[LUNA] [OT] quickie ....

[William A. Mahaffey III]

On 07/11/15 22:33, Bob Nance wrote:
> If you drop pings to the other side it might be a dud. A lot of inexpensive routers deliberately lower the importance of ping responses since they have so little horsepower. Do a ping -c 10000 and let it run to some well maintained public site and base your decision on the percentage. If you lose more than 2-3% it's probably your router.
>
> ---
>   Bob Nance
>   Novation Systems
>   256-534-4620
>   
> (iPhone-flavored)

More closely following your recommendation:


[wam at kabini1, ~, 11:11:30pm] 530 % lltr10 ; ps -Tlf ; date
-rw-------    1 wam  users       4788 Jul 11 05:01 LIST.cron
-rw-------    1 wam  users     667316 Jul 11 08:27 mbox
-rw-------    1 wam  users        267 Jul 11 10:01 README.installboot.txt
-rw-------    1 wam  users        111 Jul 11 22:57 LIST
drwx------   11 wam  users        512 Jul 11 23:06 .cache/
-rw-r-----    1 wam  users          6 Jul 11 23:13 .vboxclient-clipboard.pid
-rw-r-----    1 wam  users          6 Jul 11 23:13 .vboxclient-seamless.pid
-rw-r-----    1 wam  users          6 Jul 11 23:13 
.vboxclient-hostversion.pid
-rw-r-----    1 wam  users          6 Jul 11 23:13 .vboxclient-display.pid
-rw-r-----    1 wam  users          6 Jul 11 23:13 
.vboxclient-draganddrop.pid
  UID   PID  PPID CPU PRI NI   VSZ  RSS MWCHAN STAT TT     TIME COMMAND
1110  1292  1227   0  21  0 17576 4428 pause  Ss    4  0:00.54 tcsh
1110 76496     1   0  24  0 17576 2828 pause  I     4  0:00.01 /bin/csh 
-f /usr/local/bin/run ping -q -c 1000 216.180.54.1
1110 76499 76496   0  25  0  3836 1608 wait   I     4  0:00.00 
/usr/bin/time nice -19 ping -q -c 1000 216.180.54.1
1110 76500 76499   0  39 19 14240 1872 select SN    4  0:00.11 ping -q 
-c 1000 216.180.54.1
1110 77617  1292   0  21  0 16304 1936 -      R+    4  0:00.00 ps -Tlf
Sat Jul 11 23:13:20 MCDT 2015
[wam at kabini1, ~, 11:13:20pm] 531 % more LIST

Beginning background ping -q -c 1000 216.180.54.1
Initiated at 10:57:00 PM MCDT on Saturday, July 11, 2015

[wam at kabini1, ~, 11:13:34pm] 532 % lltr10 ; ps -Tlf ; date
-rw-------    1 wam  users       4788 Jul 11 05:01 LIST.cron
-rw-------    1 wam  users     667316 Jul 11 08:27 mbox
-rw-------    1 wam  users        267 Jul 11 10:01 README.installboot.txt
drwx------   11 wam  users        512 Jul 11 23:06 .cache/
-rw-------    1 wam  users        437 Jul 11 23:13 LIST
-rw-r-----    1 wam  users          6 Jul 11 23:14 .vboxclient-clipboard.pid
-rw-r-----    1 wam  users          6 Jul 11 23:14 .vboxclient-seamless.pid
-rw-r-----    1 wam  users          6 Jul 11 23:14 
.vboxclient-hostversion.pid
-rw-r-----    1 wam  users          6 Jul 11 23:14 .vboxclient-display.pid
-rw-r-----    1 wam  users          6 Jul 11 23:14 
.vboxclient-draganddrop.pid
  UID   PID PPID CPU PRI NI   VSZ  RSS MWCHAN STAT TT     TIME COMMAND
1110  1292 1227   0  21  0 17576 4428 pause  Ss    4  0:00.55 tcsh
1110 77668 1292   0  21  0 16304 1936 -      R+    4  0:00.00 ps -Tlf
Sat Jul 11 23:14:04 MCDT 2015
[wam at kabini1, ~, 11:14:04pm] 533 % more LIST

Beginning background ping -q -c 1000 216.180.54.1
Initiated at 10:57:00 PM MCDT on Saturday, July 11, 2015

PING 216.180.54.1 (216.180.54.1): 56 data bytes

--- 216.180.54.1 ping statistics ---
1000 packets transmitted, 507 packets received, 49.3% packet loss
round-trip min/avg/max/stddev = 52.453/56.968/75.700/4.252 ms
      1002.10 real         0.01 user         0.10 sys

Completed at 11:13:42 PM MCDT on Saturday, July 11, 2015
[wam at kabini1, ~, 11:14:09pm] 534 %


i.e. 49.3 % lost .... sounds like a dud to me ....

-- 

	William A. Mahaffey III

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

	"The M1 Garand is without doubt the finest implement of war
	 ever devised by man."
                            -- Gen. George S. Patton Jr.