Assign IP address at boot time

Assign IP address at boot time

[jchludzinski]

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Where do I assign a static IP address to my sole network interface?

I tried using the Linux boot parameters (in extlinux.conf):

LABEL Arria10 SOCDK SDMMC
    KERNEL ../zImage
    FDT ../socfpga_arria10_phead.dtb
    APPEND root=/dev/mmcblk0p2 rw rootwait earlyprintk
console=ttyS0,115200n8 ip=192.168.0.101:255.255.255.0:eth0 

Then I tried editing: /etc/network/interfaces 

iface eth0 inet static 
address 192.168.0.101
netmask 255.255.255.0 

Both failed. Where do I go?

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Re: [yocto] Assign IP address at boot time

[Rudolf J Streif]

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Hi there,

On 3/9/21 1:27 PM, jchludzinski via lists.yoctoproject.org wrote:
> Where do I assign a static IP address to my sole network interface?
>
That depends on whether or not you are using a network manager and if so 
which one.

You haven't told us much about your board and it's network interfaces 
and how you built your system.

> I tried using the Linux boot parameters (in extlinux.conf):
>
> *LABEL Arria10 SOCDK SDMMC*
> *    KERNEL ../zImage*
> *    FDT ../socfpga_arria10_phead.dtb*
> *    APPEND root=/dev/mmcblk0p2 rw rootwait earlyprintk 
> console=ttyS0,115200n8 ip=192.168.0.101:255.255.255.0:eth0*
> Then I tried editing: /etc/network/interfaces
> *iface eth0 inet static *
> *address 192.168.0.101*
> *netmask 255.255.255.0*
> Both failed. Where do I go?

To start, do you have the driver required for your network interface? 
You can use ifconfig -a to see if your network interface is detected by 
the kernel. You should also look at the kernel log if the network 
interface is configured.

:rjs

>
> 
>
-- 
Rudolf J Streif
CEO/CTO ibeeto
+1.855.442.3386 x700


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Re: [yocto] Assign IP address at boot time

[jchludzinski]

> To start, do you have the driver required for your network interface?

Yes, the network/Ethernet device is recognized by Linux and the 
appropriate driver is loaded. If I use:

$ ip add add 192.168.9.101/24 dev eth0

I’m up and running. But I want the IP assignment to happen during boot 
time.

Re: [yocto] Assign IP address at boot time

[Rudolf J Streif]

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On 3/9/21 11:34 PM, jchludzinski wrote:
>> To start, do you have the driver required for your network interface?
>
> Yes, the network/Ethernet device is recognized by Linux and the 
> appropriate driver is loaded. If I use:
>
> $ ip add add 192.168.9.101/24 dev eth0
>
> I’m up and running. But I want the IP assignment to happen during boot 
> time.
What is your startup manager? systemd or SysVInit?

-- 
Rudolf J Streif
CEO/CTO ibeeto
+1.855.442.3386 x700


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Re: [yocto] Assign IP address at boot time

[jchludzinski]

> What is your startup manager? systemd or SysVInit?

systemd

Re: [yocto] Assign IP address at boot time

[Rudolf J Streif]

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Create the file /etc/systemd/network/eth0.conf:

[Match]
Name=eth0
[Network]
Address=<ip>
Gateway=<ip>
DNS=<ip>

Restart systemd-networkd

# systemctl restart systemd-networkd

or reboot.

:rjs

On 3/10/21 11:31 AM, jchludzinski wrote:
>
>> What is your startup manager? systemd or SysVInit?
>
> systemd

-- 
Rudolf J Streif
CEO/CTO ibeeto
+1.855.442.3386 x700


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Re: [yocto] Assign IP address at boot time

[jchludzinski]

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> Create the file /etc/systemd/network/eth0.conf:
> 
> [Match]
> Name=eth0
> [Network]
> Address=<ip>
> Gateway=<ip>
> DNS=<ip>

That didn't work BUT editing /lib/systemd/network/80-wired.network

[Match]
Name=en* eth*
KernelCommandLine=!nfsroot

[Match]
Name=eth0
[Network]
Address=192.168.0.101/24
#Gateway=<ip>
#DNS=<ip>

[Network]
DHCP=no

[DHCP]
#RouteMetric=10
#ClientIdentifier=mac

 ... did work, after: 
root@arria10:~# _systemctl restart systemd-networkd_

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Re: [yocto] Assign IP address at boot time

[Rudolf J Streif]

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On 3/10/21 1:32 PM, jchludzinski wrote:
>> Create the file /etc/systemd/network/eth0.conf:
>>
>> [Match]
>> Name=eth0
>> [Network]
>> Address=<ip>
>> Gateway=<ip>
>> DNS=<ip>
>
> That didn't work BUT editing /lib/systemd/network/80-wired.network
> [Match]
> Name=en* eth*
> KernelCommandLine=!nfsroot
>
> [Match]
> Name=eth0
> [Network]
> Address=192.168.0.101/24
> #Gateway=<ip>
> #DNS=<ip>
>
> [Network]
> DHCP=no
>
> [DHCP]
> #RouteMetric=10
> #ClientIdentifier=mac
> ... did work, after:
> *root@arria10:~#* /systemctl restart systemd-networkd/
Preferred method for local configuration is using /etc/systemd/network. 
However, the probable reason why it did not work is that the file should 
be eth0.network. The name of the file(s) do not matter that much. The 
extension does though.

-- 
Rudolf J Streif
CEO/CTO ibeeto
+1.855.442.3386 x700


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Re: [yocto] Assign IP address at boot time

[jchludzinski]

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Can this be done using boot parameters?

Something like(?):

LABEL Arria10 SOCDK SDMMC
    KERNEL ../zImage
    FDT ../socfpga_arria10_phead.dtb
    APPEND root=/dev/mmcblk0p2 rw rootwait earlyprintk
console=ttyS0,115200n8 ip=192.168.0.101:255.255.255.0:eth0

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Re: [yocto] Assign IP address at boot time

[Rudolf J Streif]

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On 3/11/21 10:12 AM, jchludzinski wrote:
> Can this be done using boot parameters?
Not that I know of. Why anyway?
>
> Something like(?):
>
> LABEL Arria10 SOCDK SDMMC
>     KERNEL ../zImage
>     FDT ../socfpga_arria10_phead.dtb
>     APPEND root=/dev/mmcblk0p2 rw rootwait earlyprintk 
> console=ttyS0,115200n8 *ip=192.168.0.101:255.255.255.0:eth0*

-- 
Rudolf J Streif
CEO/CTO ibeeto
+1.855.442.3386 x700


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Re: [yocto] Assign IP address at boot time

[Chen Qi]

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Try adding the following line to the match section of the 
80-wired.network file.
KernelCommandLine=!ip

Regards,
Chen Qi

On 03/12/2021 02:12 AM, jchludzinski via lists.yoctoproject.org wrote:
> Can this be done using boot parameters?
>
> Something like(?):
>
> LABEL Arria10 SOCDK SDMMC
>     KERNEL ../zImage
>     FDT ../socfpga_arria10_phead.dtb
>     APPEND root=/dev/mmcblk0p2 rw rootwait earlyprintk 
> console=ttyS0,115200n8 *ip=192.168.0.101:255.255.255.0:eth0*
>
>
> 
>


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Re: [yocto] Assign IP address at boot time

[Zoran]

Hello,

Maybe you can stop in the U-Boot monitor, and check your environment?
=>
=> print serverip
=> print ipaddr
=> print gatewayip
=> print gw_ip

And see what and how your bootcmd and similar env variables look like?

And if you do not have defined above, to add them (according to ash
script) and try booting again?

Zee
_______


On Tue, Mar 9, 2021 at 10:28 PM jchludzinski via
lists.yoctoproject.org
<jchludzinski=vivaldi.net@lists.yoctoproject.org> wrote:
>
> Where do I assign a static IP address to my sole network interface?
>
> I tried using the Linux boot parameters (in extlinux.conf):
>
> LABEL Arria10 SOCDK SDMMC
>     KERNEL ../zImage
>     FDT ../socfpga_arria10_phead.dtb
>     APPEND root=/dev/mmcblk0p2 rw rootwait earlyprintk console=ttyS0,115200n8 ip=192.168.0.101:255.255.255.0:eth0
>
> Then I tried editing: /etc/network/interfaces
>
> iface eth0 inet static
> address 192.168.0.101
> netmask 255.255.255.0
>
> Both failed. Where do I go?
>
> 
>