ndt-users - System fault on Server <-- Client link detection
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- From: Nathaniel Gephart <>
- To:
- Subject: System fault on Server <-- Client link detection
- Date: Fri, 15 Jan 2010 10:23:26 -0500
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Hi all,
I updated to 3.5.14 from 3.5.6 (I was having the "Invalid S2C
throughput received" error that was addressed by this update). Now,
however, the Java applet seems to hang at the link detection phase. It
says "Receiving results..." at the top and reports the slowest link.
Here's what I see on the client side (IPs and hostnames removed).
TCP/Web100 Network Diagnostic Tool v3.5.14
click START to begin
** Starting test 1 of 1 **
Connecting to '<blocked>' [<blocked>] to run test
Connected to: <blocked> -- Using IPv4 address
Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
checking for firewalls . . . . . . . . . . . . . . . . . . . Done
running 10s outbound test (client-to-server [C2S]) . . . . . 94.04Mb/s
running 10s inbound test (server-to-client [S2C]) . . . . . . 93.73Mb/s
The slowest link in the end-to-end path is a a 622 Mbps OC-12 subnet
On the server side, I've been running the web100srv process at the
terminal with full debugging (-ddd) turned on. I've been using a
command line client for comparison because the problem doesn't seem to
occur with those tests. Everything looks fine in the web app test
except the four lines related to link detection:
Client --> Server data detects link = OC-12
Client <-- Server Ack's detect link = Dial-up
Server --> Client data detects link = OC-12
Server <-- Client Ack's detect link = System Fault
My hunch is there's something wrong with the Java app that's fine in
the command line app. I'm using the latest versions of everything. Any
idea what the issue might be?
Thanks,
Nate Gephart
- System fault on Server <-- Client link detection, Nathaniel Gephart, 01/15/2010
- Re: System fault on Server <-- Client link detection, Richard Carlson, 01/15/2010
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