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Networking problem after physical to VE [message #34540] Fri, 16 January 2009 08:49 Go to previous message
dignus is currently offline  dignus
Messages: 6
Registered: March 2007
Junior Member
Hey there,

I just did another physical-to-VE procedure. Done it before with no problems, but this one gives me a headache.

Some relevant lines:

[root@hw28101 private]# cat /etc/vz/conf/28999.conf
# Configuration file generated by vzsplit for 1 VEs
# on HN with total amount of physical mem 4011 Mb
# low memory 4011 Mb, swap size 8095 Mb, Max treads 8000
# Resourse commit level 0:
# Free resource distribution. Any parameters may be increased
# Primary parameters
NUMPROC="20538:20538"
AVNUMPROC="10269:10269"
NUMTCPSOCK="20538:20538"
NUMOTHERSOCK="20538:20538"
VMGUARPAGES="616143:9223372036854775807"

# Secondary parameters
KMEMSIZE="841240576:925364633"
TCPSNDBUF="196289877:280413525"
TCPRCVBUF="196289877:280413525"
OTHERSOCKBUF="98144938:182268586"
DGRAMRCVBUF="98144938:98144938"
OOMGUARPAGES="616143:9223372036854775807"
PRIVVMPAGES="616143:677757"

# Auxiliary parameters
LOCKEDPAGES="41076:41076"
SHMPAGES="61614:61614"
PHYSPAGES="0:9223372036854775807"
NUMFILE="328608:328608"
NUMFLOCK="1000:1100"
NUMPTY="512:512"
NUMSIGINFO="1024:1024"
DCACHESIZE="183765250:189278208"
NUMIPTENT="200:200"
DISKSPACE="14975830:16473414"
DISKINODES="16651330:18316464"
CPUUNITS="120050"
OSTEMPLATE=debian-4.0
IP_ADDRESS="85.113.250.230"


vzlist:
[root@hw28101 private]# vzlist | grep 28999
     28999         89 running 85.113.250.230  -


routing table in VE:

cleanmail:/# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.0.2.1       0.0.0.0         255.255.255.255 UH    0      0        0 venet0
0.0.0.0         192.0.2.1       0.0.0.0         UG    0      0        0 venet0


/etc/network/interfaces:
cleanmail:/# cat /etc/network/interfaces
# This configuration file is auto-generated.
# WARNING: Do not edit this file, otherwise your changes will be lost.
# Please edit template /etc/network/interfaces.template instead.


# Auto generated interfaces
auto lo
iface lo inet loopback

auto venet0
iface venet0 inet static
        address 127.0.0.1
        netmask 255.255.255.255
        broadcast 0.0.0.0
        up route add -net 192.0.2.1 netmask 255.255.255.255 dev venet0
        up route add default gw 192.0.2.1
auto venet0:0
iface venet0:0 inet static
        address 85.113.250.230
        netmask 255.255.255.255
        broadcast 0.0.0.0


iptables:
cleanmail:/# iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination


ifconfig:
target     prot opt source               destination
cleanmail:/# ifconfig
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:124 errors:0 dropped:0 overruns:0 frame:0
          TX packets:124 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:10020 (9.7 KiB)  TX bytes:10020 (9.7 KiB)

venet0    Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
          inet addr:127.0.0.1  P-t-P:127.0.0.1  Bcast:0.0.0.0  Mask:255.255.255.255
          UP BROADCAST POINTOPOINT RUNNING NOARP  MTU:1500  Metric:1
          RX packets:307 errors:0 dropped:0 overruns:0 frame:0
          TX packets:296 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:24830 (24.2 KiB)  TX bytes:21967 (21.4 KiB)

venet0:0  Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
          inet addr:85.113.250.230  P-t-P:85.113.250.230  Bcast:0.0.0.0  Mask:255.255.255.255
          UP BROADCAST POINTOPOINT RUNNING NOARP  MTU:1500  Metric:1


/etc/resolv.conf:
cleanmail:/# cat /etc/resolv.conf
search jkit.nl
nameserver 208.67.222.222


iptables on host <snipped>:
Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination
<snip>
           all  --  85.113.250.230       anywhere
           all  --  anywhere             85.113.250.230

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination


Now.. maybe I'm not seeing it, but this looks all fine to me. Yet.. no traffic possible, not in, not out. Any hints?
 
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