[c-nsp] Cisco 6509-E with SUP32 and WS-X6148A-GE-45AF, interfaces flapping

[Jeff Kell]

On 6/1/2011 8:53 AM, Jim Getker (getker) wrote:
> Hi Renelson,
>
> Does this happen in the mornings in particular?  We have seen a number
> of NIC cards that drop link speed down to 10mbps during the night to
> save power.  Then in the mornings when everyone logs in the NIC cards go
> back to 1G operation and it causes lots of flaps.

+1 here, but we don't have any 6500s terminating the user/desktop ends; but I have seen
this on other switches.

Many desktops that support "wake-on-LAN" or similar power saving mode do indeed drop
down to a dumber 10/half "sleeping" mode.

It drives Procurve switches nuts :)

Jeff