[j-nsp] strange packet loss without impact

[Christian]

Hi,
Try to monitor the fwdd process - when running high it causes packet to 
drop on these pc's.

Christian


Le 04/07/2011 13:11, Adam Leff a écrit :
> I realize this will sound silly, but have you checked for half-duplex
> on your interfaces?
>
> Those onboard J6350 interfaces are actually 10/100/1000, so if you
> don't have the speed and link-mode hardcoded,  do a show interfaces
> extensive ge-0/0/# and check the link partner section to ensure you're
> running full-duplex.
>
> Adam
>
> On Jul 4, 2011, at 7:01, Matthias Brumm<matthias at brumm.net>  wrote:
>
>> Hello!
>>
>> Since some weeks now, we have a strange packet loss on one of our edge
>> locations.
>>
>> A few days ago an IX informed us about packet loss on our router. The router
>> in place is a J6350. We have a 1 Gig line to us and two 1 Gig lines to some
>> uplinks. Every communication goes through a 1 Gig copper link to a ProCurve
>> 2810-24G. So the external links are connected to the switch and the switch
>> via one cable with the router.
>>
>> The packet loss is strange, because:
>>
>> 1. In smokeping during the busy hours of the day, there are losses of about
>> 5%
>> 2. From my workstation I get packet loss of about 10 up to 50%
>> 3. There are no errors on the switch or router interface (except i.e. VLAN
>> errors)
>> 4. no customers have reported any problems. But there are many customers
>> relying on real time communication (VoIP/RDP)
>> 5. The switch port with the router is showing maximum 200 Mbit
>> 6. The router is showing 20% real-time threads
>>
>> According to the datasheet the J-Series should be able to deliver this
>> performance easily. Or are the onboard Gig-Interfaces the problem? Of course
>> I know, that this physical configuration is a bad idea, and I will change is
>> very soon to ease the load on this particular port.
>>
>> Any other ideas?
>>
>> Regards,
>>
>> Matthias
>> _______________________________________________
>> juniper-nsp mailing list juniper-nsp at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/juniper-nsp
> _______________________________________________
> juniper-nsp mailing list juniper-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/juniper-nsp