Steve, And what about a traceroute from hyphen.bard.edu to wherever that L3 looking glass is? Since the source (of the looking glass) doesn't appear to be shown, I would say a traceroute from hyphen.bard.edu to 4.69.132.242 would be the 2nd best thing to have (and ignore any packet loss you see at that destination; it's a router not a machine). Just last week on the mailing list I covered the importance of having traceroutes from both directions, re: asymmetrical routing. The PDF I've linked should be read in full: https://puck.nether.net/pipermail/outages/2012-September/004466.html -- | 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 Thu, Oct 04, 2012 at 02:35:07PM -0400, Steve Bohrer wrote:
Hi,
Bard College at Simon's Rock (simons-rock.edu) is a small college in Southwestern Mass, with our parent campus, Bard (bard.edu), in the Hudson Valley near Rhinebeck, NY.
We use a database hosted on the main campus, and poor database performance here is often correlated with Level3 / Global Crossing issues in New York city. Today my users are complaining about slow database response, and I find that traceroutes from here, and from Level3's Looking Glass Boston page now go from NYC to Poughkeepsie via Washington, Atlanta, and Miami. This is a new routing; traces from past months went directly from NYC to Poughkeepsie.
I've reported this to our provider, who has presumably passed it along to Level3, but I'm wondering if these goofy routes are part of a work-around of some bigger issue in NYC, or just a screw up, or perhaps there is some valid business reason for this routing change?
Anyone else seeing strangeness via Level3 from NYC to the Hudson?
Here's Level3's traceroute, from http://lg.level3.net/traceroute/traceroute.cgi?site=bos1&target=hyphen.bard.... :
Show Level 3 (Boston, MA) Traceroute to hyphen.bard.edu (192.246.235.1)
1 ae-2-7.bar1.Boston1.Level3.net (4.69.132.242) 0 msec 0 msec 0 msec 2 ae-0-11.bar2.Boston1.Level3.net (4.69.140.90) 0 msec 0 msec 4 msec 3 ae-8-8.ebr1.NewYork1.Level3.net (4.69.140.98) 32 msec 32 msec 36 msec 4 ae-10-10.ebr2.Washington12.Level3.net (4.69.148.50) 32 msec 32 msec 36 msec 5 ae-1-100.ebr1.Washington12.Level3.net (4.69.143.213) 36 msec 44 msec 44 msec 6 ae-6-6.ebr1.Atlanta2.Level3.net (4.69.148.105) 72 msec 36 msec 36 msec 7 ae-1-100.ebr2.Atlanta2.Level3.net (4.69.132.34) 32 msec 36 msec 44 msec 8 ae-2-2.ebr2.Miami1.Level3.net (4.69.140.141) 36 msec 40 msec 36 msec 9 ae-2-52.edge1.Miami2.Level3.net (4.69.138.107) 32 msec 36 msec 36 msec 10 64.209.106.214 36 msec 36 msec 36 msec 11 10gigabitethernet1-1.core1.atl1.he.net (72.52.92.53) [AS6939 {HURRICANE}] 40 msec 36 msec 40 msec 12 10gigabitethernet6-4.core1.ash1.he.net (184.105.213.109) [AS6939 {HURRICANE}] 40 msec 40 msec 52 msec 13 10gigabitethernet1-2.core1.nyc4.he.net (72.52.92.85) [AS6939 {HURRICANE}] 40 msec 48 msec 48 msec 14 10gigabitethernet4-1.core1.nyc5.he.net (184.105.213.218) [AS6939 {HURRICANE}] 40 msec 48 msec 48 msec 15 * lightower-fiber-networks.10gigabitethernet3-2.core1.nyc5.he.net (216.66.50.106) [AS6939 {HURRICANE}] 208 msec 204 msec 16 xe-0-3-0.pghknyshj42.lightower.net (72.22.160.150) [AS46887 {LIGHTOWER}] 208 msec * 220 msec 17 ae0-pghknyshj91.lightower.net (72.22.160.158) [AS46887 {LIGHTOWER}] 92 msec 64 msec 44 msec 18 xe-7-2-0.kgtnnykgj91.lightower.net (72.22.160.107) [AS46887 {LIGHTOWER}] 196 msec 128 msec 312 msec 19 BardCollege-cust.customer.hvdata.net (64.72.66.234) [AS46887 {LIGHTOWER}] 164 msec * *
(In the past, we sometimes got a nice short route directly from Level3 in Boston to Lightower.net in Boston, as Lightower seems to have a direct link Poughkeepsie to Boston. However, when Level3 merged with Global Crossing, our route to Bard started going through NYC to reach Lightower, which has been more troublesome.)
Thanks for any hints you can offer.
Steve Bohrer Network Admin Bard College at Simon's Rock 413-528-7645
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