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does any configuration need to be done to on an HP C-Class blade enclosure, to be able to reach a another switch?

Posted on 2011-09-06
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Last Modified: 2012-05-12
i have an HP C-Class blade enclosure, with (2) 6120G interconnect bay switches (hp pro curve switches)
i also have an arista 10gb switch, that the 6120 is connected to.
i am unable to get to any server/device on the arista switch, from the C class enclosure.
any ideas?
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Question by:jsctechy
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by:andyalder
ID: 36489227
By default all ports are in vlan 1 so I wouldn't expect you to have to do any configuration to get basic non-vlanned configuration. Can the blades ping each other? Is it a c7000 or c3000 enclosure, if c3000 do you have additional network mezzanine cards?
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by:jsctechy
ID: 36489669
it is a c7000
looks like STP was blocking some of the ports, i just ran a SHOW TECH ALL
not sure why we still cant get to other devices on the other Arista switch... any ideas?
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by:andyalder
ID: 36489742
Ports are set to auto, so the ports on your other switch should be too, but not really relevant at 10Gb. Does matter to the servers but presumably they can talk to each other through the switches OK.

Spanning tree is disabled by default - that would be a problem if the interconnects between the two blade switches are enabled. Interconnect is disabled by default on the c-class enclosure anyway though.
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by:jsctechy
ID: 36489796
there is no cable from the first 6120g to the second, is this a problem? is this needed for redundancy?
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andyalder earned 500 total points
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It's internal, but should normally be disabled where there is an external network that has more powerful switches than those in the blade enclosure. You normally only enable it (or them as there are two) if you use the blade switches as your core switches. In this case your 10Gb switch would be your core switch.
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by:jsctechy
ID: 36497392
i ran a SHOW CDP NEIGHBORS on the pro curve switch, it is seeing the ARISTA NETWORKS switch ports. although, its not forwarding any traffic to/from the procurves. any thoughts?

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