[outages] Packet loss to 8.8.8.8 and other google IPs (Dallas)
Randall (Randy) Raitz
randy.raitz at readytalk.com
Mon Aug 29 14:26:32 EDT 2016
I am not seeing these issues from LAX via Cogent, Denver via Level3 or Denver via Hurricane Electric. I am seeing some packet loss on certain hops on Level3 and Zayo's backbones, but it is not persistent through the remaining hops, indicating some ICMP rate limiting or something.
From: Outages [mailto:outages-bounces at outages.org] On Behalf Of Mason Moody via Outages
Sent: Monday, August 29, 2016 12:20 PM
To: outages at outages.org
Subject: Re: [outages] Packet loss to 8.8.8.8 and other google IPs (Dallas)
I'm seeing the same.
$ sudo mtr -rwc 20 8.8.4.4
HOST: endor Loss% Snt Last Avg Best Wrst StDev
1. 69.28.84.2 0.0% 20 1.1 22.2 0.4 181.5 47.2
2. 38.104.37.141 0.0% 20 1.3 1.3 1.0 2.5 0.3
3. te0-3-1-1.rcr21.dfw02.atlas.cogentco.com 0.0% 20 0.8 0.9 0.6 2.0 0.4
4. be2277.ccr22.dfw01.atlas.cogentco.com 0.0% 20 0.9 1.0 0.9 1.2 0.1
5. be2764.ccr41.dfw03.atlas.cogentco.com 0.0% 20 0.9 1.1 0.9 1.5 0.2
6. tata.dfw03.atlas.cogentco.com 0.0% 20 0.9 1.0 0.7 2.0 0.3
7. 72.14.219.124 25.0% 20 0.8 1.0 0.8 1.7 0.2
8. 108.170.240.193 20.0% 20 1.0 1.1 0.9 1.2 0.1
9. 64.233.175.9 30.0% 20 1.0 1.1 1.0 1.2 0.1
10. google-public-dns-b.google.com 45.0% 20 1.0 1.0 0.9 1.0 0.0
On 2016-08-29 14:14, Dan White via Outages wrote:
We are seeing packet loss to google hosts, hosted in Dallas. Any anyone seeing this?
MTR output:
Host Loss% Snt Last Avg Best Wrst StDev
1. 10.0.2.1 0.0% 51 2.4 1.9 0.5 5.2 0.7
2. olp-67-217-152-5.olp.net 0.0% 51 0.4 3.7 0.3 27.8 4.9
3. olp-67-217-158-29.olp.net 0.0% 50 0.3 4.5 0.3 22.0 5.3
4. olp-67-217-151-125.olp.net 0.0% 50 0.6 4.9 0.6 33.3 6.8
5. olp-67-217-158-30.olp.net 0.0% 50 0.6 6.4 0.5 64.0 10.5
6. olp-67-217-158-21.olp.net 0.0% 50 11.4 4.4 1.1 13.6 4.1
7. xe-8-3-0.bar2.tulsa2.level3.net 0.0% 50 1.2 2.7 1.2 27.5 5.5
8. ae-0-11.bar1.tulsa2.level3.net 0.0% 50 2.0 4.1 1.9 44.5 7.8
9. ae-3-3.ebr4.dallas1.level3.net 91.8% 50 20.5 20.5 20.5 20.5 0.0
10. ae-8-0.ear3.dallas1.level3.net 93.9% 50 20.6 20.6 20.6 20.7 0.0
11. google-level3-100g.dallas1.leve28.0% 50 20.5 20.7 20.4 29.6 1.5
12. 108.170.240.193 22.0% 50 20.8 20.7 20.7 20.9 0.0
13. 64.233.175.9 26.0% 50 20.7 20.7 20.7 20.8 0.0
14. google-public-dns-a.google.com 24.0% 50 20.5 20.6 20.5 25.9 0.9
The problematic hop appears to be either 10 or 11 (level3-100g). Compare to:
Host Loss% Snt Last Avg Best Wrst StDev
1. 10.0.2.1 0.0% 124 0.8 1.6 0.5 4.6 0.5
2. olp-67-217-152-5.olp.net 0.0% 124 3.8 4.3 0.3 29.9 5.6
3. olp-67-217-158-29.olp.net 0.0% 124 0.3 3.5 0.3 26.1 4.9
4. olp-67-217-151-125.olp.net 0.0% 124 6.6 3.3 0.6 20.0 3.7
5. olp-67-217-158-30.olp.net 0.0% 124 0.6 7.1 0.6 44.1 9.8
6. olp-67-217-158-21.olp.net 0.8% 124 11.9 4.8 1.1 14.9 4.3
7. xe-8-3-0.bar2.tulsa2.level3.net 0.0% 123 1.3 4.0 1.1 68.3 11.3
8. ae-0-11.bar1.tulsa2.level3.net 0.8% 123 2.1 3.9 1.9 62.3 8.1
9. ae-3-3.ebr4.dallas1.level3.net 94.3% 123 20.5 20.6 20.5 20.6 0.0
10. ae-2-3512.edge2.dallas1.level3. 0.0% 123 20.4 22.1 20.3 68.0 7.1
11. b.resolvers.level3.net 0.0% 123 20.2 20.3 20.2 22.8 0.3
--
____________
Mason Moody
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