RTNETLINK answers: No such device

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bcd
Posts: 23
Joined: 4. Mar 2009, 19:36

RTNETLINK answers: No such device

Post by bcd »

Hi,
I'm using VB 5.2.6, trying to set up a Host-Only network. Host and Guest are both CentOS. In VB, I've set network adapter 1 to the Host-only and adapter 2 to NAT.
I'm attempting to set a fixed IP address 192.168.56.150 on eth0 in the guest.

When I do a "service network restart" all show OK but eth0 gives

Bringing up interface eth0: RTNETLINK answers: No such device.

I may need to configure something on the host but I don't know what.

Can you help?

I did ifconfig -a and route -n on Host and guest.

On the host these showed

Code: Select all

ifconfig -a:
em1       Link encap:Ethernet  HWaddr D4:AE:52:BA:FF:F4
          inet addr:151.236.33.153  Bcast:151.236.33.153  Mask:255.255.255.255
          inet6 addr: fe80::d6ae:52ff:feba:fff4/64 Scope:Link
          inet6 addr: 2a02:af8:fab0:803:151:236:33:153/128 Scope:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2975563 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7210763 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:418285446 (398.9 MiB)  TX bytes:10642660923 (9.9 GiB)

em2       Link encap:Ethernet  HWaddr D4:AE:52:BA:FF:F5
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

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:65536  Metric:1
          RX packets:669290 errors:0 dropped:0 overruns:0 frame:0
          TX packets:669290 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:10223053680 (9.5 GiB)  TX bytes:10223053680 (9.5 GiB)

vboxnet0  Link encap:Ethernet  HWaddr 0A:00:27:00:00:00
          inet addr:192.168.56.1  Bcast:192.168.56.255  Mask:255.255.255.0
          inet6 addr: fe80::800:27ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:61 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:12642 (12.3 KiB)

route -n:
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
151.236.33.1    0.0.0.0         255.255.255.255 UH    0      0        0 em1
192.168.56.0    0.0.0.0         255.255.255.0   U     0      0        0 vboxnet0
169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 em1
0.0.0.0         151.236.33.1    0.0.0.0         UG    0      0        0 em1
On the Guest these showed

Code: Select all

ifconfig -a:
eth0      Link encap:Ethernet  HWaddr 08:00:27:0C:BE:AE
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:10 errors:0 dropped:0 overruns:0 frame:0
          TX packets:20 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2190 (2.1 KiB)  TX bytes:4031 (3.9 KiB)

eth1      Link encap:Ethernet  HWaddr 08:00:27:4E:82:A9
          inet addr:10.0.3.15  Bcast:10.0.3.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:27 errors:0 dropped:0 overruns:0 frame:0
          TX packets:49 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:4373 (4.2 KiB)  TX bytes:7539 (7.3 KiB)

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:264 errors:0 dropped:0 overruns:0 frame:0
          TX packets:264 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:22436 (21.9 KiB)  TX bytes:22436 (21.9 KiB)

route -n :
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
10.0.3.0        0.0.0.0         255.255.255.255 U     0      0        0 eth1
169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 eth1
0.0.0.0         10.0.3.2        0.0.0.0         UG    0      0        0 eth1
Many thanks.
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socratis
Site Moderator
Posts: 27329
Joined: 22. Oct 2010, 11:03
Primary OS: Mac OS X other
VBox Version: PUEL
Guest OSses: Win(*>98), Linux*, OSX>10.5
Location: Greece

Re: RTNETLINK answers: No such device

Post by socratis »

bcd wrote:I'm attempting to set a fixed IP address 192.168.56.150 on eth0 in the guest.
Why?
How?
Do NOT send me Personal Messages (PMs) for troubleshooting, they are simply deleted.
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If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
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bcd
Posts: 23
Joined: 4. Mar 2009, 19:36

Re: RTNETLINK answers: No such device

Post by bcd »

Why?
Because I want to setup a website on the guest using a known, fixed ip address that the host can ping, for example. Then I can access the website directly it from the host.

How?
In /etc/sysconfig/network-scripts/ifcfg-eth0 I have

DEVICE=eth0
BOOTPROTO=static
IPADDR=192.168.56.150
HWADDR=08:00:27:24:A4:E6
ONBOOT=yes
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socratis
Site Moderator
Posts: 27329
Joined: 22. Oct 2010, 11:03
Primary OS: Mac OS X other
VBox Version: PUEL
Guest OSses: Win(*>98), Linux*, OSX>10.5
Location: Greece

Re: RTNETLINK answers: No such device

Post by socratis »

Thank you for the explanation, makes complete sense.

Now, I'm not 100% sure, but I vaguely remember an issue like that with a VM that forced me to delete the whole thing, because of the unorthodox way that it was behaving; it would only allow an active NIC at a time! You would enable #1, the rest would become inactive (I had 4 NICs on the guest). There was a solution out there, and it had nothing to do with VirtualBox. But it really drove me crazy and I dumped the whole VM.

Maybe CentOS is doing the same thing? It's been years since I had a CentOS host (or guest)...
Do NOT send me Personal Messages (PMs) for troubleshooting, they are simply deleted.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
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bcd
Posts: 23
Joined: 4. Mar 2009, 19:36

Re: RTNETLINK answers: No such device

Post by bcd »

OK thanks. If you struggled too it's safe to assume it's difficult or something wierd is going on.

For the record, I have that exact configuration (viz. with 2 NICs) working with a Windows Host and CentOS guest.

Anyway, I've changed some things around to move the problem elsewhere and solved that new problem using NAT with port forwarding.
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