Fabric Extender and Blade server connectivity(Cabling)

Hi,
There is lot of information available about how a Fabric extender connects to the Fabric interconnect. e.g. SFP+ ports, cabling etc.
I am bit a confused, how does connectivity happen between the blade server and fabric extender inside the chassis.
The information available only gives us idea about the possible network cards in the blade servers.
I want to understand, how actual connectivity is done between the blade servers and fabric extenders.
Is it through some cables or anything else? Please help.
Thanks,
Sushant

Hi Sushant
This has been discussed before
https://supportforums.cisco.com/discussion/12130401/vnic-bandwidth-question
https://supportforums.cisco.com/discussion/12207581/m81kr-vic-1240-and-vic-1280
https://supportforums.cisco.com/discussion/11897266/vic1240-and-2208xp
https://supportforums.cisco.com/discussion/11500981/vic-1280-vs-vic-1240-port-expander
https://supportforums.cisco.com/discussion/11900386/10g-between-adpater-and-blades-vic12401280
https://supportforums.cisco.com/discussion/12321671/ucs-enabledisable-dce
Cheers
Walter.

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