Blake, 1. You need to provide traceroutes from both endpoints, given the very likely possibility of asymmetric routing, 2. You need to provide both source and destination IP addresses, 3. Please make sure your destinations are not routers -- they need to be actual hosts. If network or host ACLs/firewalls inhibit the ability to reach the destinations, that can make things a bit more difficult given the possibility of ICMP prioritisation. I say this with acknowledgement of your statement that the same hop tends to show 60ms during normal hours but increases during evenings. Necessary details/specifics are covered here: http://www.nanog.org/meetings/nanog47/presentations/Sunday/RAS_Traceroute_N4... Thanks. -- | Jeremy Chadwick jdc@koitsu.org | | UNIX Systems Administrator http://jdc.koitsu.org/ | | Mountain View, CA, US | | Making life hard for others since 1977. PGP 4BD6C0CB | On Wed, Mar 13, 2013 at 02:50:47AM +0000, Blake Pfankuch - Mailing List wrote:
I have seen this the past few nights in a row, however based on a problem we have been having with a customer VPN im thinking its been going on longer. Tracert section below. Hop 13 has been really high latency for me during issues. When its acting up, latency between home and work is 160-200ms. At 6am this morning, it was 60ms and was consistent all day until 530pm today according to smokeping. 5 19 ms 20 ms 20 ms te-0-10-0-13-ar02.aurora.co.denver.comcast.net [68.86.103.82] 6 23 ms 16 ms 16 ms he-3-9-0-0-cr01.denver.co.ibone.comcast.net [68.86.92.21] 7 53 ms 62 ms 31 ms 68.86.89.190 8 34 ms 30 ms 29 ms pos-0-0-0-0-pe01.1950stemmons.tx.ibone.comcast.net [68.86.86.90] 9 35 ms 31 ms 29 ms sl-st31-dal-.sprintlink.net [144.232.25.33] 10 31 ms 31 ms 32 ms 144.232.11.207 11 86 ms 86 ms 30 ms 144.232.1.162 12 42 ms 45 ms 40 ms sl-crs2-kc-0-5-5-0.sprintlink.net [144.232.24.7] 13 550 ms 110 ms 186 ms 144.232.1.101 14 193 ms 300 ms 119 ms sl-crs2-che-0-0-2-0.sprintlink.net [144.232.18.120] 15 114 ms 102 ms 104 ms sl-gw16-che-15-0-0.sprintlink.net [144.232.6.50]
Anyone seeing something similar or anyone insightful from either organization who might be able to help out?
Thanks, Blake
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