Имеем FreeBSD 5.4-RELEASE
раскладка по стетевым интерфейсам:
fxp0: flags=18843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,POLLING> mtu 1500
options=48<VLAN_MTU,POLLING>
inet 10.8.52.1 netmask 0xffffe000 broadcast 10.8.63.255
inet 195.x.x.x netmask 0xfffffffc broadcast 195.x.x.x
inet 10.8.55.1 netmask 0xffffffff broadcast 10.8.55.1
ether 00:a9:40:1a:6b:e9
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
fxp1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
options=48<VLAN_MTU,POLLING>
ether 00:a9:40:1a:6b:f8
media: Ethernet autoselect (none)
status: no carrier
rl0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
options=48<VLAN_MTU,POLLING>
ether 00:50:22:80:87:5e
media: Ethernet autoselect (10baseT/UTP)
status: no carrier
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
vlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 195.y.y.y netmask 0xffffffe0 broadcast 195.y.y.y
ether 00:a9:40:1a:6b:e9
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 306 parent interface: fxp0
vlan1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 195.222.z.z netmask 0xfffffffc broadcast 195.z.z.z
ether 00:a9:40:1a:6b:e9
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 400 parent interface: fxp0
vlan2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 10.8.0.1 netmask 0xffffe000 broadcast 10.8.31.255
ether 00:a9:40:1a:6b:e9
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 613 parent interface: fxp0
vlan3: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 10.3.81.7 netmask 0xffff0000 broadcast 10.3.255.255
ether 00:a9:40:1a:6b:e9
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 612 parent interface: fxp0
vlan4: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 10.8.100.1 netmask 0xffffe000 broadcast 10.8.127.255
ether 00:a9:40:1a:6b:e9
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 614 parent interface: fxp0
vlan5: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 10.9.0.1 netmask 0xffff0000 broadcast 10.9.255.255
ether 00:a9:40:1a:6b:e9
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 650 parent interface: fxp0
vlan6: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 10.10.131.2 netmask 0xffff0000 broadcast 10.10.255.255
ether 00:a9:40:1a:6b:e9
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 615 parent interface: fxp0
vlan7: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 10.60.0.1 netmask 0xfffff000 broadcast 10.60.15.255
ether 00:a9:40:1a:6b:e9
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 616 parent interface: fxp0
vlan8: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 10.11.0.1 netmask 0xfffff000 broadcast 10.11.15.255
ether 00:a9:40:1a:6b:e9
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 617 parent interface: fxp0
sysctl.conf
net.inet.tcp.blackhole=2
net.inet.udp.blackhole=1
net.inet.tcp.rfc1323=0
net.inet.tcp.delayed_ack=0
net.inet.tcp.sendspace=65535
net.inet.tcp.recvspace=65535
net.inet.udp.recvspace=65535
net.local.stream.recvspace=65535
net.local.stream.sendspace=65535
net.inet.ip.check_interface=1
kern.polling.enable=1
kern.ipc.somaxconn=1024
net.inet.tcp.delayed_ack=0
net.link.ether.inet.max_age=1200
net.inet.tcp.msl=7500
net.inet.icmp.icmplim=50
net.inet.icmp.bmcastecho=0
net.inet.ip.forwarding=1
# cat loader.conf
autoboot_delay="5"
kern.hz="1000"
kern.ipc.nmbclusters=131072
Вообщем идет очень быстрое наполнение mbuf
netstat -m
17392 mbufs in use
17389/131072 mbuf clusters in use (current/max)
0/2/4560 sfbufs in use (current/peak/max)
39126 KBytes allocated to network
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
10 calls to protocol drain routines
17389 -- это на момент поста
иногда конечно успевает освобождать.. но аще всего добивает свои 131072
.. машина становиться недоступной.. незнаю уже куда копать