Public bug reported:
Binary package hint: network-manager-pptp
1) Ubuntu 8.04
2) Packages:
ii network-manager 0.6.6-0ubuntu5
network management framework daemon
ii network-manager-gnome 0.6.6-0ubuntu3
network management framework (GNOME frontend)
ii network-manager-pptp 0.6.5+svnhead2574-0ubuntu1
network management framework (PPTP plugin)
3) I expected ssh, http etc. will work properly through VPN.
4) With network-manager-pptp I can correctly connect to a VPN (like I did in
7.10), ssh to some server for example or do intitial http requests through
browser. After initial succesful login and issuing some commands that require
more output (like find /), ssh connection is terminated (freezes). Similary
after initial http request on a server main page appears, but clicking on some
internal links does not work - again connection is terminated. It seems like
all connections get dropped after being more active. If I just leave connection
open or issue commands that dont' generate much data (like just ls) connection
stays healthy.
It is not VPN server problem (checked with other computers) nor a ssh or http
problem (also checked).
I am using default options which pptp plugin offers (worked in 7.10). I
am attaching gconf file for this VPN connection.
Here is tcpdump of a sample connection (some data -> freeze -> just VPN
packets)
find command (data going through):
00:47:50.312224 IP 10.0.0.102 > xxx.xxx.xxx.xxx: GREv1, call 256, seq 89, ack
73, length 85: compressed PPP data
00:47:50.323237 IP xxx.xxx.xxx.xxx > 10.0.0.102: GREv1, call 0, seq 74, length
133: compressed PPP data
00:47:50.323394 IP 10.0.0.102 > xxx.xxx.xxx.xxx: GREv1, call 256, seq 90, ack
74, length 85: compressed PPP data
00:47:50.330932 IP xxx.xxx.xxx.xxx > 10.0.0.102: GREv1, call 0, seq 75, ack 81,
length 121: compressed PPP data
00:47:50.331079 IP 10.0.0.102 > xxx.xxx.xxx.xxx: GREv1, call 256, seq 91, ack
75, length 85: compressed PPP data
00:47:50.661937 IP 10.0.0.102 > xxx.xxx.xxx.xxx: GREv1, call 256, seq 92,
length 129: compressed PPP data
00:47:50.716684 IP xxx.xxx.xxx.xxx > 10.0.0.102: GREv1, call 0, seq 76, ack 92,
length 73: compressed PPP data
00:47:51.216967 IP 10.0.0.102 > xxx.xxx.xxx.xxx: GREv1, call 256, ack 76,
no-payload, length 12
ssh freezess
00:47:53.509026 IP 10.0.0.102 > xxx.xxx.xxx.xxx: GREv1, call 256, seq 93,
length 22: LCP, Echo-Request (0x09), id 5, length 10
00:47:53.525723 IP xxx.xxx.xxx.xxx > 10.0.0.102: GREv1, call 0, seq 77, ack 93,
length 26: LCP, Echo-Reply (0x0a), id 5, length 10
ssh freezess
the rest is just vpn connection data with no payload...
00:48:03.512025 IP 10.0.0.102 > xxx.xxx.xxx.xxx: GREv1, call 256, seq 95,
length 22: LCP, Echo-Request (0x09), id 6, length 10
00:48:03.527762 IP xxx.xxx.xxx.xxx > 10.0.0.102: GREv1, call 0, seq 78, ack 95,
length 26: LCP, Echo-Reply (0x0a), id 6, length 10
00:48:04.027847 IP 10.0.0.102 > xxx.xxx.xxx.xxx: GREv1, call 256, ack 78,
no-payload, length 12
00:48:04.847703 IP 10.0.0.102 > xxx.xxx.xxx.xxx: GREv1, call 256, seq 96,
length 129: compressed PPP data
My hardware.
02:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
0c:00.0 Network controller: Broadcom Corporation BCM94311MCG wlan mini-PCI (rev
01)
b43 144420 0
rfkill 8592 2 rfkill_input,b43
mac80211 165652 1 b43
led_class 6020 1 b43
input_polldev 5896 1 b43
ssb 34308 2 b43,b44
b44 28432 0
mii 6400 1 b44
Let me know if you need anything else.
** Affects: network-manager-pptp (Ubuntu)
Importance: Undecided
Status: New
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network-manager-pptp drops connection after some usage
https://bugs.launchpad.net/bugs/240538
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