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I am working with a arm micro-controller. Currently the controller is configured as a dhcp client on eth0 (ethernet jack) and as a dhcp server on eth1. I want to configure it to also serve dhcp on eth0, so that it will be a client when it is connected to a router, or be a server when connected to a laptop/hub. I want to be able to tell the controller to be a server or be a client from the front end. I am not entirely sure how to go about doing that as I am fairly new to linux dev.

I have looked into the /etc/udhcpd.conf file but i'm not sure if I should add interface eth0 there. Also looked into the /etc/networking/interfaces file and the udhcpd.service files but I'm not sure what to modify. Could you please give me some direction as to how I can configure the controller to be a server or a client on demand on eth0?

Here are the contents of the files contents for more info:

/etc/udhcpd.config:
start 10.77.0.2
end 10.77.255.200

interface   eth1



opt dns 8.8.8.8 8.8.4.4 #public google dns servers

option  subnet  255.255.0.0

opt     router  10.77.0.1

/etc/network/interfaces:
auto lo
iface lo inet loopback

auto eth0

iface eth0 inet dhcp



pre-up /bin/grep -v -e "ip=[0-9]+.[0-9]+.[0-9]+.[0-9]+" /proc/cmdline > 

/dev/null

udhcpc_opts -R -b



iface eth1 inet static

address 10.77.0.1

netmask 255.255.0.0

udhcpd.service:
[Unit]
Description=udhcpd Service
After=startup.service

[Service]

ExecStartPre=/sbin/ifup eth1 

ExecStart=/usr/sbin/udhcpd -f -S /etc/udhcpd.conf



TimeoutSec=infinity



[Install]

WantedBy=multi-user.target

linux networking network-interface dhcp

share|improve this question

asked 17 mins ago

Hermon GebremariamHermon Gebremariam

11

New contributor

Hermon Gebremariam is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

0

I am working with a arm micro-controller. Currently the controller is configured as a dhcp client on eth0 (ethernet jack) and as a dhcp server on eth1. I want to configure it to also serve dhcp on eth0, so that it will be a client when it is connected to a router, or be a server when connected to a laptop/hub. I want to be able to tell the controller to be a server or be a client from the front end. I am not entirely sure how to go about doing that as I am fairly new to linux dev.

I have looked into the /etc/udhcpd.conf file but i'm not sure if I should add interface eth0 there. Also looked into the /etc/networking/interfaces file and the udhcpd.service files but I'm not sure what to modify. Could you please give me some direction as to how I can configure the controller to be a server or a client on demand on eth0?

Here are the contents of the files contents for more info:

/etc/udhcpd.config:
start 10.77.0.2
end 10.77.255.200

interface   eth1



opt dns 8.8.8.8 8.8.4.4 #public google dns servers

option  subnet  255.255.0.0

opt     router  10.77.0.1

/etc/network/interfaces:
auto lo
iface lo inet loopback

auto eth0

iface eth0 inet dhcp



pre-up /bin/grep -v -e "ip=[0-9]+.[0-9]+.[0-9]+.[0-9]+" /proc/cmdline > 

/dev/null

udhcpc_opts -R -b



iface eth1 inet static

address 10.77.0.1

netmask 255.255.0.0

udhcpd.service:
[Unit]
Description=udhcpd Service
After=startup.service

[Service]

ExecStartPre=/sbin/ifup eth1 

ExecStart=/usr/sbin/udhcpd -f -S /etc/udhcpd.conf



TimeoutSec=infinity



[Install]

WantedBy=multi-user.target

linux networking network-interface dhcp

share|improve this question

asked 17 mins ago

Hermon GebremariamHermon Gebremariam

11

New contributor

Hermon Gebremariam is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I am working with a arm micro-controller. Currently the controller is configured as a dhcp client on eth0 (ethernet jack) and as a dhcp server on eth1. I want to configure it to also serve dhcp on eth0, so that it will be a client when it is connected to a router, or be a server when connected to a laptop/hub. I want to be able to tell the controller to be a server or be a client from the front end. I am not entirely sure how to go about doing that as I am fairly new to linux dev.

I have looked into the /etc/udhcpd.conf file but i'm not sure if I should add interface eth0 there. Also looked into the /etc/networking/interfaces file and the udhcpd.service files but I'm not sure what to modify. Could you please give me some direction as to how I can configure the controller to be a server or a client on demand on eth0?

Here are the contents of the files contents for more info:

/etc/udhcpd.config:
start 10.77.0.2
end 10.77.255.200

interface   eth1



opt dns 8.8.8.8 8.8.4.4 #public google dns servers

option  subnet  255.255.0.0

opt     router  10.77.0.1

/etc/network/interfaces:
auto lo
iface lo inet loopback

auto eth0

iface eth0 inet dhcp



pre-up /bin/grep -v -e "ip=[0-9]+.[0-9]+.[0-9]+.[0-9]+" /proc/cmdline > 

/dev/null

udhcpc_opts -R -b



iface eth1 inet static

address 10.77.0.1

netmask 255.255.0.0

udhcpd.service:
[Unit]
Description=udhcpd Service
After=startup.service

[Service]

ExecStartPre=/sbin/ifup eth1 

ExecStart=/usr/sbin/udhcpd -f -S /etc/udhcpd.conf



TimeoutSec=infinity



[Install]

WantedBy=multi-user.target

linux networking network-interface dhcp

share|improve this question

asked 17 mins ago

Hermon GebremariamHermon Gebremariam

11

New contributor

Hermon Gebremariam is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

interface   eth1



opt dns 8.8.8.8 8.8.4.4 #public google dns servers

option  subnet  255.255.0.0

opt     router  10.77.0.1

auto eth0

iface eth0 inet dhcp



pre-up /bin/grep -v -e "ip=[0-9]+.[0-9]+.[0-9]+.[0-9]+" /proc/cmdline > 

/dev/null

udhcpc_opts -R -b



iface eth1 inet static

address 10.77.0.1

netmask 255.255.0.0

[Service]

ExecStartPre=/sbin/ifup eth1 

ExecStart=/usr/sbin/udhcpd -f -S /etc/udhcpd.conf



TimeoutSec=infinity



[Install]

WantedBy=multi-user.target

share|improve this question

asked 17 mins ago

Hermon GebremariamHermon Gebremariam

11

New contributor

Hermon Gebremariam is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 17 mins ago

Hermon GebremariamHermon Gebremariam

11

New contributor

Hermon Gebremariam is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 17 mins ago

Hermon GebremariamHermon Gebremariam

11

New contributor

Hermon Gebremariam is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 17 mins ago

Hermon GebremariamHermon Gebremariam

11