Those of you having issues, can you check to see if they're still occurring?
Thanks, John On Thu, Feb 19, 2015 at 4:25 PM, Jeremy Chadwick via Outages < [email protected]> wrote: > Here's another destination showing the same problem (I can't even load > http://www.dslreports.com/ at present -- handshake works, but either > client->server GET request gets lost, or payload response gets lost, > followed by TCP retrans, eventually RST from the server, rinse lather > repeat), with things again looking centralised around LA. > > Hopefully having multiple test endpoints will come in handy. > > Source IP: 69.181.142.213 > Destination IP: 64.91.255.98 > > > Packets Pings > Host Loss% > Snt Rcv Last Avg Best Wrst > 1. gw.home.lan (192.168.1.1) 0.0% > 171 171 0.2 0.2 0.2 0.4 > 2. 69.181.136.1 0.0% > 171 171 12.7 9.6 7.7 19.2 > 3. te-0-2-0-5-sur03.santaclara.ca.sfba.comcast.net (68.86.249.69) > 0.0% 171 171 9.4 9.2 8.0 17.1 > 4. te-0-0-0-13-sur03.sanrafael.ca.sfba.comcast.net (162.151.78.134 > 0.0% 171 171 12.1 12.2 9.5 18.4 > 5. he-1-5-0-0-cr01.sanjose.ca.ibone.comcast.net (68.86.90.93) > 98.8% 171 2 50456 50095 49735 50456 > 6. he-2-9-0-0-cr01.losangeles.ca.ibone.comcast.net (68.86.86.102) > 2.9% 171 166 14.1 13.5 10.9 22.7 > 7. he-2-12-0-0-cr01.seattle.wa.ibone.comcast.net (68.86.86.229) > 1.8% 171 168 29.2 30.2 27.4 36.3 > 8. he-0-15-0-0-cr01.denver.co.ibone.comcast.net (68.86.86.213) > 9.9% 171 154 50.1 47.6 44.9 53.1 > 9. he-5-13-0-0-cr01.350ecermak.il.ibone.comcast.net (68.86.85.245) > 4.1% 171 163 72.9 72.3 68.6 84.7 > 10. hu-0-10-0-1.pe03.350ecermak.il.ibone.comcast.net (68.86.86.6) > 5.3% 170 161 69.8 69.4 68.1 84.7 > 11. 50.242.150.126 7.1% > 170 158 106.0 89.7 67.4 400.5 > 50.242.150.130 > 12. lw-dc3-core1-te8-16.rtr.liquidweb.com (209.59.157.244) > 9.4% 170 154 75.7 80.9 75.2 242.7 > 13. lw-dc3-dist15-po5.rtr.liquidweb.com (69.167.128.241) > 2.4% 170 166 75.0 75.9 74.7 83.6 > 14. www.dslreports.com (64.91.255.98) > 5.3% 170 161 74.2 74.3 73.2 82.5 > > -- > | Jeremy Chadwick [email protected] | > | UNIX Systems Administrator http://jdc.koitsu.org/ | > | Making life hard for others since 1977. PGP 4BD6C0CB | > > On Thu, Feb 19, 2015 at 03:07:04PM -0800, Jeremy Chadwick wrote: > > Something weird is going on with Comcast in Los Angeles: small packets > > appear to be getting discarded with a loss rate of ~6-10% while larger > > packets (I've tried 1000 and 1200) seem to make it through without any > > loss. Things like SSH and IMAP+SSL are impacted consistently > > (particularly during key exchange), while HTTP does not appear to be, so > > the issue appears to be affecting both TCP and ICMP (have not tested > > UDP). > > > > First sign of this issue, according to my logs, is at 11:51 PT (UTC-8), > > and has gradually gotten worse over the past few hours. > > > > Looks like the issue is with the forward path (Source->Destination > > listed below), as the return path only shows loss at the final > > destination. (I currently cannot provide a return-path mtr because the > > only way I can access my box is through VNC, and I don't like doing > > things like screenshots of a VNC window, so you'll just have to trust > > me) > > > > Nothing anomalous shows up when using L3's looking glass to ping things, > > and the only Comcast LG I know of is in NYC. > > > > I most likely won't see Email responses from anyone (directly or to the > > list) until this problem is addressed, since my mail is hosted on shown > > box and cannot currently be fetched due to the problem. Frustrating. > > > > Source IP: 69.181.142.213 > > Destination IP: 174.136.108.146 > > > > ICMP 56 bytes: > > > > > Packets Pings > > Host > Loss% Snt Rcv Last Avg Best Wrst > > 1. gw.home.lan (192.168.1.1) > 0.0% 185 185 0.2 0.2 0.2 0.3 > > 2. 69.181.136.1 > 0.0% 185 185 8.9 9.9 7.0 21.1 > > 3. te-0-2-0-5-sur03.santaclara.ca.sfba.comcast.net (68.86.249.69) > 0.0% 185 185 8.7 9.9 7.9 17.0 > > 4. te-0-0-0-13-sur03.sanrafael.ca.sfba.comcast.net (162.151.78.134 > 0.0% 185 185 10.7 12.9 9.7 20.7 > > 5. he-1-5-0-0-cr01.sanjose.ca.ibone.comcast.net (68.86.90.93) > 98.4% 184 3 49496 49006 47906 49615 > > 6. he-2-9-0-0-cr01.losangeles.ca.ibone.comcast.net (68.86.86.102) > 5.4% 184 174 11.9 14.1 10.9 23.5 > > 7. 50.242.148.34 > 6.5% 184 172 11.7 13.4 10.4 69.9 > > 8. ae-3-80.edge6.LosAngeles1.Level3.net (4.69.144.142) > 66.7% 184 61 44.9 20.6 18.0 44.9 > > 9. ae-3-80.edge6.LosAngeles1.Level3.net (4.69.144.142) > 59.0% 184 75 18.7 19.8 18.0 26.0 > > 10. ae-27-27.car2.LosAngeles1.Level3.net (4.69.201.18) > 2.2% 184 180 20.8 63.1 18.2 293.3 > > 11. GIGLINX-INC.car2.LosAngeles1.Level3.net (4.30.195.86) > 6.0% 184 173 19.2 22.2 19.1 39.3 > > 12. mambo.koitsu.org (174.136.108.146) > 6.5% 184 172 18.8 20.6 18.5 36.9 > > > > Note: Loss shown at above hops #5, #8, and #9 are normal according to > > historic data (i.e. ICMP prioritisation is in effect) -- however loss at > > hop #6 is new. > > > > > > ICMP 1200 bytes: > > > > > Packets Pings > > Host > Loss% Snt Rcv Last Avg Best Wrst > > 1. gw.home.lan (192.168.1.1) > 0.0% 43 43 0.3 0.3 0.2 0.4 > > 2. 69.181.136.1 > 0.0% 43 43 9.7 10.4 8.6 14.3 > > 3. te-0-2-0-5-sur03.santaclara.ca.sfba.comcast.net (68.86.249.69) > 0.0% 42 42 10.0 10.0 8.7 16.0 > > 4. te-0-0-0-13-sur03.sanrafael.ca.sfba.comcast.net (162.151.78.134 > 0.0% 42 42 11.7 13.3 10.3 18.9 > > 5. ??? > > 6. he-2-9-0-0-cr01.losangeles.ca.ibone.comcast.net (68.86.86.102) > 0.0% 42 42 14.4 15.9 12.4 25.1 > > 7. 50.242.148.34 > 0.0% 42 42 12.7 13.6 11.2 23.1 > > 8. ae-3-80.edge6.LosAngeles1.Level3.net (4.69.144.142) > 9.8% 42 37 20.0 20.7 18.8 25.0 > > 9. ae-3-80.edge6.LosAngeles1.Level3.net (4.69.144.142) > 0.0% 42 42 19.1 21.1 18.9 29.9 > > 10. ae-27-27.car2.LosAngeles1.Level3.net (4.69.201.18) > 0.0% 42 42 64.3 105.7 20.9 412.5 > > 11. GIGLINX-INC.car2.LosAngeles1.Level3.net (4.30.195.86) > 0.0% 42 42 20.6 22.5 19.9 31.2 > > 12. mambo.koitsu.org (174.136.108.146) > 0.0% 42 42 20.7 22.0 20.1 26.4 > > > > -- > > | Jeremy Chadwick [email protected] | > > | UNIX Systems Administrator http://jdc.koitsu.org/ | > > | Making life hard for others since 1977. PGP 4BD6C0CB | > > > _______________________________________________ > Outages mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/outages >
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