Date: Tue, 21 Mar 2000 17:54:25 -0500 From: "William Wong" <willwong@anime.ca> To: <freebsd-questions@FreeBSD.ORG> Subject: Stalled FTP/SAMBA Connections Message-ID: <009801bf9388$67ad28e0$0300a8c0@anime.ca>
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Hi,
I have a small internal subnet using 192.168.0.X where .1 is the main
fileserver.
The problem occurs when transfering files >100MB from the .1 machine to any
other.
I typically FTP the files out, and I've even tried using samba to get the
files onto the other machines.
What happens is this: The filetransfer would go nicely, and usually about
30MB into the transfer, the connection would hang. If I try to ping from
the .1 box, to the box which the connection had hung, (eg. my .2 or .3
boxes), the ping packets don't get through either.
If I do a netstat, I see this:
tcp 0 17472 epoch.49170 janus.1037 ESTABLISHED
The send queue seems to be full. Now if I wait a while, the stalled
FTP/SAMBA transfers sometimes resumes and continues, but most of the time,
the FTP/SAMBA transfers time out and I have to stop the tranfer and try
again.
Both boxes aren't loaded so I don't think it's that.
Here's the output of my ifconfig for reference.
ed2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1492
inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255
ether 00:4f:49:05:78:b7
(Note: I'm also using an MTU of 1492 on the connecting boxes due to PPPoE
mtu requirements)
If anyone has any suggestions on how I can diagnose or even better solve
this problem please respond :)
Thanks,
- Will
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