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Netzwerkproblem Vlans / Xen NF_IP_ASSERT: net/ipv4/netfilter

killtill

Newbie
Hallo

Ich habe ein Problem mit unserem Xen Server. Ich erhalte immer diese Meldung im /var/log/messeges

Code:
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)
Dec 30 13:09:28 srv-xen7 NF_IP_ASSERT: net/ipv4/netfilter/ip_nat_standalone.c:112(ip_nat_fn)


Zu der Konfiguration:

Der Server hat 2 physische Interfaces. Darauf diese werden gebridged und darauf werden verschiedene VLANS gelegt und diese werden wiederrum gebriged auf Namen z.B. ISCSI etc. Die Virtuellen Xen Hosts verbinden sich auf die Bridges.

Hier die Conf vom Xen Server

Code:
modules=( "ifconfig" )
config_eth0=( "null" )
config_eth1=( "null" )
bridge_vlan=( "eth0 eth1" )
config_vlan=( "null" )
depend_vlan.1() {
        need net.vlan
}
depend_vlan.2() {
        need net.vlan
}
depend_vlan.3() {
        need net.vlan
}
depend_vlan.4() {
        need net.vlan
}
depend_vlan.5() {
        need net.vlan
}
depend_vlan.6() {
        need net.vlan
}
depend_vlan.7() {
        need net.vlan
}
depend_vlan.8() {
        need net.vlan
}

depend_server() {
        need net.vlan
}
depend_training() {
        need net.vlan
}
depend_dmz() {
        need net.vlan
}
depend_cc() {
        need net.vlan
}
depend_adsl() {
        need net.vlan
}
depend_notebook() {
        need net.vlan
}
depend_wlan() {
        need net.vlan
}


vlans_vlan=( "5 6 10 11 12 14 15 16 17 100" )
config_vlan_5=( "null" )
config_vlan_6=( "null" )
config_vlan_10=( "null" )
config_vlan_11=( "null" )
config_vlan_12=( "null" )
config_vlan_14=( "null" )
config_vlan_15=( "null" )
config_vlan_16=( "null" )
config_vlan_17=( "null" )
config_vlan_100=( "null" )

bridge_cc=( "vlan.5" )
bridge_adsl=( "vlan.6" )
bridge_clients=( "vlan.10" )
bridge_notebook=( "vlan.11" )
bridge_training=( "vlan.12" )
bridge_server=( "vlan.15" )
bridge_management=( "vlan.16" )
bridge_dmz=( "vlan.17" )
bridge_iscsi=( "vlan.100" )

config_server=( "192.168.15.107/24" )
config_training=( "0.0.0.0  " )
config_dmz=( "0.0.0.0  " )
config_clients=( "0.0.0.0  " )
config_cc=( "0.0.0.0  " )
config_adsl=( "0.0.0.0  " )
config_notebook=( "0.0.0.0  " )
config_wlan=( "0.0.0.0  " )
config_iscsi=( "172.1.1.27/24  " )

brctl_vlan=( "setfd 0" "stp off" )
brctl_server=( "setfd 0" "stp off" )
brctl_training=( "setfd 0" "stp off" )
brctl_dmz=( "setfd 0" "stp off" )
brctl_clients=( "setfd 0" "stp off" )
brctl_cc=( "setfd 0" "stp off" )
brctl_adsl=( "setfd 0" "stp off" )
brctl_notebool=( "setfd 0" "stp off" )
brctl_wlan=( "setfd 0" "stp off" )
brctl_iscsi=( "setfd 0" "stp off" )

mtu_server="1496"
mtu_iscsi="1496"
mtu_vlan="1496"
mtu_adsl="1496"
mtu_cc="1496"
mtu_training="1496"
mtu_clients="1496"
mtu_notebook="1496"
mtu_eth0="1496"
mtu_eth1="1496"

Hier eine Config eines virtuellen Xen Hosts

Code:
kernel = '/VM/Shared/Kernel/xen-U'
memory = 250
name = "srv-dhcpdns"
disk = [ 'file:/VM/Images/srv-dhcpdns/os.img,hda1,w' ]
root = "/dev/hda1 rw"
vif = [ 'bridge=iscsi','bridge=server' ]
extra = "3"

Ich nicht nur auf dem Server die Meldung, sondern sehe auf dem Cixco Switch, das er extrem viele Packete mit Errors erhält und zwar an dem Port wo dieser Xen-Server angeschlossen ist.

Für jegliche Hilfe bin ich dankbar. Der Kernel des Servers ist 2.6.16.28-xen und der virtuelen Hosts sind 2.6.16-xen

Gruss

Killtill
 
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