[AG-TECH] multicast cycling issue

[monika.k.rabarison at jsums.edu]

Jimmy and John,

Thanks for your response.

-Monika


> Monika,
>
> If it's every 3 minutes or so, you are experiencing a router pruning
> issue. This usually occurs when your outgoing traffic takes a different
> path than the incoming traffic. The routers don't see any
> acknowledgement on the primary path so it prunes the route. Three
> minutes later it gets reestablished. We found this here in Utah. Our
> outgoing traffic used I2 and the incoming traffic came through NLR. We
> had to block the traffic on NLR to fix this. You'll need to get your
> network staff involved.
>
> Jimmy
>
>  --
> Jimmy Miklavcic
> Multimedia Specialist
> Jimmy.Miklavcic at utah.edu
>
> UNIVERSITY OF UTAH
> CTR FOR HIGH PERFORM COMPUTING
> 155 SOUTH 1452 EAST RM 405
> SALT LAKE CITY, UT 84112-0190
>
> Office: 801.585.9335
>  Fax: 801.585.5366
>
> http://www.anotherlanguage.org
>
>
> -----Original Message-----
> From: owner-ag-tech at mcs.anl.gov [mailto:owner-ag-tech at mcs.anl.gov] On
> Behalf Of monika.k.rabarison at jsums.edu
> Sent: Wednesday, March 12, 2008 9:58 AM
> To: ag-tech at mcs.anl.gov
> Subject: [AG-TECH] multicast cycling issue
>
> Hello All,
>
> We have been having a multicast "cycling on and off" issue since
> January.
> I wonder whether anyone has experienced or is experiencing a similar
> issue.
> We are located in Jackson, Mississippi.
>
> Thanks for any insight,
>
> Monika
>