[c-nsp] Nexus 2k - host ports

[Chris Evans]

You can do it. Just have to worry about loops. Spanning tree isn't supported
on the fex ports.
On Jun 24, 2011 1:38 AM, "Thomason, Simon" <Simon.Thomason at racq.com.au>
wrote:
> Hey All,
>
> Just doing a little research at the moment for some design work and I
found out that you can not plug a switch into a nexus2k as all ports are
host ports.
>
> I am certain a least a few people on here have had a look into this and
was just wondering if there is some kind of work around?
>
> I have also been trying to find out if on the road map for the nexus
platform there is something in the works to support this at a later date.
>
> Reason for plugging a switch into the Nexus2k's would be to allow the ilo
ports which only operate at 100M to be plugged into a cheaper switch rather
than burning up a 10/100/1000 extender per rack with a 10gig extender.
>
> ---reference---
> Host interfaces are for host or server connectivity only; host interfaces
cannot connect to another network. These interfaces are always enabled as
edge ports; as they come up, these ports immediately transition to the
forwarding state. Host interfaces are always enabled with BPDU Guard. If a
BPDU is received, the port is immediately placed in an error-disabled state
which keeps the link down.
>
>
http://www.cisco.com/en/US/docs/switches/datacenter/nexus2000/sw/configuration/guide/rel_4_0_1a/FEX-features.html
>
> Host interfaces are for host or server connectivity only; host interfaces
cannot connect to another network. These interfaces are always enabled as
edge ports; as they come up, these ports immediately transition to the
forwarding state. Host interfaces are always enabled with BPDU Guard. If a
BPDU is received, the port is immediately placed in an error-disabled state
which keeps the link down.
> ---reference---
>
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