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Subject1.3.88 ftp problems - it hangs
Ftp transfers between linux-1.3.88 machines with a large-ish MTU (3584)
do not work. The transfer hangs. Eventually I have to suspend and
kill the ftp process on the sender side. The tcpdump logs
are attached in a uuencoded, gzipped tarfile
In that directory "ftp_send" "ftp_recv" are the tcpdumps. The ".config" for
each machine is send.config and recv.config.

freja 413% ls -l
total 27
-rw-rw-r-- 1 feldy 2481 Apr 13 21:47 README
-rw-rw-r-- 1 feldy 7217 Apr 13 21:37 ftp_recv
-rw-rw-r-- 1 feldy 7250 Apr 13 21:43 ftp_send
-rw-r--r-- 1 feldy 3386 Apr 13 16:53 recv.config
-rw-r--r-- 1 feldy 3386 Apr 13 16:53 send.config


ftp sender
Linux pandora 1.3.88 #2 Sat Apr 13 17:16:03 PDT 1996 i586

pandora 13% /sbin/ifconfig myri0
myri0 Link encap:10Mbps Ethernet HWaddr 00:60:DD:80:00:58
inet addr:199.201.130.20 Bcast:199.201.130.255 Mask:255.255.255.0
UP BROADCAST NOTRAILERS RUNNING PROMISC MULTICAST MTU:3584 Metric:1
RX packets:180 errors:0 dropped:0 overruns:0
TX packets:241 errors:0 dropped:0 overruns:0
Interrupt:10 Base address:0x0




ftp receiver
Linux triton 1.3.88 #2 Sat Apr 13 17:16:03 PDT 1996 i586

triton 18% /sbin/ifconfig myri0
myri0 Link encap:10Mbps Ethernet HWaddr 00:60:DD:80:00:52
inet addr:199.201.130.30 Bcast:199.201.130.255 Mask:255.255.255.0
UP BROADCAST NOTRAILERS RUNNING PROMISC MULTICAST MTU:3584 Metric:1
RX packets:233 errors:0 dropped:0 overruns:0
TX packets:180 errors:0 dropped:0 overruns:0
Interrupt:9 Base address:0x0



Here's the script of the ftp session.

pandora 40% ftp triton-t
Connected to triton-t.myri.com.
220 triton FTP server (Version wu-2.4(1) Tue Aug 8 15:50:43 CDT 1995) ready.
Name (triton-t:root): feldy
331 Password required for feldy.
Password:
530 Login incorrect.
Login failed.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> cd /tmp
530 Please login with USER and PASS.
ftp> lcd /bin
Local directory now /bin
ftp> user feldy
331 Password required for feldy.
Password:
230 User feldy logged in.
ftp> cd /tmp
250 CWD command successful.
ftp> lcd /bin
Local directory now /bin
ftp> prompt
Interactive mode off.
ftp> binary
200 Type set to I.
ftp> mput *
local: ./Mail remote: ./Mail
200 PORT command successful.
150 Opening BINARY mode data connection for ./Mail.


Suspended
pandora 41% kill %1

[1] Terminated ftp triton-t
pandora 42%
pandora 42% ping triton-t
PING triton-t.myri.com (199.201.130.30): 56 data bytes
64 bytes from 199.201.130.30: icmp_seq=0 ttl=64 time=2.1 ms
64 bytes from 199.201.130.30: icmp_seq=1 ttl=64 time=4.0 ms

--- triton-t.myri.com ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 2.1/3.0/4.0 ms

begin 666 ftp-1.3.88.tar.gz
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end


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