A więc tak, drukarka to brother dcp-1512E, po podłączeniu do xiaomi 3G z openwrt 19.07 i włączeniu p910nd w Luci drukarka działa pięknie w sieci lan, nawet drukowanie z telefonu z Androidem z apki NokoPrint działa dobrze.
Pomyślałem by wykorzystać jako klienta wifi mały routerek tp link mr3020 v3, ustawiłem na nim tryb wisp clienta, włączyłem p910nd i otworzyłem port 9100 na wanie, drukarka działa w sieci lan xiaomi 3g, ale nie działa w aplikacjach z telefonu.
Pojawia się komunikat na telefonie, za każdym razem zmienia się zakres portów 4xxxxx, próbowałem je otwierać na wanie ale bez rezultatu.
Internal Error
failed to connect to /fd3a:150f:e712::1 (port 9100)
from /fd3a:150f:e/12:0:111a:a319:e3cf:94be
(port 41486) after 5000ms: isConnected failed:
ECONNREFUSED (Connection refused)
/etc/config/wireless
config wifi-device 'radio0'
option type 'mac80211'
option channel '11'
option hwmode '11g'
option path 'platform/10300000.wmac'
option htmode 'HT20'
option country 'PL'
option cell_density '0'
config wifi-iface 'default_radio0'
option device 'radio0'
option network 'lan'
option mode 'ap'
option ssid 'wt3020'
option encryption 'psk2'
option key 'zxc'
option disabled '1'
config wifi-iface 'wifinet1'
option device 'radio0'
option mode 'sta'
option network 'wwan'
option ssid 'zxc'
option encryption 'psk2'
option key 'zxc'
cat /etc/config/firewall
config defaults
option syn_flood '1'
option input 'ACCEPT'
option output 'ACCEPT'
option forward 'REJECT'
config zone
option name 'lan'
option input 'ACCEPT'
option output 'ACCEPT'
option forward 'ACCEPT'
list network 'lan'
config zone
option name 'wan'
option input 'REJECT'
option output 'ACCEPT'
option forward 'REJECT'
option masq '1'
option mtu_fix '1'
list network 'wan6'
list network 'wwan'
config forwarding
option src 'lan'
option dest 'wan'
config rule
option name 'Allow-DHCP-Renew'
option src 'wan'
option proto 'udp'
option dest_port '68'
option target 'ACCEPT'
option family 'ipv4'
config rule
option name 'Allow-Ping'
option src 'wan'
option proto 'icmp'
option icmp_type 'echo-request'
option family 'ipv4'
option target 'ACCEPT'
config rule
option name 'Allow-IGMP'
option src 'wan'
option proto 'igmp'
option family 'ipv4'
option target 'ACCEPT'
config rule
option name 'Allow-DHCPv6'
option src 'wan'
option proto 'udp'
option src_ip 'fc00::/6'
option dest_ip 'fc00::/6'
option dest_port '546'
option family 'ipv6'
option target 'ACCEPT'
config rule
option name 'Allow-MLD'
option src 'wan'
option proto 'icmp'
option src_ip 'fe80::/10'
list icmp_type '130/0'
list icmp_type '131/0'
list icmp_type '132/0'
list icmp_type '143/0'
option family 'ipv6'
option target 'ACCEPT'
config rule
option name 'Allow-ICMPv6-Input'
option src 'wan'
option proto 'icmp'
list icmp_type 'echo-request'
list icmp_type 'echo-reply'
list icmp_type 'destination-unreachable'
list icmp_type 'packet-too-big'
list icmp_type 'time-exceeded'
list icmp_type 'bad-header'
list icmp_type 'unknown-header-type'
list icmp_type 'router-solicitation'
list icmp_type 'neighbour-solicitation'
list icmp_type 'router-advertisement'
list icmp_type 'neighbour-advertisement'
option limit '1000/sec'
option family 'ipv6'
option target 'ACCEPT'
config rule
option name 'Allow-ICMPv6-Forward'
option src 'wan'
option dest '*'
option proto 'icmp'
list icmp_type 'echo-request'
list icmp_type 'echo-reply'
list icmp_type 'destination-unreachable'
list icmp_type 'packet-too-big'
list icmp_type 'time-exceeded'
list icmp_type 'bad-header'
list icmp_type 'unknown-header-type'
option limit '1000/sec'
option family 'ipv6'
option target 'ACCEPT'
config rule
option name 'Allow-IPSec-ESP'
option src 'wan'
option dest 'lan'
option proto 'esp'
option target 'ACCEPT'
config rule
option name 'Allow-ISAKMP'
option src 'wan'
option dest 'lan'
option dest_port '500'
option proto 'udp'
option target 'ACCEPT'
config rule
option name 'Support-UDP-Traceroute'
option src 'wan'
option dest_port '33434:33689'
option proto 'udp'
option family 'ipv4'
option target 'REJECT'
option enabled 'false'
config include
option path '/etc/firewall.user'
config rule
option name 'ssh'
option src 'wan'
option target 'ACCEPT'
option proto 'tcp'
option dest_port '22'
config rule
option name 'print'
option src 'wan'
option target 'ACCEPT'
option proto 'tcp'
option dest_port '9100'
config rule
option name 'print2'
option src 'wan'
option target 'ACCEPT'
option proto 'tcpudp'
option src_dport '1-65535'
cat /etc/config/network
config interface 'loopback'
option device 'lo'
option proto 'static'
option ipaddr '127.0.0.1'
option netmask '255.0.0.0'
config globals 'globals'
option ula_prefix 'fddd:08e2:d167::/48'
config device
option name 'br-lan'
option type 'bridge'
list ports 'eth0'
config interface 'lan'
option proto 'static'
option ipaddr '192.168.1.1'
option netmask '255.255.255.0'
option ip6assign '60'
option device 'eth0'
config switch
option name 'switch0'
option reset '1'
option enable_vlan '0'
config interface 'wwan'
option proto 'dhcp'
A więc podsumowując, drukarka dobrze działała na lanie xiaomi 3g z openwrt 19.07, który robi za domowy router. Na mr3020 (jako klient wspomnianego xiaomi) nie działa drukowanie z telefonu. Tak jakby apki korzystały jeszcze z jakiś portów, które teoretycznie próbowałem otworzyć. A może powinienem spróbować to jakoś inaczej skonfigurować? na xiaomi dodatkowo zainstalowany był Avahi, ale on tylko rozgłaszał drukarkę w sieci. A programy na androidzie i tak ją widzą, ale nie mogą się połączyć.