Many IPv6 sites that I monitoring are repoting down ... the first few I checked are with HE: root@nagios:~/tmp# tcptraceroute 6lab.cisco.com Selected device eth0.3, address 96.31.0.5, port 50468 for outgoing packets Tracing the path to 6lab.cisco.com (173.38.154.157) on TCP port 80 (www), 30 hops max 1 router-core-inside.mtcnet.net (96.31.0.254) 0.252 ms 0.266 ms 0.207 ms 2 sxct.spnc.mtcnet.net (167.142.156.194) 0.269 ms 0.180 ms 0.142 ms 3 premier.spnc-mlx.fbnt.netins.net (173.215.60.1) 4.780 ms 4.752 ms 14.526 ms 4 ins-kb1-te-12-2-3031.kmrr.netins.net (167.142.64.253) 8.517 ms 8.685 ms 8.556 ms 5 ins-kc2-et-po101.kmrr.netins.net (167.142.67.49) 8.546 ms 8.579 ms 9.526 ms 6 v504.core1.oma1.he.net (184.105.18.169) 36.198 ms 30.499 ms 30.476 ms 7 *^C root@nagios:~/tmp# tcptraceroute6 www.informationweek.com traceroute to www.informationweek.com (2620:103::192:155:48:81) from 2607:fe28:0:1000::5, port 80, from port 43778, 30 hops max, 60 bytes packets 1 router-core.mtcnet.net (2607:fe28:0:1000::1) 0.245 ms 0.211 ms 0.210 ms 2 sxct.spnc.mtcnet.net (2607:fe28:11:1002::194) 0.259 ms 0.148 ms 0.157 ms 3 v6-premier.movl-mlx.fbnt.netins.net (2001:5f8:7f0a:1::1) 5.014 ms 11.906 ms 4.972 ms 4 v6-ins-kb1-te-12-2-3031.kmrr.netins.net (2001:5f8:2:2::1) 8.780 ms 8.597 ms 8.589 ms 5 v6-ins-kc2-et-9-3.kmrr.netins.net (2001:5f8::27:1) 8.643 ms 8.605 ms 8.678 ms 6 10gigabitethernet9.switch1.oma1.he.net (2001:470:1:9a::1) 13.342 ms 16.310 ms 16.173 ms 7 10ge15-8.core1.den1.he.net (2001:470:0:332::1) 23.416 ms 23.457 ms 38.828 ms 8 asn-qwest-us-as209.10gigabitethernet13-2.core1.den1.he.net (2001:470:0:39f::2) 30.422 ms 30.385 ms 30.395 ms 9 * * * 10 * * * 11 * * * 12 * * * 13 * * * ^C46% completed... root@nagios:~/tmp#