TCP packets Drop !!

[Sean Bruno]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512



On 04/05/16 06:26, shahzaib mushtaq wrote:
> Here is the full output of netstat -s :
> 
> http://pastebin.com/pyxDtJkL
> 
> 
> 
> On Tue, Apr 5, 2016 at 3:38 PM, shahzaib mushtaq
> <shahzaib.cb at gmail.com> wrote:
> 
>> Hi Guys,
>> 
>> Hopes i've landed on the correct forum for tcp network queries.
>> We've seen tons of packets being dropped via command netstat -s
>> in our production with FreeBSD-10.1. The one whose timeout value
>> keeps on increasing is 'rexmit timeout' . Here is the list of
>> timeout / dropped packets.
>> 
>> http://prntscr.com/aod4f2
>> 
>> The server is on 4x1Gbps Lacp port . We've also tried disabling
>> NICs feature TSO but in vain :
>> 
>> http://prntscr.com/aod526
>> 
>> Please let me know if you need any further info to help resolving
>> this issue ?
>> 
>> Thanks in advance !!
>> 
>> Regards. Shahzaib
>> 
> _______________________________________________ 
> freebsd-net at freebsd.org mailing list 
> https://lists.freebsd.org/mailman/listinfo/freebsd-net To
> unsubscribe, send any mail to
> "freebsd-net-unsubscribe at freebsd.org"
> 


I was seeing something, that I thought was a problem with my lab with
lagg(4) lacp.

I have a small NetGear switch that is capable of lagg(4) with LACP,
and I saw the same small number of dropped packets/out of order problem.

Does the problem *still* happen with no LACP?

sean
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2

iQF8BAEBCgBmBQJXB+aWXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w
ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRCQUFENDYzMkU3MTIxREU4RDIwOTk3REQx
MjAxRUZDQTFFNzI3RTY0AAoJEBIB78oecn5koE4H/14+LdA5IQMUzXeWQrspOtPZ
nJl189fX+grd6PQowXBBU5ALojNmvUvfP5n/uFkVvXXSqjVXTnASXw/v5oplsW8Q
lQOOzOyuhC+8QjD93aXntXCjcmz2saT3x68zfYlY6d8TIOMAb/DRPqBCnBL3MPrM
pdlDCf9bzw5VaQV6PCqEcnzaBg1JuOdh0JTG6AtmdK0DAG76OsunSjouk5uU8Z6t
Ao3YQ3CsIAW7CVF1IRUECnPuGUBfFOTasBNj25lGQgvMKss9ZLPxR/Yskihfh+pa
sbk4/QwEi4Mpcg8uXFDvETSlxBq/hyBTA2I5x4rtxa48CmynvsuwHLKDb3jbQlI=
=US14
-----END PGP SIGNATURE-----