Bob, on A44RTR is see SG1 flapping as well. After breakfast I'll see whether there is a pattern. Initially I thought it was the linux laptop going to sleep after a whule. That may not be the case. Hans ------Origineel bericht------ Van: Bob Armstrong Afzender: owner-hecnet at Update.UU.SE Aan: hecnet at Update.UU.SE Beantwoorden: hecnet at Update.UU.SE Onderwerp: RE: [HECnet] netowrk flapping.... Verzonden: 10 juni 2012 01:32 Yup, that's basically a deficiency I've got... Yeah, but the next question is "Are you the only one", or do other people's routers have similar timeout issues? Bob