[99593] in North American Network Operators' Group
RE: Cogent issues in SF area?
daemon@ATHENA.MIT.EDU (Krichbaum, Eric)
Fri Sep 28 17:36:51 2007
Date: Fri, 28 Sep 2007 17:08:38 -0400
In-Reply-To: <1b5c1c150709281245w5ffb236if595e3e196502b83@mail.gmail.com>
From: "Krichbaum, Eric" <Eric.Krichbaum@admin.citynet.net>
To: <nanog@merit.edu>
Errors-To: owner-nanog@merit.edu
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http://www.e-gerbil.net/cogent-t1r looks like they're playing the
depeering games again.
=20
E
=20
________________________________
From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On Behalf Of
Mike Lyon
Sent: Friday, September 28, 2007 3:45 PM
To: CARL.P.HIRSCH@sargentlundy.com
Cc: NANOG
Subject: Re: Cogent issues in SF area?
CNN and www.archive.org were the two sites I couldn't get to...
-Mike
On 9/28/07, CARL.P.HIRSCH@sargentlundy.com
<CARL.P.HIRSCH@sargentlundy.com> wrote:=20
We're seeing very poor performance on Cogent in Chicago to major
sites such as CNN and Salon. Traceroutes indicate packets dropping
inside Cogent's network and at their handoff to at atdn.net. Opened a
ticket with Cogent around 10am Central, haven't heard from anybody
since.=20
=09
Not necessarily related to your problem, but maybe another data
point.=20
=09
Carl Hirsch=20
=09
=09
=09
=09
"Mike Lyon" <mike.lyon@gmail.com>=20
Sent by: owner-nanog@merit.edu=20
09/28/2007 01:39 PM=20
To
NANOG <nanog@merit.edu> =09
cc
=09
Subject
Cogent issues in SF area?=09
=09
=09
=09
=09
=09
=09
Anyone else seeing it?
=09
BGP_Level3>traceroute 208.70.27.35
=09
Type escape sequence to abort.
Tracing the route to 208.70.27.35
=09
1 4.79.220.77 0 msec 4 msec 0 msec
2 4.68.123.30 [AS 3356] 8 msec 0 msec 4 msec
3 4.68.18.5 [AS 3356] 0 msec 4 msec 0 msec
4 4.68.110.138 [AS 3356] 4 msec 0 msec 4 msec
5 154.54.6.81 [AS 174] 4 msec * 0 msec
6 154.54.6.133 [AS 174] 4 msec 4 msec 4 msec
7 154.54.24.38 [AS 174] 4 msec 4 msec 4 msec
8 * * *
9 * * *
=09
Bah!
=09
-Mike
=09
=09
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<META content=3D"MSHTML 6.00.6000.16525" name=3DGENERATOR></HEAD>
<BODY>
<DIV dir=3Dltr align=3Dleft>
<P class=3DMsoPlainText style=3D"MARGIN: 0in 0in 0pt"><A=20
href=3D"http://www.e-gerbil.net/cogent-t1r">http://www.e-gerbil.net/cogen=
t-t1r</A><FONT=20
face=3DArial><FONT color=3D#0000ff><FONT size=3D2> <SPAN=20
class=3D863460721-28092007>looks like they're playing the depeering =
games=20
again.</SPAN></FONT></FONT></FONT></P></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2></FONT> </DIV>
<DIV><SPAN class=3D863460721-28092007><FONT face=3DArial color=3D#0000ff =
size=3D2>E</FONT></SPAN></DIV>
<DIV><SPAN class=3D863460721-28092007></SPAN> </DIV><BR>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft>
<HR tabIndex=3D-1>
<FONT face=3DTahoma size=3D2><B>From:</B> owner-nanog@merit.edu=20
[mailto:owner-nanog@merit.edu] <B>On Behalf Of </B>Mike =
Lyon<BR><B>Sent:</B>=20
Friday, September 28, 2007 3:45 PM<BR><B>To:</B>=20
CARL.P.HIRSCH@sargentlundy.com<BR><B>Cc:</B> NANOG<BR><B>Subject:</B> =
Re: Cogent=20
issues in SF area?<BR></FONT><BR></DIV>
<DIV></DIV>CNN and <A =
href=3D"http://www.archive.org">www.archive.org</A> were the=20
two sites I couldn't get to...<BR><BR>-Mike<BR><BR>
<DIV><SPAN class=3Dgmail_quote>On 9/28/07, <B =
class=3Dgmail_sendername><A=20
href=3D"mailto:CARL.P.HIRSCH@sargentlundy.com">CARL.P.HIRSCH@sargentlundy=
.com</A></B>=20
<<A=20
href=3D"mailto:CARL.P.HIRSCH@sargentlundy.com">CARL.P.HIRSCH@sargentlundy=
.com</A>>=20
wrote:</SPAN>
<BLOCKQUOTE class=3Dgmail_quote=20
style=3D"PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: =
rgb(204,204,204) 1px solid"><BR><FONT=20
face=3Dsans-serif size=3D2>We're seeing very poor performance on =
Cogent in Chicago=20
to major sites such as CNN and Salon. Traceroutes indicate packets =
dropping=20
inside Cogent's network and at their handoff to at <A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)" =
href=3D"http://atdn.net"=20
target=3D_blank>atdn.net</A>. Opened a ticket with Cogent around 10am =
Central,=20
haven't heard from anybody since.</FONT> <BR><BR><FONT =
face=3Dsans-serif=20
size=3D2>Not necessarily related to your problem, but maybe another =
data point.=20
</FONT><BR><BR><FONT face=3Dsans-serif size=3D2>Carl Hirsch</FONT>=20
<BR><BR><BR><BR>
<TABLE width=3D"100%">
<TBODY>
<TR vAlign=3Dtop>
<TD width=3D"40%"><FONT face=3Dsans-serif size=3D1><B>"Mike Lyon" =
<<A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)"=20
href=3D"mailto:mike.lyon@gmail.com"=20
target=3D_blank>mike.lyon@gmail.com</A>></B> </FONT><BR><FONT =
face=3Dsans-serif size=3D1>Sent by: <A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)"=20
href=3D"mailto:owner-nanog@merit.edu"=20
target=3D_blank>owner-nanog@merit.edu</A></FONT>=20
<P><FONT face=3Dsans-serif size=3D1>09/28/2007 01:39 PM</FONT> =
</P></TD>
<TD width=3D"59%">
<TABLE width=3D"100%">
<TBODY>
<TR vAlign=3Dtop>
<TD>
<DIV align=3Dright><FONT face=3Dsans-serif =
size=3D1>To</FONT></DIV></TD>
<TD><FONT face=3Dsans-serif size=3D1>NANOG <<A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)"=20
href=3D"mailto:nanog@merit.edu"=20
target=3D_blank>nanog@merit.edu</A>></FONT> </TD></TR>
<TR vAlign=3Dtop>
<TD>
<DIV align=3Dright><FONT face=3Dsans-serif =
size=3D1>cc</FONT></DIV></TD>
<TD><BR></TD></TR>
<TR vAlign=3Dtop>
<TD>
<DIV align=3Dright><FONT face=3Dsans-serif=20
size=3D1>Subject</FONT></DIV></TD>
<TD><FONT face=3Dsans-serif size=3D1>Cogent issues in SF=20
area?</FONT></TD></TR></TBODY></TABLE><BR>
<TABLE>
<TBODY>
<TR vAlign=3Dtop>
<TD><BR></TD>
=
<TD><BR></TD></TR></TBODY></TABLE><BR></TD></TR></TBODY></TABLE>
<DIV><SPAN class=3De id=3Dq_1154da187e552e25_1><BR><BR><BR><FONT=20
size=3D2><TT><BR>Anyone else seeing =
it?<BR><BR>BGP_Level3>traceroute <A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)"=20
href=3D"http://208.70.27.35" =
target=3D_blank>208.70.27.35</A><BR><BR>Type escape=20
sequence to abort.<BR>Tracing the route to <A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)"=20
href=3D"http://208.70.27.35" =
target=3D_blank>208.70.27.35</A><BR><BR> 1 <A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)"=20
href=3D"http://4.79.220.77" target=3D_blank>4.79.220.77</A> 0 msec 4 =
msec 0=20
msec<BR> 2 <A onclick=3D"return =
top.js.OpenExtLink(window,event,this)"=20
href=3D"http://4.68.123.30" target=3D_blank>4.68.123.30</A> [AS 3356] =
8 msec 0=20
msec 4 msec<BR> 3 <A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)" =
href=3D"http://4.68.18.5"=20
target=3D_blank>4.68.18.5</A> [AS 3356] 0 msec 4 msec 0 =
msec<BR> 4 <A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)"=20
href=3D"http://4.68.110.138" target=3D_blank>4.68.110.138</A> [AS =
3356] 4 msec 0=20
msec 4 msec<BR> 5 <A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)"=20
href=3D"http://154.54.6.81" target=3D_blank>154.54.6.81</A> [AS 174] 4 =
msec *=20
0 msec<BR> 6 <A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)"=20
href=3D"http://154.54.6.133" target=3D_blank>154.54.6.133</A> [AS 174] =
4 msec 4=20
msec 4 msec<BR> 7 <A=20
onclick=3D"return top.js.OpenExtLink(window,event,this)"=20
href=3D"http://154.54.24.38" target=3D_blank>154.54.24.38</A> [AS 174] =
4 msec 4=20
msec 4 msec<BR> 8 * * *<BR> 9 * =
*=20
=
*<BR><BR>Bah!<BR><BR>-Mike<BR></TT></FONT><BR></SPAN></DIV></BLOCKQ=
UOTE></DIV><BR></BODY></HTML>
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