Trzecia noc walki 
Udało mi się podnieść połączenia na modemach (wan2 is up, wan3 is up), ale nie widzi ich multiwan:
Mar 17 01:04:08 OpenWrt daemon.notice netifd: Interface 'wan3' is now up
Mar 17 01:04:09 OpenWrt user.notice ifup: Enabling Router Solicitations on wan3 (3g-wan3)
Mar 17 01:04:09 OpenWrt user.info firewall: adding wan3 (3g-wan3) to zone wan
Mar 17 01:04:10 OpenWrt daemon.info dnsmasq[1296]: reading /tmp/resolv.conf.auto
Mar 17 01:04:10 OpenWrt daemon.info dnsmasq[1296]: using nameserver 193.41.112.14#53
Mar 17 01:04:10 OpenWrt daemon.info dnsmasq[1296]: using nameserver 193.41.112.18#53
Mar 17 01:04:10 OpenWrt daemon.info dnsmasq[1296]: using nameserver 8.8.4.4#53
Mar 17 01:04:10 OpenWrt daemon.info dnsmasq[1296]: using nameserver 8.8.8.8#53
Mar 17 01:04:10 OpenWrt daemon.info dnsmasq[1296]: using nameserver 193.41.112.14#53
Mar 17 01:04:10 OpenWrt daemon.info dnsmasq[1296]: using nameserver 193.41.112.18#53
Mar 17 01:04:10 OpenWrt daemon.info dnsmasq[1296]: using nameserver 8.8.4.4#53
Mar 17 01:04:10 OpenWrt daemon.info dnsmasq[1296]: using nameserver 8.8.8.8#53
Mar 17 01:04:10 OpenWrt daemon.info dnsmasq[1296]: using local addresses only for domain lan
Mar 17 01:04:21 OpenWrt daemon.warn dnsmasq[1296]: no servers found in /tmp/resolv.conf.auto, will retry
Mar 17 01:05:28 OpenWrt user.notice multiwan: Reinitializing Multi-WAN Configuration.
Mar 17 01:05:35 OpenWrt user.notice multiwan: Succesfully Initialized on Sun, 17 Mar 2013 01:05:35 +0000.
Mar 17 01:05:36 OpenWrt user.notice multiwan: wan has failed and is currently offline.
Mar 17 01:05:36 OpenWrt user.notice multiwan: wan2 has failed and is currently offline.
Mar 17 01:05:37 OpenWrt user.notice multiwan: wan3 has failed and is currently offline.
Mar 17 01:13:12 OpenWrt daemon.info hostapd: wlan0: STA 00:22:43:19:4b:90 WPA: group key handshake completed (RSN)
Co może oznaczać "no servers found in /tmp/resolv.conf.auto" ?
Moje konfigi:
/etc/config/network
config interface 'wan2'
option proto '3g'
option device '/dev/ttyUSB0'
option service 'umts_only'
option apn 'darmowy'
option 'maxwait' '30'
option 'defaultroute' '0'
option 'dns' '8.8.8.8 8.8.4.4'
config interface 'wan3'
option proto '3g'
option device '/dev/ttyUSB3'
option service 'umts_only'
option apn 'darmowy'
option 'maxwait' '30'
option 'defaultroute' '0'
option 'dns' '8.8.8.8 8.8.4.4'
/etc/config/firewall
config defaults
option syn_flood '1'
option input 'ACCEPT'
option output 'ACCEPT'
option forward 'REJECT'
config zone
option name 'lan'
option network 'lan'
option input 'ACCEPT'
option output 'ACCEPT'
option forward 'REJECT'
config zone
option name 'wan'
option input 'REJECT'
option output 'ACCEPT'
option forward 'REJECT'
option masq '1'
option mtu_fix '1'
option network 'wan wan2 wan3'
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-DHCPv6'
option src 'wan'
option proto 'udp'
option src_ip 'fe80::/10'
option src_port '547'
option dest_ip 'fe80::/10'
option dest_port '546'
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 include
option path '/etc/firewall.user'
/etc/config/multiwan
config multiwan 'config'
option 'health_monitor' 'serial'
option enabled '1'
option default_route 'balancer'
option 'debug' '0'
config 'interface' 'wan'
option 'weight' '5'
option 'health_interval' '10'
option 'icmp_hosts' 'dns'
option 'timeout' '3'
option 'health_fail_retries' '3'
option 'health_recovery_retries' '5'
option 'failover_to' 'balancer'
option 'dns' ''8.8.8.8 8.8.4.4''
config 'interface' 'wan2'
option 'weight' '5'
option 'health_interval' '10'
option 'icmp_hosts' 'dns'
option 'timeout' '3'
option 'health_fail_retries' '3'
option 'health_recovery_retries' '5'
option 'failover_to' 'balancer'
option 'dns' ''8.8.8.8 8.8.4.4''
config 'interface' 'wan3'
option 'weight' '5'
option 'health_interval' '10'
option 'icmp_hosts' 'dns'
option 'timeout' '3'
option 'health_fail_retries' '3'
option 'health_recovery_retries' '5'
option 'failover_to' 'balancer'
option 'dns' ''8.8.8.8 8.8.4.4''
config 'mwanfw'
option 'wanrule' 'fastbalancer'
config mwanfw
option 'wanrule' 'wan'
config mwanfw
option 'wanrule' 'wan2'
config mwanfw
option 'wanrule' 'wan3'
root@OpenWrt:~#