Thank U i have finally found the problem it was a wrong IP in the tunnel chain it consisted of few routers in series Thank You all for all your help Now additional question : who deal with entering/Changing records in the ampr.org DNS ? I need to update few records in my Network Thanks Forward Ronen - 4Z4ZQ ________________________________ From: John Gilmore <gnu(a)toad.com> Sent: Tuesday, January 28, 2020 12:35 AM To: R P <ronenp(a)hotmail.com>om>; gnu(a)toad.com <gnu(a)toad.com> Subject: Re: [44net] Need TraceRoute from UCSD router R P via 44Net <44net(a)mailman.ampr.org> wrote: I'm not Steve, but here is a traceroute from the UCSD Router to some IP address that was mentioned in the message (you were not specific about what IP address you wanted a trace to, so I just had to guess. Be specific if you are asking people to do some service for you!) John traceroute to 31.44.137.3 (31.44.137.3), 64 hops max, 40 byte packets 1 169.228.34.82 (169.228.34.82) 0.607 ms 0.539 ms 0.606 ms 2 nodem-core-6807-vlan2995-gw.ucsd.edu (132.239.255.49) 0.215 ms 0.245 ms 0.209 ms 3 mx0--nodem-core-30ge.ucsd.edu (132.239.254.162) 0.261 ms 0.227 ms 0.216 ms 4 mx1--mx0-p2p.ucsd.edu (132.239.254.149) 0.566 ms 0.287 ms 0.265 ms 5 riv-agg4--ucsd-2.cenic.net (137.164.23.57) 3.240 ms 3.206 ms 3.152 ms 6 dc-lax-agg6--riv-agg8-100ge-2.cenic.net (137.164.22.46) 5.016 ms dc-lax-agg6--riv-agg8-100ge.cenic.net (137.164.11.2) 5.173 ms 5.120 ms 7 8-1-1-90.ear1.LosAngeles1.Level3.net (4.35.156.65) 4.925 ms 4.916 ms 4.920 ms 8 ae-1-3111.edge4.London1.Level3.net (4.69.141.230) 135.741 ms 135.784 ms 135.748 ms 9 195.122.180.186 (195.122.180.186) 209.543 ms 209.932 ms 209.580 ms 10 * * * 11 * * * 12 * * * 13 * * * 14 * * *