10 Nov
2020
10 Nov
'20
9:22 p.m.
Hmm. We saw some unusually high traffic on the link late last week,
which I thought might be the culprit, but that's died down, and if the
packet loss is continuing, there may be some other issue. I've fired
off an email to the UCSD netops guys to see if they know of any problems
up at CENIC.
Dan
On 11/10/20 6:59 PM, Albert Lawson via 44Net wrote:
Hey Guys,
I've noticed that the issue is still going on. Has there been any progress...???
Can we get an update please..???
Thanks
73's
- Albert
WB7AWL
-----Original Message-----
From: 44Net [mailto:44net-bounces+wb7awl=lawsonpc.com@mailman.ampr.org] On Behalf Of
lleachii--- via 44Net
Sent: Saturday, November 7, 2020 7:55 AM
To: 44net(a)mailman.ampr.org
Cc: lleachii(a)aol.com
Subject: Re: [44net] Lost Packets
Chris et. al.,
You noted something possible loss along a path. Close to AMPRGW, I
notice dc-tus-agg8--lax-agg8-300g.cenic.net is constantly giving me packet loss.
Also CENIC.ear1.LosAngeles1.Level3.net is somewhat dropping
(also dc-lax-agg8--lax-agg6-100ge-2.cenic.net).
I'm able to see this loss running with the command 'mtr -u gw.ampr.org' (UDP
seems to show more packet loss than 'mtr -T').
user@machine:~$ tracepath gw.ampr.org
1?: [LOCALHOST] pmtu 1500
1: OpenWrt.lan
0.540ms
1: OpenWrt.lan 0.824ms
2: no reply
3: B3352.WASHDC-LCR-21.verizon-gni.net 20.242ms
4: no reply
5: 0.ae1.BR1.IAD8.ALTER.NET 8.127ms
6: no reply
7: no reply
8: CENIC.ear1.LosAngeles1.Level3.net 65.995ms asymm 11
9: dc-lax-agg8--lax-agg6-100ge-2.cenic.net 71.811ms asymm 11
10: dc-tus-agg8--lax-agg8-300g.cenic.net 70.475ms asymm 11
11: dc-sdg-agg4--tus-agg8-300g.cenic.net 67.237ms
12: dc-ucsd-100ge--sdg-agg4.cenic.net 69.696ms
13: mcore-flow-bypass-mx0-p2p.ucsd.edu 68.723ms
14: sdsc-7710-7--mcore-vl2995-p2p.ucsd.edu 72.042ms
15: no reply
- Lynwood
KB3VWG
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