dnsmasq 2.81-4 not working

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dnsmasq 2.81-4 not working

Postby Idiotist » Thu May 21, 2020 4:59 pm

I'm using my raspberry pi as a network adapter where the ethernet port connects to a PC, and the on-board WLAN adapter connects to a wireless network. Previously, I was using Raspbian where dnsmasq works fine. However, as an ArchLinux desktop user, I do have the motivation to port my adapter project into alarm. Installing alarm and set up the network as well as dnsmasq was not a lot of work. However, dnsmasq keep reporting "DHCP packet received on eth0 which has no address" in journalctl which is quite confusing. I did some search on this problem. However, all useful results indicating it's either a fixed issue in dnsmasq or the ethernet wire to blame. It's weird that I'm using the exact same wire before and after my switching from raspbian to alarm. I then changed my old wire to a new one. However, the problem still exists. I tried to capture traffics on eth0 and Wireshark shows that only DHCP discovery packages sent by the PC and no response or offer packages sent by the raspberry pi. Each time dnsmasq reports "DHCP packet received on eth0 which has no address", there is a DHCP discovery package captured by Wireshark. The DHCP discovery packages are all correctly decoded by Wireshark, but not dnsmasq. Is there any way to solve or just debug this problem?

$this->bbcode_second_pass_code('', '
May 21 16:02:56 alarm dnsmasq[450]: reading /etc/resolv.conf
May 21 16:02:56 alarm dnsmasq[450]: using nameserver 192.168.1.1#53
May 21 16:02:56 alarm dnsmasq[450]: using nameserver fe80::b675:eff:fe69:a8ee%wlan0#53
May 21 16:02:58 alarm dnsmasq-dhcp[450]: DHCPDISCOVER(eth0) 5c:f3:fc:f1:9f:d2
May 21 16:02:58 alarm dnsmasq-dhcp[450]: DHCPOFFER(eth0) 192.168.2.113 5c:f3:fc:f1:9f:d2
May 21 16:03:06 alarm dnsmasq-dhcp[450]: DHCPDISCOVER(eth0) 5c:f3:fc:f1:9f:d2
May 21 16:03:06 alarm dnsmasq-dhcp[450]: DHCPOFFER(eth0) 192.168.2.113 5c:f3:fc:f1:9f:d2
May 21 16:06:24 alarm dnsmasq-dhcp[450]: DHCP packet received on eth0 which has no address
May 21 16:06:26 alarm dnsmasq-dhcp[450]: DHCP packet received on eth0 which has no address
May 21 16:06:30 alarm dnsmasq-dhcp[450]: DHCP packet received on eth0 which has no address
May 21 16:06:38 alarm dnsmasq-dhcp[450]: DHCP packet received on eth0 which has no address
May 21 16:09:08 alarm dnsmasq-dhcp[450]: DHCP packet received on eth0 which has no address
May 21 16:09:10 alarm dnsmasq-dhcp[450]: DHCP packet received on eth0 which has no address
May 21 16:09:14 alarm dnsmasq-dhcp[450]: DHCP packet received on eth0 which has no address
May 21 16:09:22 alarm dnsmasq-dhcp[450]: DHCP packet received on eth0 which has no address
May 21 16:17:00 alarm dnsmasq-dhcp[450]: DHCP packet received on eth0 which has no address
May 21 16:17:03 alarm dnsmasq-dhcp[450]: DHCP packet received on eth0 which has no address
')
Idiotist
 
Posts: 5
Joined: Thu May 14, 2020 12:36 pm

Re: dnsmasq 2.81-4 not working

Postby Idiotist » Thu May 21, 2020 5:01 pm

Idiotist
 
Posts: 5
Joined: Thu May 14, 2020 12:36 pm


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