Tengo un servidor con SLOX 4.1 (Basado en SuSE enterprise SErver 8), el kernel es 2.4.21-292-default Es un P III 800 De memoria tiene asi: total used free shared buffers cached Mem: 253784 249076 4708 0 44600 81376 -/+ buffers/cache: 123100 130684 Swap: 955780 120832 834948 En carga reporta asi 15:05:59 up 10 days, 4:52, 1 user, load average: 0.10, 0.15, 0.17 USER TTY LOGIN@ IDLE JCPU PCPU WHAT hgonzale pts/0 Wed17 1.00s 5.58s 1.95s -bash Tiene tres tarjetas de red, con la siguiente configuracion de ips (oculto la publica por razones de seguridad) eth0 Link encap:Ethernet HWaddr 00:07:95:20:37:3E inet addr:192.168.0.1 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::207:95ff:fe20:373e/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:20592542 errors:0 dropped:0 overruns:0 frame:0 TX packets:19828010 errors:0 dropped:2 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:2756339239 (2628.6 Mb) TX bytes:4186627119 (3992.6 Mb) Interrupt:10 Base address:0xde00 eth0:1 Link encap:Ethernet HWaddr 00:07:95:20:37:3E inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:10 Base address:0xde00 eth0:2 Link encap:Ethernet HWaddr 00:07:95:20:37:3E inet addr:192.168.7.1 Bcast:192.168.7.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:10 Base address:0xde00 eth0:3 Link encap:Ethernet HWaddr 00:07:95:20:37:3E inet addr:192.168.10.1 Bcast:192.168.10.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:10 Base address:0xde00 eth1 Link encap:Ethernet HWaddr 52:54:05:FD:01:89 inet addr:xxx.xxx.xxx.xxx Bcast:xxx.xxx.xxx.xxx Mask:255.255.248.0 inet6 addr: fe80::5054:5ff:fefd:189/64 Scope:Link UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1 RX packets:18472599 errors:0 dropped:0 overruns:0 frame:0 TX packets:18930386 errors:0 dropped:0 overruns:0 carrier:0 collisions:24161 txqueuelen:100 RX bytes:3040321026 (2899.4 Mb) TX bytes:1883411745 (1796.1 Mb) Interrupt:11 Base address:0xdd80 eth2 Link encap:Ethernet HWaddr 52:54:05:FC:F9:BC inet addr:192.168.2.1 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::5054:5ff:fefc:f9bc/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:2342094 errors:0 dropped:0 overruns:0 frame:15991 TX packets:1015488 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:219572884 (209.4 Mb) TX bytes:695265776 (663.0 Mb) Interrupt:9 Base address:0xdd00 eth2:1 Link encap:Ethernet HWaddr 52:54:05:FC:F9:BC inet addr:192.168.3.1 Bcast:192.168.3.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:9 Base address:0xdd00 eth2:2 Link encap:Ethernet HWaddr 52:54:05:FC:F9:BC inet addr:192.168.4.1 Bcast:192.168.4.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:9 Base address:0xdd00 eth2:3 Link encap:Ethernet HWaddr 52:54:05:FC:F9:BC inet addr:192.168.5.1 Bcast:192.168.5.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:9 Base address:0xdd00 eth2:4 Link encap:Ethernet HWaddr 52:54:05:FC:F9:BC inet addr:192.168.6.1 Bcast:192.168.6.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:9 Base address:0xdd00 eth2:5 Link encap:Ethernet HWaddr 52:54:05:FC:F9:BC inet addr:192.168.8.1 Bcast:192.168.8.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:9 Base address:0xdd00 eth2:6 Link encap:Ethernet HWaddr 52:54:05:FC:F9:BC inet addr:192.168.9.1 Bcast:192.168.9.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:9 Base address:0xdd00 eth2:7 Link encap:Ethernet HWaddr 52:54:05:FC:F9:BC inet addr:192.168.11.1 Bcast:192.168.11.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:9 Base address:0xdd00 eth2:8 Link encap:Ethernet HWaddr 52:54:05:FC:F9:BC inet addr:192.168.12.1 Bcast:192.168.12.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:9 Base address:0xdd00 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:1324410 errors:0 dropped:0 overruns:0 frame:0 TX packets:1324410 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:98515345 (93.9 Mb) TX bytes:98515345 (93.9 Mb) Resulta que los clientes (estaciones si importar su OS), estan perdiendo conectividad Si les hago ping en el momento en que me reportan, me dice: No buffer Space available Si veo en los logs, obtengo por ejemplo: Jul 22 15:00:24 servidor named[8328]: client 192.168.0.2#2553: error sending response: not enough free resources Estuve leyendo por internet y alguo recomedaban modificar algunos valores del kernel, en tal sentido ejecuto lo siguiente, pero el problema se sigue presentando echo 83886080 > /proc/sys/net/core/wmem_max echo "4096 87380 4194304" > /proc/sys/net/ipv4/tcp_rmem echo "4096 65536 4194304" > /proc/sys/net/ipv4/tcp_wmem echo 2048 > /proc/sys/net/ipv4/neigh/default/gc_thresh3 echo 1024 > /proc/sys/net/ipv4/neigh/default/gc_thresh2 echo 256 > /proc/sys/net/ipv4/neigh/default/gc_thresh1 Que puede ser? -- ------------------------------------------------------ Una prensa libre es el gran enemigo de los dictadores. Independientemente de sus abusos, sus debilidades, sus errores. Una prensa libre es la gran aliada y defensora de la democracia. Charlos S. Shapiro Embajador de USA en la Rep. de Venezuela Martes, 20 de Mayo 2003