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Re: byte order problem


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  • From: Richard Carlson <>
  • To: Matt Crawford <>,
  • Subject: Re: byte order problem
  • Date: Thu, 20 Apr 2006 10:22:40 -0400

Hi Matt;

Thanks for the feedback. Yes, the IP address printing is a kluge. It writes the octets out manually when it should use a standard function call. I'm looking at a v6 port, and that will fix this problem too.

Glad to hear that you can build this by hand on the Mac. I'll update the docs to explain this too.

Rich
At 11:22 AM 4/14/2006, Matt Crawford wrote:
I built web100clt on a PPC/MacOSX system. The configure script did
not figure out the link command properly:

(./configure ; cd src; make web100clt )
[...]
gcc -g -O2 -L/usr/local/lib -Wl,-rpath,/usr/local/lib -o web100clt
web100clt.o
/usr/bin/ld: unknown flag: -rpath
collect2: ld returned 1 exit status
make: *** [web100clt] Error 1

But dropping the offending argument works.

src> 583# gcc -g -O2 -L/usr/local/lib -o web100clt web100clt.o

Exposing a byte order problem:

src> 584# ./web100clt shasta
Testing network path for configuration and performance problems
Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
running 10s outbound test (client to server) . . . . . 577.58 Mb/s
running 10s inbound test (server to client) . . . . . . 286.26 Mb/s
The slowest link in the end-to-end path is a 1.0 Gbps Gigabit
Ethernet subnet
Packet size is preserved End-to-End
Information: Network Address Translation (NAT) box is modifying the
Server's IP address
Server says [131.225.110.4] but Client says [ 4.110.225.131]
Information: Network Address Translation (NAT) box is modifying the
Client's IP address
Server says [131.225.82.206] but Client says [ 206.82.225.131]

------------------------------------



Richard A. Carlson e-mail:

Network Engineer phone: (734) 352-7043
Internet2 fax: (734) 913-4255
1000 Oakbrook Dr; Suite 300
Ann Arbor, MI 48104

  • byte order problem, Matt Crawford, 04/14/2006
    • Re: byte order problem, Richard Carlson, 04/20/2006

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