HPE Community read-only access December 15, 2018
This is a maintenance upgrade. You will be able to read articles and posts, but not post or reply.
Hours:
Dec 15, 4:00 am to 10:00 am UTC
Dec 14, 10:00 pm CST to Dec 15, 4:00 am CST
Dec 14, 8:00 pm PST to Dec 15, 2:00 am PST
BladeSystem - General
cancel
Showing results for 
Search instead for 
Did you mean: 

Connect c7000 with two GBE2c switches to one core switch

 
Wolfgang Baumgartner
Occasional Contributor

Connect c7000 with two GBE2c switches to one core switch

hello!
How is it possible to redundantly connect two integrated GBE2c Switches to one Core Switch.
The integrated Servers are all VMware esx 3.5

When i lose one uplink from one GBe2C to the core Switch then the VMs doesnt check this!
The result is that the VMs are not rechable anymore.

The Problem is that VMware esx and the virtual switch don't recognize that the GBE2c has lost the uplink to the core switch!

When i activate the Port 17 and 18 on both GBE2c then i get a loop and the full network is down!

How is it possible to connect one esx Server redundant over two GBE2c to one Core Switch?

Thanks for your help!

Regards

Stefan
1 REPLY
Adrian Clint
Honored Contributor

Re: Connect c7000 with two GBE2c switches to one core switch

Stefan,

You need to look at Spanning tree.
http://www.bladeconnect.com/modules.php?name=Downloads&op=getit&lid=38&title=Rapid%20Spanning%20Tree%20and%20Interoperability%20with%20Cisco

Set links on 17 & 18 to be a highercost than the uplinks. That way the uplinks are prefered until they are lost.