Date: Thu, 22 Feb 1996 16:29:26 -0800 From: David Greenman <davidg@Root.COM> To: freebsd-chat@freebsd.org Subject: response from CRL Message-ID: <199602230029.QAA01713@Root.COM>
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I just got the attached message. It doesn't seemed to have help much,
however...
[wcarchive:davidg] ttcp -p9 -n32 -t michnet2.msu.edu
ttcp-t: buflen=8192, nbuf=32, align=16384/+0, port=9 tcp -> michnet2.msu.edu
ttcp-t: socket
ttcp-t: connect
ttcp-t: 262144 bytes in 60.63 real seconds = 4.22 KB/sec +++
ttcp-t: 32 I/O calls, msec/call = 1940.28, calls/sec = 0.53
ttcp-t: 0.0user 0.0sys 1:00real 0% 16i+104d 46maxrss 0+2pf 283+1csw
-DG
David Greenman
Core-team/Principal Architect, The FreeBSD Project
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To: davidg@root.com
Reply-To: noc@crl.com
From: Crl Customer Support <support@crl.com>
Subject: Re: reports of poor performance from MCI->CRL (SupportID: TID-69308)
In-Reply-To: Your message of "Wed, 21 Feb 1996 15:17:03 PST."
<199602212317.PAA01659@Root.COM>
Date: Thu, 22 Feb 1996 09:10:08 -0800
We found out that some of our BGP peering sessions were not advertising the
correct routes back into CRL to MCI. This should be corrected by now.
David Greenman <davidg@root.com> recently wrote:
> We've gotten three of these in the past 1.5 days. It looks like congestion
>within MCI's network, but our customers didn't have the problem when wcarchive
>was at BBN (an MCI customer).
> The traceroute to these customers show that the route is asymetric,
>prefering MAE-east coming in and PB-nap going out. I don't know which of the
>paths is the lossy one, but MAE-east was involved in all of the complaints.
>
>-DG
>
>David Greenman
>Core-team/Principal Architect, The FreeBSD Project
>
>------- Forwarded Message
>
>>Date: Wed, 21 Feb 1996 14:34:16 -0500
>>From: Charles Henrich <henrich@crh.cl.msu.edu>
>>Message-Id: <199602211934.OAA01317@crh.cl.msu.edu>
>>To: jkh@time.cdrom.com, freebsd-chat@freebsd.org
>>Subject: Re: Woah! cdrom.com!
>>Newsgroups: lists.freebsd.chat
>>References: <4gf9v8$1mfi@msunews.cl.msu.edu>
>>X-Newsreader: NN version 6.5.0 #3 (NOV)
>>Resent-To: davidg@freebsd.org
>>Resent-Date: Wed, 21 Feb 1996 14:42:17 -0800
>>Resent-Message-ID: <9765.824942537@time.cdrom.com>
>>Resent-From: "Jordan K. Hubbard" <jkh@time.cdrom.com>
>
>In lists.freebsd.chat you write:
>
>>In any case, it actually *IS* at 100Mbits now. CRL evidently
>>purchased another type of 100Mbit card for their Cisco and now we're
>>frequently peaking over 10Mbits, albeit rarely.
>
>>It seems that 600 users eat up around 10Mbits and not much more, so
>>it's more a matter of "however fast you can go, we can go" now.. :-)
>
>There has to be a bottle neck somewhere. I have a T3 that is peaking out at
>8MBit/sec, and I have a full ethernet to that T3.
>
>And my retrieval performance is *dismal*
>
>Retrieving boot.flp (1.2MB) from cdrom.com is ETA at 45 MINUTES!
>
>Here is a traceroute back to cdrom.com.
>
> 1 michnet2.msu.edu (35.8.2.3) 4.458 ms 2.598 ms 5.284 ms
> 2 35.125.0.1 (35.125.0.1) 10.828 ms 4.955 ms 5.280 ms
> 3 cpe2-fddi-1.Chicago.mci.net (192.203.195.5) 5.538 ms 5.952 ms 8.002 ms
> 4 border1-hssi1-0.Chicago.mci.net (204.70.24.5) 19.377 ms 145.608 ms 75.28
>9
> 5 core-fddi-0.Chicago.mci.net (204.70.2.81) 15.953 ms 11.500 ms 12.831 ms
> 6 core1-hssi-2.NorthRoyalton.mci.net (204.70.1.94) 19.188 ms 21.190 ms
> 7 core1-hssi-3.WestOrange.mci.net (204.70.1.102) 30.435 ms 35.809 ms
> 8 core2-hssi-2.Washington.mci.net (204.70.1.106) 40.038 ms 46.752 ms
> 9 borderx1-fddi-1.Washington.mci.net (204.70.74.52) 37.878 ms 40.587 ms *
>10 mae-east-plusplus.Washington.mci.net (204.70.74.102) 236.610 ms 134.524
>11 mae-e-1.e0.crl.com (192.41.177.104) 50.809 ms 64.060 ms 77.006 ms
>12 T1E-CRL-SFO-09-S0/0.US.CRL.NET (165.113.30.101) 172.132 ms 185.432 ms
>13 F0-CRL-SFO-01-F0/0.US.CRL.NET (165.113.55.1) 144.838 ms 111.282 ms
>14 wcarchive.cdrom.com (165.113.58.253) 97.066 ms * *
>
>Waitaminute, is that an ethernet I see between MCI and CRL?
>
>- -Crh
>- --
>
> Charles Henrich Michigan State University henrich@crh.cl.msu.edu
>
> http://rs560.msu.edu/~henrich/
>
>------- End of Forwarded Message
>
CRL Customer Support support@crl.com One Kearny St. San Francisco, Ca 94108
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