Good Evening, Can anyone from AT&T or Cogent assist me? I cannot connect between two of my sites, and the issue appears to be either on AT&T’s network or between AT&T and Cogent according to traceroute. All Internet traffic at both sites appears to be functioning, other than this site to site connectivity: Traceroute from side A, source IP 64.179.178.34: FW-A# exec traceroute 12.166.160.250 traceroute to 12.166.160.250 (12.166.160.250), 32 hops max, 3 probe packets per hop, 84 byte packets 1 64.179.178.33 <static-33.64-179-178.vastbb.net> 2.297 ms 2.098 ms 1.849 ms 2 208.117.98.138 <host-138.208-117-98.vastbb.net> 1.590 ms 1.643 ms 2.012 ms 3 10.255.0.0 11.100 ms 19.099 ms 22.795 ms 4 216.16.3.155 18.779 ms 18.644 ms 18.694 ms 5 38.142.172.9 <be5043.rcr21.msp01.atlas.cogentco.com> 27.814 ms 27.903 ms 27.844 ms 6 154.54.24.34 <be2411.ccr41.ord01.atlas.cogentco.com> 33.590 ms 33.645 ms 33.625 ms 7 154.54.45.18 <be2765.ccr41.ord03.atlas.cogentco.com> 33.418 ms 33.639 ms 33.808 ms 8 154.54.12.86 <att.ord03.atlas.cogentco.com> 36.106 ms 35.741 ms 36.079 ms 9 * * * 10 * * * 11 * * * 12 * * * 13 * * * 14 * * * 15 * * * Traceroute from side B, source IP 12.166.160.250: FW-B# exec traceroute 64.179.178.34 traceroute to 64.179.178.34 (64.179.178.34), 32 hops max, 3 probe packets per hop, 84 byte packets 1 12.166.160.249 0.148 ms 0.088 ms 0.082 ms 2 10.17.1.5 2.195 ms 2.281 ms 1.995 ms 3 10.17.0.5 4.179 ms 2.627 ms 3.879 ms 4 12.117.201.149 18.532 ms 18.482 ms 20.171 ms 5 12.122.158.170 87.847 ms * * 6 12.122.158.177 81.833 ms 86.028 ms 82.135 ms 7 12.122.5.229 <cr82.st0wa.ip.att.net> 88.562 ms 85.265 ms 84.468 ms 8 * * * 9 * * * 10 * * * 11 * * * 12 * * * 13 * * * 14 * * * 15 * * * Both IPs in question here are setup to respond to ICMP ping. Thanks in advance! /chris