questions about fast ping

Kan Cai kcai at cs.ubc.ca
Thu Apr 10 13:29:03 PDT 2003


Hi,

  The fast ping I am testing can only send 200 packets per second or so.
It is too less for a 11Mbps orinoco golden card. Could someone tell me
what's the reason?

  from netstat info, 2*20,000*8 = 320,000 bit/sec.

Thanks a lot,
ken

uname -a
-----------
FreeBSD 4.7-RELEASE #0: Mon Apr  7 12:46:25 GMT 2003
root at xxx.cs.ubc.ca:/usr/src/sys/compile/NEWKERNEL


ping -f 10.10.10.10
--------------------


netstat -w 1 -d -I wi0
-----------------------
            input          (wi0)           output
   packets  errs      bytes    packets  errs      bytes colls drops
       195     0      19110        227     0      22246     0     0
       194     0      19012        226     0      22148     0     0
       196     0      19208        228     0      22344     0     0
       194     0      19012        226     0      22148     0     0
       195     0      19110        226     0      22246     0     0
       195     0      19110        228     0      22246     0     0
       196     0      19208        227     0      22246     0     0
       193     0      18914        225     0      22050     1     0
       194     0      19012        227     0      22246     0     0
       195     0      19110        226     0      22246     0     0
       193     0      18914        226     0      22050     0     0
       196     0      19208        228     0      22344     0     0
       195     0      19110        226     0      22148     0     0
       195     0      19110        228     0      22344     0     0
       194     0      19012        226     0      22148     0     0
       195     0      19110        227     0      22246     0     0
       194     0      19012        226     0      22148     0     0
       196     0      19208        227     0      22246     0     0
       195     0      19110        228     0      22344     0     0
       195     0      19110        226     0      22148     0     0
       194     0      19012        227     0      22246     0     0
            input          (wi0)           output
   packets  errs      bytes    packets  errs      bytes colls drops
       194     0      19012        226     0      22148     0     0
       197     0      19306        229     0      22442     0     0
       195     0      19110        227     0      22246     0     0
       195     0      19110        226     0      22148     0     0
       194     0      19012        227     0      22246     0     0
       195     0      19110        227     0      22246     0     0
       194     0      19012        226     0      22148     0     0
       196     0      19208        228     0      22344     0     0
       194     0      19012        226     0      22148     0     0
       196     0      19208        229     0      22442     0     0
       199     0      19502        231     0      22736     0     0
       195     0      19110        227     0      22246     2     0
       194     0      19012        227     0      22148     0     0
       195     0      19110        227     0      22246     0     0
       195     0      19110        227     0      22246     0     0
       195     0      19110        227     0      22246     0     0
       195     0      19110        226     0      22246     0     0
       200     0      19600        232     0      22638     0     0
       200     0      19600        231     0      22736     0     0
       200     0      19600        232     0      22638     0     0
       200     0      19600        231     0      22736     0     0



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