01-2015 04:47 PM - edited 03-01-2019 12:26 PM
Hi,
I am looking for information on the best practice setup for iSCSI setup with UCS (particularly an EMC VNX back end system). Currently we have our A and B links into one Cisco 3850 stack, and A and B storage uplinks plugged into a separate 3850 stack for iSCSI traffic. We found that LAN traffic would attempt to send traffic to the iSCSI uplinks. All network VLANs were configured at the root level and not specific to A or B side. Do VLANs need to be moved to A/B side and bound to the switch port channel on A and B?
11-02-2015 12:35 AM
see e.g.
http://dudewheresmycloud.com/pdf/VMware-vSphere-5-on-Cisco-UCS-and-EMC-VNXe.pdf
https://www.ciscolive2014.com/connect/sessionDetail.ww?SESSION_ID=1623
https://www.ciscolive.com/online/connect/sessionDetail.ww?SESSION_ID=4183
https://www.youtube.com/watch?v=hkCxUfesavE
Good luck
Walter.
11-02-2015 02:20 AM
Hello,
if you are looking for a configuraton example.
this CISCO doc should help:
http://www.cisco.com/c/en/us/support/docs/servers-unified-computing/ucs-manager/116003-iscsi-ucs-config-00.html
Regards,
Saurabh
11-16-2015 08:52 AM
Hi motenoob1,
In short yes ths will happen by design as described. You will need to configure LAN pin groups to engineer the flow of traffic. Basically ensuring only the SAN traffic goes via the SAN switches and the LAN traffic goes via the LAN switches.
Daren
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