Data Center Networking Q&A #1 – starring HP, Nexus 1000V, QoS
I thought it would be fun to pilot a series of posts where I pick out interesting search engine queries that were used to find my blog. Often times these are good questions that deserve a good answer,...
View ArticleCisco 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...
View ArticleCisco 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...
View ArticleCisco 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...
View ArticleCisco UCS Fabric Extender (FEX) QoS
What is the role of the fabric extender (FEX) in Cisco UCS QoS? This question was posted as a comment to my recent article VMware 10GE QoS Design Deep Dive with Cisco UCS, Nexus — as well as here, at...
View ArticleGreat questions on FCoE, VN-Tag, FEX, and vPC
I received some really good questions about FCoE, VN-Tag, FEX, and vPC from a reader named Lucas. Although I had 10 other things to do, I just couldn’t resist highlighting these questions, and my...
View ArticleData Center Networking Q&A #1 – starring HP, Nexus 1000V, QoS
I thought it would be fun to pilot a series of posts where I pick out interesting search engine queries that were used to find my blog. Often times these are good questions that deserve a good answer,...
View ArticleCisco 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...
View ArticleCisco 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...
View ArticleCisco 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...
View ArticleCisco UCS Fabric Extender (FEX) QoS
What is the role of the fabric extender (FEX) in Cisco UCS QoS? This question was posted as a comment to my recent article VMware 10GE QoS Design Deep Dive with Cisco UCS, Nexus — as well as here, at...
View ArticleGreat questions on FCoE, VN-Tag, FEX, and vPC
I received some really good questions about FCoE, VN-Tag, FEX, and vPC from a reader named Lucas. Although I had 10 other things to do, I just couldn’t resist highlighting these questions, and my...
View ArticleOn choosing VMware NSX or Cisco ACI
Are you stuck in the middle of a battle to choose VMware NSX or Cisco ACI? In this post I’ll attempt to bring some clarity and strategic guidance in first choosing the right path, then propose how the...
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