Re: [Xen-users] Cannot get network access on domU (NetBSD), other than to the dom0

[Alveox Services <alveox@xxxxxxxxxx>]

Still no luck getting network forwarding up and running ...

Any advice ?

Cheers


Alveox Services a écrit :
> Hi,
>
> While I have no trouble running a Linux domU from a Linux dom0, I 
> cannot get a NetBSD domU to work...
> dom0 can reach domU, domU can reach dom0
> But domU cannot reach/be reached by any machine further.
>
> Here's my routed setup (for security reasons, my box provider does not 
> allow bridging) :
> Relevant conf options:
> ------------------
> vif = [ 'ip=87.98.147.107' ]            # replace with DomU's IP
> netmask = "255.255.255.255"
> gateway = "94.23.225.143"                       # Dom0
>
> DOM0:
> --------
> * Debian : Linux ks1 2.6.21.7-xxxx-xen0-ipv6-64 #1 SMP Fri Aug 28 
> 15:03:48 CEST 2009 x86_64 GNU/Linux
> * relevant ifconfig:
> eth0      Link encap:Ethernet  HWaddr 00:30:48:BC:7F:26
>          inet addr:94.23.225.143  Bcast:94.23.225.255  Mask:255.255.255.0
>          inet6 addr: fe80::230:48ff:febc:7f26/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:405490 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:295829 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:1000
>          RX bytes:245657312 (234.2 MiB)  TX bytes:24068448 (22.9 MiB)
> ....
> vif27.0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>          inet addr:94.23.225.143  Bcast:94.255.255.255  
> Mask:255.255.255.255
>          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:128 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:109 errors:0 dropped:3 overruns:0 carrier:0
>          collisions:0 txqueuelen:1
>          RX bytes:4697 (4.5 KiB)  TX bytes:7353 (7.1 KiB)
> * netstat -rn
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags   MSS Window  
> irtt Iface
> 87.98.147.107   0.0.0.0         255.255.255.255 UH        0 0          
> 0 vif27.0
> 94.23.225.0     0.0.0.0         255.255.255.0   U         0 0          
> 0 eth0
> 0.0.0.0         94.23.225.254   0.0.0.0         UG        0 0          
> 0 eth0
> (please note 87.98.147.107 is routed via the box provider to 
> 94.23.225.143)
> domU:
> ------
> * NetBSD  5.0.1_PATCH NetBSD 5.0.1_PATCH (XEN3PAE_DOMU) #0: Sun Oct  4 
> 21:08:02 UTC 2009  
> builds@xxxxxxxxxxxxx:/home/builds/ab/netbsd-5-0/i386/200910040000Z-obj/home/builds/ab/netbsd-5-0/src/sys/arch/i386/compile/XEN3PAE_DOMU 
> i386
> * relevant ifconfig:
> xennet0: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> 
> mtu 1500
>        capabilities=2800<TCP4CSUM_Tx,UDP4CSUM_Tx>
>        enabled=0
>        address: 00:16:3e:5d:d8:c4
>        inet 87.98.147.107 netmask 0xffffffff broadcast 87.98.147.107
>        inet6 fe80::216:3eff:fe5d:d8c4%xennet0 prefixlen 64 scopeid 0x1
> * netstat -rn
> Destination        Gateway            Flags    Refs      Use    Mtu  
> Interface
> default            link#1             UCS         2        0      -  
> xennet0
> 87.98.147.107/32   link#1             UC          0        0      -  
> xennet0
> 92.252.39.84       link#1             UHLc        0        1      -  
> xennet0
> 94.23.225.143      fe:ff:ff:ff:ff:ff  UHLc        0       13      -  
> xennet0
> 127/8              127.0.0.1          UGRS        0        0  33184  lo0
> 127.0.0.1          127.0.0.1          UH          1      522  33184  lo0
>
>
> Any help appreciated to troubleshoot...
>
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