Thanks for the response.
Here is the output (none from iptables-save -c):
-----------------------------------------------------
OpenWrt 19.07.4, r11208-ce6496d796
-----------------------------------------------------
root@openwrt:~# uci export network; uci export firewall; iptables-save -c; ip -4
addr; ip -4 ro li tab all; ip -4 ru
package 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 ula_prefix 'fd14:37d8:915e::/48'
config interface 'lan'
option type 'bridge'
option proto 'static'
option netmask '255.255.255.0'
option ip6assign '60'
option ifname 'eth0.16'
option ipaddr '192.168.16.1'
config interface 'wan'
option proto 'dhcp'
option ifname 'eth0.11'
config interface 'wan6'
option ifname 'eth0.11'
option proto 'dhcpv6'
option reqaddress 'try'
option reqprefix 'auto'
package firewall
config defaults
option input 'ACCEPT'
option output 'ACCEPT'
option forward 'REJECT'
option synflood_protect '1'
config zone
option name 'lan'
list network 'lan'
option input 'ACCEPT'
option output 'ACCEPT'
option forward 'ACCEPT'
config zone
option name 'wan'
list network 'wan'
list network 'wan6'
option input 'REJECT'
option output 'ACCEPT'
option forward 'REJECT'
option masq '1'
option mtu_fix '1'
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 include
option path '/etc/firewall.user'
config forwarding
option dest 'lan'
option src 'wan'
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1000
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
4: br-lan: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP qlen 1000
inet 192.168.16.1/24 brd 192.168.16.255 scope global br-lan
valid_lft forever preferred_lft forever
6: eth0.11@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP qlen 1000
inet 192.168.11.79/24 brd 192.168.11.255 scope global eth0.11
valid_lft forever preferred_lft forever
default via 192.168.11.1 dev eth0.11 src 192.168.11.79
192.168.11.0/24 dev eth0.11 scope link src 192.168.11.79
192.168.16.0/24 dev br-lan scope link src 192.168.16.1
broadcast 127.0.0.0 dev lo table local scope link src 127.0.0.1
local 127.0.0.0/8 dev lo table local scope host src 127.0.0.1
local 127.0.0.1 dev lo table local scope host src 127.0.0.1
broadcast 127.255.255.255 dev lo table local scope link src 127.0.0.1
broadcast 192.168.11.0 dev eth0.11 table local scope link src 192.168.11.79
local 192.168.11.79 dev eth0.11 table local scope host src 192.168.11.79
broadcast 192.168.11.255 dev eth0.11 table local scope link src 192.168.11.79
broadcast 192.168.16.0 dev br-lan table local scope link src 192.168.16.1
local 192.168.16.1 dev br-lan table local scope host src 192.168.16.1
broadcast 192.168.16.255 dev br-lan table local scope link src 192.168.16.1
0: from all lookup local
32766: from all lookup main
32767: from all lookup default
root@openwrt:~#