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Mike, I'm glad it's working now. We strive to keep the LDM backward-compatible -- and as far as I know, we have. So I don't think your problem was due to a version incompatibility. Please keep us apprised if you have further difficulties. > looks like it is working now, I downgraded to 6.11 and that fixed it. > > I am connected now and am receiving data. Connection has been up since Sep > 29 12:54:48 (assuming CST). > > I suspect that if you upgrade past 6.11, then my 6.7 system can no longer > connect (due to a protocol change?). I suspect I need to add some > additional firewall rules (within Garmin IT) to work with you (probably in > the realm of RPC). > > How soon do you want to upgrade above 6.11 ? (So I can schedule that work > on my side.) > > PS. Here’s the new output you requested (where it shows all is well): > [ldm@olaxpa-chanwxfeed00:~]$ notifyme -vl - -h blizzard.rcac.purdue.edu | > more > > Sep 29 20:10:42 notifyme[22855] NOTE: Starting Up: blizzard.rcac.purdue.edu: > 20170929201042.275 TS_ENDT {{ANY, ".*"}} > Sep 29 20:10:42 notifyme[22855] NOTE: LDM-5 desired product-class: > 20170929201042.275 TS_ENDT {{ANY, ".*"}} > Sep 29 20:10:42 notifyme[22855] INFO: Resolving blizzard.rcac.purdue.edu to > 128.211.148.52 took 0.001575 seconds > Sep 29 20:10:52 notifyme[22855] NOTE: NOTIFYME(blizzard.rcac.purdue.edu): > reclass: 20170929201042.275 TS_ENDT > {{EXP|NXRDSRC|NEXRAD2|NEXRAD3|NPORT|NIMAGE|GEM|FNMOC|GPS|FAA604|DIFAX|WSI|NMC|FSL|UNIDATA|SPARE|0x80000000,".*"}} > Sep 29 20:10:52 notifyme[22855] NOTE: NOTIFYME(blizzard.rcac.purdue.edu): OK > Sep 29 20:10:53 notifyme[22855] INFO: 99740 20170929201043.200 HDS > 3129 IXTD99 KNES 292010 > Sep 29 20:10:53 notifyme[22855] INFO: 742838 20170929201043.745 HDS > 3130 IXTD99 KNES 292010 Regards, Steve Emmerson Ticket Details =================== Ticket ID: PIO-541465 Department: Support LDM Priority: Normal Status: Closed =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.