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22 views

No response to DHCP broadcast

Following on from this question, I'm still trying to get ethernet and DHCP working on a buildroot-based embedded Linux board. Here's what I'm trying: The ethernet interface is brought up using ...
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1answer
100 views

How to get BusyBox udhcpc to run in background forever?

I would like to configure eth0 on my BusyBox based Linux system to try and get a DHCP lease for 5 times, then run in the background forever if it doesn't get an IP after those 5 tries (i.e. does not ...
2
votes
1answer
81 views

How is udhcpc executed and how to change it?

I am working on an embedded system and it uses udhcpc as its DHCP client. It seems to be running with the following parameters: /usr/share/udhcpc # ps | grep dhcp 5366 root 2432 S udhcpc -R ...
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155 views

udhcpc and auto IP assignment

I need to assign automatically the IP of the interface for which I request the IP address with udhcpc. The default udhcpc script installed on my system is this: #!/bin/sh # udhcpc script edited by ...
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0answers
6 views

reset of a ubiquiti networks power ap - no love

Had to reset our ubnt power ap. It's on fiber, and should pull ip via dhcp. no pppoe weirdness here. even so, it cannot grab an ip. all cables are connected. tried mtu 1500 and 1492. I have ssh access ...
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58 views

Access point doesn't give IP address after DHCP request

I'm trying to follow the instructions in this page: How do I create a WiFi hotspot sharing wireless internet connection (single adapter)? Almost everything works fine, but my dhcp server doesn't ...
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1answer
118 views

How to broadcast two access points?

How do I broadcast two access points with two WiFi cards with hostapd? Most tutorials don't work since udhcpd doesn't work with two access points. Example tutorial: ...
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votes
2answers
504 views

Overriding udchcp flags used by ifup in BusyBox

I am working on a system that I did not create the BusyBox build for. I do not want to recompile BusyBox for fear that my configuration will not completely match the original and besides this the ...
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3answers
12k views

What overwrites /etc/resolv.conf on every boot?

I was given the files for a mini linux, that boots directly into firefox. It works for all it should be doing, only that I do not get an internet connection. We have 3 DNS servers in the network, ...
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0answers
371 views

udhcpc starting before PHY is up

I'm having a issue with my Ethernet PHY not being up before eth0 tries to get an IP address This is my etc/network/interfaces # Configure Loopback auto lo iface lo inet loopback # The primary ...
2
votes
1answer
761 views

How to execute udhcpc as non-root

On a Linux machine, I am trying to run the udhcpc command as non-root. I am getting the error udhcpc: socket: Operation not permitted. Is there any way to execute udhcpc as a simple user in Linux?
2
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1answer
858 views

How to configure DHCP so that boot is completed even without a DHCP server?

I have configured /etc/network/interface like this: auto lo eth0 iface lo inet loopback iface eth0 inet dhcp But when a lease cannot be obtained, the booting is not completed. Is it possible to ...
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2answers
2k views

How do I use dhcpcd in openwrt instead of udhcpc?

I'm trying to determine the reason my router is not syncing up to my ISP, I do suspect snafu on their end so I'm trying to replicate my desktops setup which includes using dhcpcd. Problem is I don't ...