Archive for October, 2010

Cisco UCS Q&A #3 – flexible configuration

Filed in Cisco UCS, Q&A by on October 22, 2010 6 Comments
Cisco UCS Q&A #3 – flexible configuration

This is a follow-up question from the same reader Geoff who’s original question about traffic steering was discussed here.  Geoff responded to my original answer by brining up my Folly in HP vs UCS Tolly article and doubting that Cisco UCS really has active/active fabrics. Follow-up Question: Hi Brad, thank you very much for your […]

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Cisco UCS Q&A #2 – End Host Mode forwarding behavior

Filed in Cisco UCS, Q&A by on October 22, 2010 20 Comments
Cisco UCS Q&A #2 – End Host Mode forwarding behavior

This question comes from a reader named Wei about how Cisco UCS behaves in End Host Mode with respect to MAC learning and flooding.  Wei paints a scenario of two servers in the same VLAN, one inside Cisco UCS, the other outside of Cisco UCS.  With the Fabric Interconnect in End Host Mode, what happens […]

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Cisco UCS Q&A #1 – traffic steering

Filed in Cisco UCS, Q&A by on October 20, 2010 1 Comment
Cisco UCS Q&A #1 – traffic steering

This question about Cisco UCS traffic steering comes from a reader named Geoff: There is one aspect of UCS which I have been trying to understand and have not found a good explanation. Perhaps you can point me in the right direction and maybe if it is of general interest it might form the basis […]

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