J'ai un problème d'attribution d'adresse IP (dhcp) sous Ubuntu/Lubuntu 18.10, je me demande si ce n'est pas une régression de la 18.10 par rapport à la 18.04.
Sous Archlinux/Mate un lancement réussi d'un hotspot suvi de la connexion d'un appareil Android donne ceci :
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3304] device (wls1): Activation: starting connection 'Hotspot' (fb6f99aa-bd2a-46b6-8f70-cb234dfb3a18)
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3308] device (wls1): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3315] manager: NetworkManager state is now CONNECTING
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3471] device (wls1): set-hw-addr: reset MAC address to 48:5D:60:95:B9:C2 (preserve)
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3639] device (wls1): supplicant interface state: disconnected -> disabled
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3640] device (wls1): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3644] device (wls1): Activation: (wifi) access point 'Hotspot' has security, but secrets are required.
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3644] device (wls1): state change: config -> need-auth (reason 'none', sys-iface-state: 'managed')
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3683] device (wls1): state change: need-auth -> prepare (reason 'none', sys-iface-state: 'managed')
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3696] device (wls1): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3699] device (wls1): Activation: (wifi) connection 'Hotspot' has security, and secrets exist. No new secrets needed.
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3701] Config: added 'ssid' value 'Toto Le Héros'
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3701] Config: added 'mode' value '2'
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3701] Config: added 'frequency' value '2412'
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3701] Config: added 'key_mgmt' value 'WPA-PSK'
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3701] Config: added 'psk' value '<hidden>'
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.3889] device (wls1): supplicant interface state: disabled -> disconnected
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4177] device (wls1): supplicant interface state: disconnected -> completed
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4177] device (wls1): Activation: (wifi) Stage 2 of 5 (Device Configure) successful. Started Wi-Fi Hotspot "Toto Le H\303\251ros"
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4181] device (wls1): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4542] Executing: /usr/bin/iptables --table filter --insert INPUT --in-interface wls1 --protocol tcp --destination-port 53 --jump ACCEPT
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4603] Executing: /usr/bin/iptables --table filter --insert INPUT --in-interface wls1 --protocol udp --destination-port 53 --jump ACCEPT
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4667] Executing: /usr/bin/iptables --table filter --insert INPUT --in-interface wls1 --protocol tcp --destination-port 67 --jump ACCEPT
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4729] Executing: /usr/bin/iptables --table filter --insert INPUT --in-interface wls1 --protocol udp --destination-port 67 --jump ACCEPT
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4788] Executing: /usr/bin/iptables --table filter --insert FORWARD --in-interface wls1 --jump REJECT
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4832] Executing: /usr/bin/iptables --table filter --insert FORWARD --out-interface wls1 --jump REJECT
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4875] Executing: /usr/bin/iptables --table filter --insert FORWARD --in-interface wls1 --out-interface wls1 --jump ACCEPT
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4916] Executing: /usr/bin/iptables --table filter --insert FORWARD --source 10.42.0.0/255.255.255.0 --in-interface wls1 --jump ACCEPT
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.4958] Executing: /usr/bin/iptables --table filter --insert FORWARD --destination 10.42.0.0/255.255.255.0 --out-interface wls1 --match state --state ESTABLISHED,RELATED --jump ACCEPT
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.5013] Executing: /usr/bin/iptables --table nat --insert POSTROUTING --source 10.42.0.0/255.255.255.0 ! --destination 10.42.0.0/255.255.255.0 --jump MASQUERADE
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.5073] dnsmasq-manager: starting dnsmasq...
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.5094] device (wls1): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'managed')
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.5124] device (wls1): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'managed')
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.5163] device (wls1): state change: secondaries -> activated (reason 'none', sys-iface-state: 'managed')
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.5199] manager: NetworkManager state is now CONNECTED_LOCAL
nov. 25 14:22:52 asus-arch.home dnsmasq[986]: demarré, version 2.80 (taille de cache 150)
nov. 25 14:22:52 asus-arch.home dnsmasq[986]: options à la compilation : IPv6 GNU-getopt DBus i18n IDN2 DHCP DHCPv6 no-Lua TFTP conntrack ipset auth DNSSEC loop-detect inotify dumpfile
nov. 25 14:22:52 asus-arch.home dnsmasq[986]: chown of PID file /var/run/nm-dnsmasq-wls1.pid failed: Opération non permise
nov. 25 14:22:52 asus-arch.home dnsmasq-dhcp[986]: DHCP, plage d'adresses IP 10.42.0.10 -- 10.42.0.254, durée de bail 1h
nov. 25 14:22:52 asus-arch.home dnsmasq[986]: aucun serveur trouvé dans /etc/resolv.conf, va réessayer
nov. 25 14:22:52 asus-arch.home dnsmasq[986]: cache vidé
nov. 25 14:22:52 asus-arch.home NetworkManager[340]: <info> [1543152172.5753] device (wls1): Activation: successful, device activated.
nov. 25 14:22:54 asus-arch.home NetworkManager[340]: <info> [1543152174.2790] policy: ipv6-pd: no device to obtain a subnet to share on wls1 from
nov. 25 14:23:15 asus-arch.home dnsmasq-dhcp[986]: DHCPDISCOVER(wls1) 38:d4:0b:63:42:66
nov. 25 14:23:15 asus-arch.home dnsmasq-dhcp[986]: DHCPOFFER(wls1) 10.42.0.61 38:d4:0b:63:42:66
nov. 25 14:23:15 asus-arch.home dnsmasq-dhcp[986]: DHCPREQUEST(wls1) 10.42.0.61 38:d4:0b:63:42:66
nov. 25 14:23:15 asus-arch.home dnsmasq-dhcp[986]: DHCPACK(wls1) 10.42.0.61 38:d4:0b:63:42:66 android-54ddd8234239c7ab
dnsmasq attribue bien une adresse IP 10.42.0.61 au périphérique android et notez bien les règles iptables appliquées.