conectivity issues through brocade switch to Cisco UCS

I have attached a file showing a rudimentary layout of what I have. And in the drawing i have stated what works and what does not. If you have time to look I would appreciate the help. I have a detailed explaination and what exactly each server both pizza box and VM can see included in the attachment.

Thank you
UCS-Connectivity-issue.jpg
whroadminAsked:
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asavenerCommented:
With the number of layers involved (physical servers, Cisco UCS configuration, VMware configuration), this could be a days- or week-long engagement with a consultant.

Who did you buy this from?  This is why Cisco channel partners are required to have technical staff.  End-customers should not be trying to set all of this up, unless they have the resources to do so.
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whroadminAuthor Commented:
We have setup 4 other phy networks off the UCS and have had no issues, this one for some reason is whipping my butt. Thanks for the comments.
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asavenerCommented:
What kind of virtual switch are you using?  Standard virtual switch, distributed virtual switch?  Nexus 1Kv?
What version?
Are they configured as VPC/LAG uplinks?

Have you followed all of the steps in this article?  https://supportforums.cisco.com/document/115461/configuring-vlans-ucs-and-vmware

Are the fiber inconnects configured to use VPC as uplink to the brocade?  Or just trunk ports, or what?

Do you have other switches on your network?  Have you performed packet captures on the physical and virtual machines on VLAN10?  Have you checked the logs on the Brocade switch?


As an aside, why do you have a highly redundant, enterprise-class system like the UCS connected to a single point of failure?
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whroadminAuthor Commented:
Using a standard Vswitch
I will read the article, we have setup 5 other subnets with no issues, but I can always read more.
I believe just trunks
Yes we have other switches, many in fact. They are on different vlans/subnets that hang off the UCS like I am trying to do with this one. We have setup 5 other networks over the past 4 years with no issues. this one is a little different in that it is completely isolated from the world, there is no gateway out to the internet, it is it's own subnet.
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Netman66Commented:
Please provide your Brocade config.  Also, some info on your fabric interconnects may help.

My guess is without the uplinks being LAGs, you create a loop and STP is blocking ports, or worse if STP isn't configured.
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asavenerCommented:
Are the FIs in end-host mode, or switch mode?   Most of the time they're in end-host mode (it's the default), which means that spanning tree is disabled.

Are the uplink ports on the Brocade configured as a LAG/etherchannel?  That could cause the behavior your seeing, if the the fiber interconnects' uplink ports are not configured as a VPC.
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whroadminAuthor Commented:
Well it was simple to fix, we deleted all evidence of the new subnet and reapplied everything and it worked. I may have been the order in which we configured it the first time I am not sure, but it is up and running now.
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frankhelkCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Accept: whroadmin (https:#a40945821)

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