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Tomas
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  • Tomas
    Tomas replied to a discussion, HotLAN and Firewall - no DHCP, no internet, can't ping gateway

    Output of '/etc/dnsmasq.conf':



    In '/etc/dnsmasq.d' folder we have 2 files:
    - 'app-adamone.conf' which is empty
    - 'dhcp.conf' which contains:


    Output of 'tcpdump -nni enp7s0 portrange 67-68' when client PC unsuccessfully tried to obtain a lease from DHCP:
    tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
    listening on enp7s0, link-type EN10MB (Ethernet), capture size 262144 bytes
    16:22:51.588666 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:xx:xx:09:a1:9d, length 300
    16:22:55.124773 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:xx:xx:09:a1:9d, length 300
    16:23:00.136082 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:xx:xx:09:a1:9d, length 300
    16:23:08.883978 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:xx:xx:09:a1:9d, length 300
    16:23:25.839126 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:xx:xx:09:a1:9d, length 300
    16:23:58.210216 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:xx:xx:09:a1:9d, length 300
    16:24:03.047948 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:xx:xx:09:a1:9d, length 300
    16:24:10.554854 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:xx:xx:09:a1:9d, length 300
    16:24:26.462497 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:xx:xx:09:a1:9d, length 300
    ^C
    9 packets captured
    9 packets received by filter
    0 packets dropped by kernel

    'var/log/messages' filtered by 'enp7s0' contains plenty of: