I can access the Internet via IPv6 in lan, but cannot access it via IPv4 in lan.
IPv4:
PING openwrt.org (64.226.122.113): 56 data bytes
92 bytes from openwrt.lan (192.168.5.1): Destination Port Unreachable
Vr HL TOS Len ID Flg off TTL Pro cks Src Dst
4 5 00 5400 fb43 0 0000 3f 01 feee 192.168.5.123 64.226.122.113
Request timeout for icmp_seq 0
92 bytes from openwrt.lan (192.168.5.1): Destination Port Unreachable
Vr HL TOS Len ID Flg off TTL Pro cks Src Dst
4 5 00 5400 ea77 0 0000 3f 01 0fbb 192.168.5.123 64.226.122.113
Request timeout for icmp_seq 1
92 bytes from openwrt.lan (192.168.5.1): Destination Port Unreachable
Vr HL TOS Len ID Flg off TTL Pro cks Src Dst
4 5 00 5400 75d5 0 0000 3f 01 845d 192.168.5.123 64.226.122.113
Request timeout for icmp_seq 2
92 bytes from openwrt.lan (192.168.5.1): Destination Port Unreachable
Vr HL TOS Len ID Flg off TTL Pro cks Src Dst
4 5 00 5400 1769 0 0000 3f 01 e2c9 192.168.5.123 64.226.122.113
Request timeout for icmp_seq 3
92 bytes from openwrt.lan (192.168.5.1): Destination Port Unreachable
Vr HL TOS Len ID Flg off TTL Pro cks Src Dst
4 5 00 5400 5551 0 0000 3f 01 a4e1 192.168.5.123 64.226.122.113
Request timeout for icmp_seq 4
92 bytes from openwrt.lan (192.168.5.1): Destination Port Unreachable
Vr HL TOS Len ID Flg off TTL Pro cks Src Dst
4 5 00 5400 3a2a 0 0000 3f 01 c008 192.168.5.123 64.226.122.113
^C
--- openwrt.org ping statistics ---
6 packets transmitted, 0 packets received, 100.0% packet loss
IPv6:
PING6(56=40+8+8 bytes) 240e:390:1aaa:fd20:4a:8438:9f22:8397 --> 2a03:b0c0:3:d0::1a51:c001
16 bytes from 2a03:b0c0:3:d0::1a51:c001, icmp_seq=0 hlim=49 time=272.113 ms
16 bytes from 2a03:b0c0:3:d0::1a51:c001, icmp_seq=1 hlim=49 time=293.660 ms
16 bytes from 2a03:b0c0:3:d0::1a51:c001, icmp_seq=2 hlim=49 time=314.711 ms
16 bytes from 2a03:b0c0:3:d0::1a51:c001, icmp_seq=3 hlim=49 time=286.214 ms
16 bytes from 2a03:b0c0:3:d0::1a51:c001, icmp_seq=4 hlim=49 time=247.114 ms
^C
--- openwrt.org ping6 statistics ---
5 packets transmitted, 5 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 247.114/282.762/314.711/22.519 ms
/etc/config/network:
config interface 'loopback'
option ifname 'lo'
option proto 'static'
option ipaddr '127.0.0.1'
option netmask '255.0.0.0'
config globals 'globals'
option packet_steering '1'
config interface 'lan'
option type 'bridge'
option proto 'static'
option netmask '255.255.255.0'
option _orig_ifname 'eth0'
option _orig_bridge 'true'
option ifname 'eth0 eth2'
option ipaddr '192.168.5.1'
option ip6assign '64'
config interface 'wan'
option ifname 'eth1'
option _orig_ifname 'eth1'
option _orig_bridge 'false'
option proto 'pppoe'
option username '*************'
option password '*****'
option ipv6 'auto'
option keepalive '0'
config interface 'wan6'
option _orig_ifname 'eth1'
option _orig_bridge 'false'
option ifname '@wan'
option proto 'dhcpv6'
option reqaddress 'try'
option reqprefix 'auto'
config interface 'vpn0'
option ifname 'tun0'
option proto 'none'
config interface 'docker'
option ifname 'docker0'
option proto 'none'
option auto '0'
config device
option type 'bridge'
option name 'docker0'
config interface 'modem'
option proto 'dhcp'
option ifname 'eth1'
option defaultroute '0'
option peerdns '0'
/etc/config/firewall:
config defaults
option syn_flood '1'
option input 'ACCEPT'
option output 'ACCEPT'
option forward 'REJECT'
option fullcone '1'
option flow_offloading_hw '1'
option flow_offloading '0'
config zone
option name 'lan'
option input 'ACCEPT'
option output 'ACCEPT'
option forward 'ACCEPT'
option network 'lan'
config zone
option name 'wan'
option input 'REJECT'
option output 'ACCEPT'
option forward 'REJECT'
option masq '1'
option mtu_fix '1'
option network 'wan wan6 modem'
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 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 '0'
config include
option path '/etc/firewall.user'
config include 'zerotier'
option type 'script'
option path '/etc/zerotier.start'
option reload '1'
config include 'adbyby'
option type 'script'
option path '/var/etc/adbyby.include'
option reload '1'
config rule 'adblock'
option name 'adblock'
option target 'DROP'
option src 'wan'
option proto 'tcp'
option dest_port '8118'
config include 'gowebdav'
option type 'script'
option path '/var/etc/gowebdav.include'
option reload '1'
config include 'openclash'
option type 'script'
option path '/var/etc/openclash.include'
option reload '1'
config include 'passwall'
option type 'script'
option path '/var/etc/passwall.include'
option reload '1'
config include 'passwall_server'
option type 'script'
option path '/var/etc/passwall_server.include'
option reload '1'
config include 'softethervpn'
option type 'script'
option path '/usr/share/softethervpn/firewall.include'
option reload '1'
config include 'shadowsocksr'
option type 'script'
option path '/var/etc/shadowsocksr.include'
option reload '1'
config include 'wrtbwmon'
option type 'script'
option path '/etc/wrtbwmon.include'
option reload '1'
config rule 'openvpn'
option name 'openvpn'
option target 'ACCEPT'
option src 'wan'
option proto 'tcp udp'
option dest_port '1194'
config zone 'vpn'
option name 'vpn'
option input 'ACCEPT'
option forward 'ACCEPT'
option output 'ACCEPT'
option masq '1'
option network 'vpn0'
config forwarding 'vpntowan'
option src 'vpn'
option dest 'wan'
config forwarding 'vpntolan'
option src 'vpn'
option dest 'lan'
config forwarding 'lantovpn'
option src 'lan'
option dest 'vpn'
config zone 'docker'
option input 'ACCEPT'
option output 'ACCEPT'
option forward 'ACCEPT'
option name 'docker'
list network 'docker'
config zone
option name 'newzone'
option input 'ACCEPT'
option forward 'REJECT'
option network ' '
option output 'ACCEPT'
config rule
option target 'ACCEPT'
option proto 'tcp udp'
option dest_port '25565'
option name 'MC'
option src '*'
config rule 'kms'
option name 'kms'
option target 'ACCEPT'
option src 'wan'
option proto 'tcp'
option dest_port '1688'
config redirect
option enabled '1'
option target 'DNAT'
option src 'wan'
option dest 'lan'
option proto 'tcp udp'
option src_dport '3456'
option dest_ip '192.168.5.1'
option dest_port '80'
option name 'OpenWrt'
config rule
option target 'ACCEPT'
option proto 'tcp udp'
option name 'WEBUI'
option src '*'
option dest_port '8789 222'
config rule
option target 'ACCEPT'
option src 'wan'
option proto 'tcp udp'
option dest_port '6881-6999'
option name 'Allow-BT'
config rule
option enabled '1'
option target 'ACCEPT'
option src 'wan'
option proto 'tcp udp'
option dest_port '44711'
option name 'Allow-aMule'
config rule 'alist'
option name 'alist'
option target 'ACCEPT'
option src 'wan'
option proto 'tcp'
option dest_port '5344'
option enabled '1'
How can I solve this problem?