Hi, im experiencing network loses in domus. At dom0 in vif interfaces
the there are tx dropped packets.

The problem ocurr randomly in the time.


Actually i configured monit to restart domus when network go down :S

Sorry for my english, spanish :P


Linux Debian Squeeze 2.6.32-5-xen-686 #1 SMP Sat Sep 18 06:00:14 UTC
2010 i686 GNU/Linux


Module Size Used by
ipt_MASQUERADE 1134 2
iptable_nat 3551 1
nf_nat 10568 2 ipt_MASQUERADE,iptable_nat
xt_tcpudp 1743 2
nf_conntrack_ipv4 7597 7 iptable_nat,nf_nat
nf_defrag_ipv4 779 1 nf_conntrack_ipv4
xt_state 927 4
nf_conntrack 38079 5
ipt_MASQUERADE,iptable_nat,nf_nat,nf_conntrack_ipv 4,xt_state
xt_physdev 1228 8
iptable_filter 1790 1
ip_tables 7690 2 iptable_nat,iptable_filter
x_tables 8327 6
ipt_MASQUERADE,iptable_nat,xt_tcpudp,xt_state,xt_p hysdev,ip_tables
tun 8804 2
bridge 32999 0
stp 996 1 bridge
xen_evtchn 3471 3
xenfs 7248 1
loop 9761 0
arc4 974 2
ecb 1405 2
nouveau 315420 0
ttm 33482 1 nouveau
ath5k 104082 0
snd_pcsp 5219 0
drm_kms_helper 18301 1 nouveau
snd_pcm 47402 1 snd_pcsp
drm 113422 3 nouveau,ttm,drm_kms_helper
mac80211 123578 1 ath5k
ath 6014 1 ath5k
snd_timer 12258 1 snd_pcm
i2c_algo_bit 3497 1 nouveau
snd 34363 3 snd_pcsp,snd_pcm,snd_timer
i2c_viapro 4431 0
cfg80211 87637 3 ath5k,mac80211,ath
soundcore 3450 1 snd
parport_pc 15871 0
i2c_core 12696 5
nouveau,drm_kms_helper,drm,i2c_algo_bit,i2c_viapro
evdev 5609 3
snd_page_alloc 5109 1 snd_pcm
parport 22554 1 parport_pc
rfkill 10260 1 cfg80211
shpchp 21264 0
led_class 1757 1 ath5k
processor 31041 0
pci_hotplug 18065 1 shpchp
button 3598 1 nouveau
acpi_processor 3623 1 processor,[permanent]
ext3 94196 1
jbd 32161 1 ext3
mbcache 3762 1 ext3
dm_mod 46086 12
raid1 16363 3
md_mod 67325 4 raid1
sd_mod 25865 8
crc_t10dif 1012 1 sd_mod
ata_generic 2019 0
uhci_hcd 16141 0
8139cp 13634 0
pata_via 5701 0
sata_via 5613 6
via_rhine 14951 0
ehci_hcd 28255 0
8139too 15121 0
libata 116021 3 ata_generic,pata_via,sata_via
usbcore 98725 3 uhci_hcd,ehci_hcd
scsi_mod 101397 2 sd_mod,libata
nls_base 4541 1 usbcore
mii 2714 3 8139cp,via_rhine,8139too
thermal 9206 0
thermal_sys 9378 2 processor,thermal



brctl show
bridge name bridge id STP enabled interfaces
eth1 8000.000b6a95c7bb no peth1
vif20.0
vif8.0



ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 00:40:f4:--:6a:-- brd ff:ff:ff:ff:ff:ff
3: peth1: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc
pfifo_fast state UNKNOWN qlen 1000
link/ether 00:0b:6a:--:c7:-- brd ff:ff:ff:ff:ff:ff
inet6 fe80::20b:6aff:fe95:c7bb/64 scope link
valid_lft forever preferred_lft forever
4: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 00:1c:f0:--:17:-- brd ff:ff:ff:ff:ff:ff
5: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN
link/ether 00:0b:6a:--:c7:-- brd ff:ff:ff:ff:ff:ff
inet 192.168.27.131/24 brd 192.168.27.255 scope global eth1
inet6 fe80::20b:6aff:fe95:c7bb/64 scope link
valid_lft forever preferred_lft forever
6: tun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc
pfifo_fast state UNKNOWN qlen 100
link/none
inet 10.1.1.1 peer 10.1.1.2/32 scope global tun0
14: vif8.0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc
pfifo_fast state UNKNOWN qlen 32
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
inet6 fe80::fcff:ffff:feff:ffff/64 scope link
valid_lft forever preferred_lft forever
26: vif20.0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc
pfifo_fast state UNKNOWN qlen 32
link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
inet6 fe80::fcff:ffff:feff:ffff/64 scope link
valid_lft forever preferred_lft forever


netstat -s
Ip:
110872 total packets received
0 forwarded
0 incoming packets discarded
107597 incoming packets delivered
75807 requests sent out
Icmp:
446 ICMP messages received
0 input ICMP message failed.
ICMP input histogram:
destination unreachable: 125
echo replies: 321
477 ICMP messages sent
0 ICMP messages failed
ICMP output histogram:
destination unreachable: 126
echo request: 351
IcmpMsg:
InType0: 321
InType3: 125
OutType3: 126
OutType8: 351
Tcp:
389 active connections openings
59 passive connection openings
10 failed connection attempts
4 connection resets received
1 connections established
103806 segments received
73820 segments send out
289 segments retransmited
0 bad segments received.
28 resets sent
Udp:
919 packets received
1 packets to unknown port received.
0 packet receive errors
1221 packets sent
UdpLite:
TcpExt:
1 resets received for embryonic SYN_RECV sockets
58 TCP sockets finished time wait in fast timer
676 delayed acks sent
4 delayed acks further delayed because of locked socket
Quick ack mode was activated 12 times
9759 packets directly queued to recvmsg prequeue.
49 bytes directly in process context from backlog
108518 bytes directly received in process context from prequeue
64878 packet headers predicted
3424 packets header predicted and directly queued to user
2978 acknowledgments not containing data payload received
29355 predicted acknowledgments
3 times recovered from packet loss by selective acknowledgements
9 congestion windows recovered without slow start after partial ack
2 TCP data loss events
2 timeouts after SACK recovery
3 fast retransmits
161 other TCP timeouts
3 times receiver scheduled too late for direct processing
12 DSACKs sent for old packets
40 DSACKs received
1 connections reset due to unexpected data
9 connections aborted due to timeout
TCPDSACKIgnoredOld: 25
TCPDSACKIgnoredNoUndo: 7
TCPSpuriousRTOs: 2
TCPSackMerged: 4
TCPSackShiftFallback: 7
IpExt:
InBcastPkts: 2425
InOctets: 90960422
OutOctets: 12815466
InBcastOctets: 332656

Thanks.



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