Hello Michael,

In case this is still relevant - ping does not work over VirtualBox's
current NAT implementation.

Regards,

Michael

Michael Thaler wrote:
> Hi,
> 
> I am new to VirtualBox. I am running VirtualBox on Debian SID (Version 
> 1.6.2_OSE). I installed Windows XP as a guest operating system. Everything 
> works fine except the network, which does not work at all.
> 
> I have a DSL connection using PPPoE. The output of ifconfig is:
> 
> # ifconfig
> eth0      Link encap:Ethernet  HWaddr 00:00:cb:68:4e:7f
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:21858 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:19967 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:23630921 (22.5 MiB)  TX bytes:3034009 (2.8 MiB)
>           Interrupt:21 Base address:0x800
> 
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>           RX packets:3310 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:3310 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:514317 (502.2 KiB)  TX bytes:514317 (502.2 KiB)
> 
> ppp0      Link encap:Point-to-Point Protocol
>           inet addr:88.217.44.165  P-t-P:82.135.16.28  Mask:255.255.255.255
>           UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1492  Metric:1
>           RX packets:21710 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:19820 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:3
>           RX bytes:23144339 (22.0 MiB)  TX bytes:2589078 (2.4 MiB)
> 
> I am running pdns as a local dns server. /etc/resolv.conf contains:
> # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
> #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
> nameserver 127.0.0.1
> 
> 
> In Windows XP I see a LAN-Connection: an AMD PCNET Family Ethernet-Adapter, 
> which obtains IP address and DNS server automatically. The output of ipconfig 
> is (translated from German):
> 
> IP-Address: 10.0.2.15
> Subnet: 255.255.255.0
> Standard gateway: 10.0.2.2
> 
> When I try to ping e.g. 88.217.44.165 or 82.135.16.28 all packets are lost.
> 
> Here are some (hopefully relevant) parts of the VirtualBox log:
> 
> 00:00:08.773 [/Devices/pcnet/] (level 2)
> 00:00:08.773 
> 00:00:08.773 [/Devices/pcnet/0/] (level 3)
> 00:00:08.773   Trusted       <integer> = 0x0000000000000001 (1)
> 00:00:08.773   PCIDeviceNo   <integer> = 0x0000000000000003 (3)
> 00:00:08.773   PCIFunctionNo <integer> = 0x0000000000000000 (0)
> 00:00:08.773 
> 00:00:08.773 [/Devices/pcnet/0/Config/] (level 4)
> 00:00:08.773   Am79C973       <integer> = 0x0000000000000001 (1)
> 00:00:08.773   MAC            <bytes>   = "08 00 27 a6 5f 13" (cb=6)
> 00:00:08.773   CableConnected <integer> = 0x0000000000000001 (1)
> 00:00:08.773   LineSpeed      <integer> = 0x0000000000000000 (0)
> 00:00:08.773 
> 00:00:08.773 [/Devices/pcnet/0/LUN#999/] (level 4)
> 00:00:08.773   Driver <string>  = "MainStatus" (cch=11)
> 00:00:08.773 
> 00:00:08.773 [/Devices/pcnet/0/LUN#999/Config/] (level 5)
> 00:00:08.773   papLeds <integer> = 0x000000000a315f50 (171007824)
> 00:00:08.773 
> 00:00:08.773 [/Devices/pcnet/0/LUN#0/] (level 4)
> 00:00:08.773   Driver <string>  = "NAT" (cch=4)
> 00:00:08.773 
> 00:00:08.773 [/Devices/pcnet/0/LUN#0/Config/] (level 5)
> 00:00:08.773   TFTPPrefix <string>  = "/home/michi/.VirtualBox/TFTP" (cch=29)
> 00:00:08.773   BootFile   <string>  = "Windows XP.pxe" (cch=15)
> ...
> 00:10:05.724 PCNet#0: Init: ss32=1 GCRDRA=0x06582420[64] GCTDRA=0x06582020[64]
> 00:14:31.077 PCNet#0: Init: ss32=1 GCRDRA=0x06582420[64] GCTDRA=0x06582020[64]
> 00:14:31.495 NAT: DHCP offered IP address 10.0.2.15
> 00:14:31.511 NAT: DHCP offered IP address 10.0.2.15
> 00:14:31.558 PCNet#0: Init: ss32=1 GCRDRA=0x06582420[64] GCTDRA=0x06582020[64]
> 00:14:32.383 PCNet#0: Init: ss32=1 GCRDRA=0x06582420[64] GCTDRA=0x06582020[64]
> 00:14:32.384 PCNet#0: Init: ss32=1 GCRDRA=0x06582420[64] GCTDRA=0x06582020[64]
> 00:14:32.384 PCNet#0: Init: ss32=1 GCRDRA=0x06582420[64] GCTDRA=0x06582020[64]
> 00:14:32.449 PCNet#0: Init: ss32=1 GCRDRA=0x06582420[64] GCTDRA=0x06582020[64]
> 00:14:32.507 NAT: DHCP offered IP address 10.0.2.15
> 00:14:32.509 NAT: DHCP offered IP address 10.0.2.15
> 00:14:32.565 PCNet#0: Init: ss32=1 GCRDRA=0x06582420[64] GCTDRA=0x06582020[64]
> 00:23:46.343 NAT: DNS address: 127.0.0.1
> ..
> 00:28:47.312 PCNet#0: Init: ss32=1 GCRDRA=0x0673b420[64] GCTDRA=0x0673b020[64]
> 00:28:48.020 PCNet#0: Init: ss32=1 GCRDRA=0x0673b420[64] GCTDRA=0x0673b020[64]
> ...
> 00:29:12.730 PCNet#0: Init: ss32=1 GCRDRA=0x0673b420[64] GCTDRA=0x0673b020[64]
> 00:29:13.556 PCNet#0: Init: ss32=1 GCRDRA=0x0673b420[64] GCTDRA=0x0673b020[64]
> ...
> 00:30:34.947 PCNet#0: Init: ss32=1 GCRDRA=0x0673b420[64] GCTDRA=0x0673b020[64]
> ...
> 00:39:43.693 PCNet#0: Init: ss32=1 GCRDRA=0x066db420[64] GCTDRA=0x066db020[64]
> 00:39:43.706 Guest adapter information contains unsupported type 5. The block 
> has been skipped.
> ...
> 00:39:43.693 PCNet#0: Init: ss32=1 GCRDRA=0x066db420[64] GCTDRA=0x066db020[64]
> 00:39:43.706 Guest adapter information contains unsupported type 5. The block 
> has been skipped.
> ...
> 00:39:48.398 NAT: DHCP offered IP address 10.0.2.15
> 00:39:48.434 PCNet#0: Init: ss32=1 GCRDRA=0x066db420[64] GCTDRA=0x066db020[64]
> 00:39:51.836 PCNet#0: Init: ss32=1 GCRDRA=0x066db420[64] GCTDRA=0x066db020[64]
> 00:39:56.423 Guest Additions capability report: (0x5) seamless: yes, 
> hostWindowMapping: no, graphics: yes
> 00:40:07.998 PCNet#0: Init: ss32=1 GCRDRA=0x066db420[64] GCTDRA=0x066db020[64]
> 
> (I searched for net and copied the output containing net)
> 
> Do you have any tips how to get the network working?
> 
> Thanks,
> Michael
> 
> P.S. I cannot register for the formum because my mailserver uses Graylisting 
> and apparently the Forum only sends mails once, instead of trying it again 
> after failing to deliver an email.


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