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September 16: A big day for virtual networking

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Yesterday was a huge day for virtualization and virtual networking. Jacob Jensen, accompanied by Paul Fazzone from Cisco, started the day with a tech preview to vNetwork Distributed Switching, and 3rd Party virtual switch support with the Cisco Nexus 1000V VDS is a major step forward in easing the administration burden of large virtual networks. Read more...

My VMworld networking session hitlist

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VMworld is the biggest event on our calendar and it will not be short of exciting announcements in the world of virtualization and networking. If you’re interested in networking and are going to VMworld here’s my hitlist of "must attend" sessions (in chronological order): Tuesday, Sep 16, 9:30am – TA2280 – Tech Preview: Virtual Switching Read more...

vnic bandwidth? … ignore what the guest VM tells you!

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I was speaking with a customer recently about networking when the topic turned to the virtual nic or vnic bandwidth available between a VM and the virtual switch. The customer complained that the server guys  were performing "gymnastics" in trying to change the speed from its reported value of 100Mbps to a more palatable speed Read more...

DMZ Virtualization

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In his Virtualization Blog this week, David Marshall from Infoworld mentioned a couple of recently published documents should make your reading lists. I have already talked about one of these in a previous post—“VI3 in a Cisco Network Environment.” The other document David mentions is, “DMZ Virtualization with VMware Infrastructure.” This paper discusses the pros Read more...

Using VLANs with ESX

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Most folks are aware that extending 802.1Q VLAN trunks into the ESX host is a best practice recommendation. It enables logical separation and scale of the various traffic types (management, IP storage, VM applications, etc) without being constrained by the number of physical NIC ports. We call this Virtual Switch Trunking (VST). As the name Read more...

Observations from Cisco Networkers Live in Orlando

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Apart from my Outlook email files being completely cactus for the week, Cisco Networkers in Orlando was an outstanding success. We saw an enormous amount of traffic through the VMware booth with many stopping to ask questions of our engineering staff and look at remote demonstrations of VDI, ThinApp, HA and VMotion. VMotion never fails Read more...

Deploying VI with Cisco

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It’s Cisco Live (or Cisco Networkers as we used to know it) next week in Orlando , Florida. Cisco Live is held once a year in each of the major geographies around the world. Next week’s US event is the largest of these. I also attended the Cisco Live event in Barcelona in January. Sadly, Read more...

Welcome to the VMware Networking blog!

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Hi folks. Welcome to the VI Networking blog! This blog is devoted purely to the subject of networking with VMware Infrastructure. I introduced this blog a couple of days back via a post on the VI Team blog. We have a lot of stuff in the pipeline, so I see this as a great way Read more...