Re: OT: Transmit drops

From: Jay McMickle <jay.mcmickle_at_yahoo.com>
Date: Thu, 8 Mar 2012 16:34:52 -0600

Packet bursts, maybe?
Do you have NetFlow turned on? A wireshark will show you millisecond spikes, as opposed to, NetFlow with 30second samples.

Regards,
Jay McMickle- CCNP,CCSP,CCDP
Sent from iJay

On Mar 8, 2012, at 12:05 PM, marc abel <marcabel_at_gmail.com> wrote:

> I have an hp switch uplinked to a Cisco 4506R over 10GB ethernet. This link
> averages about 600Mb of traffic but spikes up to around 1.5Gb. I've never
> seen it spike over 2Gb per sec. The thing is this connection seems to have
> a high number of transmit drops. Looking at the current statistics on the
> interface statistics I see 3.5 Billion total frames with 440 million
> transmit drops so over 10%. Why would an interface that is never maxed seem
> to be dropping so many packets?
>
> I don't see any errors that would make me suspect a bad cable or anything,
> no FCS runts, giants, or collisions.
>
> There is no queuing on this interface, would that help the situation?
>
> -Marc
>
>
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Received on Thu Mar 08 2012 - 16:34:52 ART

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