On 5/4/06, Hisham Mardam Bey <[EMAIL PROTECTED]> wrote:

Does anyone know why I am having those sudden drops in connections?


I have an update on the situation. Here's what I did:

[client]-->[loadbal]-->[my 2 backends]->[samba server]

I mounted a samba share from the samba server onto the client machine,
and I tried to use mplayer to play the file. The file starts up, plays
a few frames, then it starts to break up. I had logging set to "misc"
using pfctl, and this is what I noticed:

May  4 21:24:12 openbsd-be1 /bsd: pf_map_addr: selected address 172.16.2.1
May  4 21:25:00 openbsd-be1 /bsd: pf_map_addr: selected address 172.16.2.2

May  4 21:25:00 openbsd-be1 /bsd: pf: loose state match: TCP
192.168.0.223:139 192.168.0.223:139 172.16.2.4:53533 [lo=3175794114
high=3175794116 win=65535 modulator=0] [lo=0 high=65535 win=1
modulator=0] 2:0 PA seq=3175794115 ack=0 len=72 ackskew=0 pkts=2:0

May  4 21:25:00 openbsd-be1 /bsd: pf: loose state match: TCP
192.168.0.223:139 192.168.0.223:139 172.16.2.4:53533 [lo=3175794187
high=3175794116 win=65535 modulator=0] [lo=0 high=65535 win=1
modulator=0] 2:0 PA seq=3175794187 ack=0 len=168 ackskew=0 pkts=3:0

May  4 21:25:00 openbsd-be1 /bsd: pf: loose state match: TCP
192.168.0.223:139 192.168.0.223:139 172.16.2.4:53533 [lo=3175794355
high=3175794116 win=65535 modulator=0] [lo=0 high=65535 win=1
modulator=0] 2:0 PA seq=3175794355 ack=0 len=144 ackskew=0 pkts=4:0

..
..

May  4 21:25:21 openbsd-be1 /bsd: pf_map_addr: selected address 172.16.2.1
May  4 21:25:59 openbsd-be1 /bsd: pf_map_addr: selected address 172.16.2.2

May  4 21:25:59 openbsd-be1 /bsd: pf: loose state match: TCP
192.168.0.223:139 192.168.0.223:139 172.16.2.4:51976 [lo=3591429406
high=3591429408 win=65535 modulator=0] [lo=0 high=65535 win=1
modulator=0] 2:0 PA seq=3591429407 ack=0 len=72 ackskew=0 pkts=2:0

May  4 21:25:59 openbsd-be1 /bsd: pf: loose state match: TCP
192.168.0.223:139 192.168.0.223:139 172.16.2.4:51976 [lo=3591429479
high=3591429408 win=65535 modulator=0] [lo=0 high=65535 win=1
modulator=0] 2:0 PA seq=3591429479 ack=0 len=168 ackskew=0 pkts=3:0

..
..

May  4 21:27:47 openbsd-be1 /bsd: pf: loose state match: TCP
192.168.0.223:139 192.168.0.223:139 172.16.2.4:64164 [lo=2612578234
high=2612511261 win=65535 modulator=0] [lo=0 high=65535 win=1
modulator=0] 2:0 A seq=2612578234 ack=0 len=0 ackskew=0 pkts=1964:0

May  4 21:27:47 openbsd-be1 /bsd: pf: BAD state: TCP 192.168.0.223:139
192.168.0.223:139 172.16.2.4:64164 [lo=2612578234 high=2612511261
win=65535 modulator=0] [lo=0 high=65535 win=1 modulator=0] 2:0 PA
seq=2612578234 ack=0 len=63 ackskew=0 pkts=1965:0 dir=in,fwd

May  4 21:27:47 openbsd-be1 /bsd: pf: State failure on: 1       | 5

May  4 21:27:48 openbsd-be1 /bsd: pf: BAD state: TCP 192.168.0.223:139
192.168.0.223:139 172.16.2.4:64164 [lo=2612578234 high=2612511261
win=65535 modulator=0] [lo=0 high=65535 win=1 modulator=0] 2:0 PA
seq=2612578234 ack=0 len=63 ackskew=0 pkts=1965:0 dir=in,fwd

May  4 21:27:48 openbsd-be1 /bsd: pf: State failure on: 1       | 5

..
..

May  4 21:27:58 openbsd-be1 /bsd: pf: loose state match: TCP
192.168.0.223:139 192.168.0.223:139 172.16.2.4:64164 [lo=2612578234
high=2612511261 win=65535 modulator=0] [lo=0 high=65535 win=1
modulator=0] 2:0 RA seq=2612578234 ack=0 len=0 ackskew=0 pkts=1965:0

May  4 21:28:04 openbsd-be1 /bsd: pf_map_addr: selected address 172.16.2.2

May  4 21:28:04 openbsd-be1 /bsd: pf: loose state match: TCP
192.168.0.223:139 192.168.0.223:139 172.16.2.4:57934 [lo=2945241422
high=2945241424 win=65535 modulator=0] [lo=0 high=65535 win=1
modulator=0] 2:0 PA seq=2945241423 ack=0 len=72 ackskew=0 pkts=2:0

..
..

The first couple of selects were happening when I was listing
directories over the smb share. Then some packets came in correctly
when playing the movie. When I started getting breakups in the movie,
I noticed the errors. Then by the time it had reslected an address
from the map, mplayer quit.

I hope this sheds some more light on the situation.

Regards,
hisham.

--
Hisham Mardam Bey
MSc (Computer Science)
http://hisham.cc/
+9613609386
Codito Ergo Sum (I Code Therefore I Am)

Reply via email to