>netstat -m
>2/288/10048 mbufs in use (current/peak/max):
> 2 mbufs allocated to
>data
>0/16/2512 mbuf clusters in use (current/peak/max)
>104 Kbytes allocated to network (1% of mb_map in use)
>0 requests for memory denied
>0 requests for memory delayed
>0 calls to protocol drain routines
вариантов мб много:
- routing
- PPP
- проблема в драйвере карты
...
http://groups.google.com/groups?as_epq=ping: sendto: No buffer space available&ie=windows-1251&as_ugroup=*freebsd*&as_drrb=b&as_mind=12&as_minm=5&as_miny=2001&as_maxd=6&as_maxm=2&as_maxy=2004&lr=&hl=ru
почитай