I have a TP-Link Archer A6 v2 I've been using as a dumb WAP hardwired to my router, running the stock firmware for a few years. I decided to install OpenWRT today and eventually got it functional. I was able to get the device talking to my router over an ethernet cable easily, and devices connected to the Archer by ethernet could talk to the internet.
The hard part was getting the wireless networks setup. I've got it functioning now after adding "option network lan" to their wifi-ifaces in /etc/config/wireless. But before getting to that I did some blind messing around in luci. Specifically, I added every option (interface?) to Bridge Ports for br-lan, and set the wan Device to br-lan, while as I recall it was Switch VLAN: "eth0.1" initially. Neither of those got me online over wifi.
I don't know the terminology here, so I don't really understand what I did. It didn't seem to help, but it evidently didn't break anything. I'm pretty sure I screwed up my initial setup of the wireless networks since it didn't work without some additional effort, so I don't know what the proper values for those fields should be. Any advice?
That's the page I was following. The initial part in luci worked well for the ethernet ports but doesn't help for wireless setup. I was trying to avoid going to the command line and now need to figure out if what I did was harmful.
If you want us to review your config, we can do that. However, if you are looking for the simple solution to guarantee a fresh start, simply reset to defaults and start over. From the default state, for the dumb AP type operation, you only need to do a few quick things:
set the address of the lan so that it is in the same subnet but does not conflict with your upstream network
turn off the dhcp server on lan.
set your wifi country code, SSID name and encyption type/password, and then enable wifi.
If you want us to take a look at the configuration:
Please connect to your OpenWrt device using ssh and copy the output of the following commands and post it here using the "Preformatted text </> " button:
Remember to redact passwords, MAC addresses and any public IP addresses you may have:
That's awesome, thanks a lot. I'll reset if you notice anything badly wrong and difficult to fix. Output below:
root@OpenWrt:~# ubus call system board
{
"kernel": "5.10.176",
"hostname": "OpenWrt",
"system": "Qualcomm Atheros QCA956X ver 1 rev 0",
"model": "TP-Link Archer C6 v2 (US) / A6 v2 (US/TW)",
"board_name": "tplink,archer-c6-v2-us",
"rootfs_type": "squashfs",
"release": {
"distribution": "OpenWrt",
"version": "22.03.5",
"revision": "r20134-5f15225c1e",
"target": "ath79/generic",
"description": "OpenWrt 22.03.5 r20134-5f15225c1e"
}
}
root@OpenWrt:~# 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 'fd29:528c:606b::/48'
config device
option name 'br-lan'
option type 'bridge'
list ports 'eth0'
list ports 'eth0.1'
list ports 'eth0.2'
config interface 'lan'
option device 'br-lan'
option proto 'dhcp'
config interface 'wan'
option proto 'dhcp'
option device 'br-lan'
config interface 'wan6'
option device 'eth0.2'
option proto 'dhcpv6'
config switch
option name 'switch0'
option reset '1'
option enable_vlan '1'
config switch_vlan
option device 'switch0'
option vlan '1'
option ports '2 3 4 5 0t'
config switch_vlan
option device 'switch0'
option vlan '2'
option ports '1 0t'
root@OpenWrt:~# 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 'fd29:528c:606b::/48'
config device
option name 'br-lan'
option type 'bridge'
list ports 'eth0'
list ports 'eth0.1'
list ports 'eth0.2'
config interface 'lan'
option device 'br-lan'
option proto 'dhcp'
config interface 'wan'
option proto 'dhcp'
option device 'br-lan'
config interface 'wan6'
option device 'eth0.2'
option proto 'dhcpv6'
config switch
option name 'switch0'
option reset '1'
option enable_vlan '1'
config switch_vlan
option device 'switch0'
option vlan '1'
option ports '2 3 4 5 0t'
config switch_vlan
option device 'switch0'
option vlan '2'
option ports '1 0t'
root@OpenWrt:~# cat /etc/config/wireless
config wifi-device 'radio0'
option type 'mac80211'
option path 'pci0000:00/0000:00:00.0'
option channel '36'
option band '5g'
option htmode 'VHT80'
option cell_density '0'
config wifi-device 'radio1'
option type 'mac80211'
option path 'platform/ahb/18100000.wmac'
option channel '1'
option band '2g'
option htmode 'HT20'
option cell_density '0'
config wifi-iface 'default_radio1'
option device 'radio1'
option network 'lan'
option mode 'ap'
option ssid 'ssid'
option encryption 'psk2'
option key 'password'
config wifi-iface 'wifinet2'
option device 'radio0'
option network 'lan'
option mode 'ap'
option ssid 'ssid'
option encryption 'psk2'
option key 'password'
root@OpenWrt:~# cat /etc/config/dhcp
config dnsmasq
option domainneeded '1'
option boguspriv '1'
option filterwin2k '0'
option localise_queries '1'
option rebind_protection '1'
option rebind_localhost '1'
option local '/lan/'
option domain 'lan'
option expandhosts '1'
option nonegcache '0'
option authoritative '1'
option readethers '1'
option leasefile '/tmp/dhcp.leases'
option resolvfile '/tmp/resolv.conf.d/resolv.conf.auto'
option nonwildcard '1'
option localservice '1'
option ednspacket_max '1232'
config dhcp 'lan'
option interface 'lan'
option start '100'
option limit '150'
option leasetime '12h'
option dhcpv4 'server'
option ignore '1'
config dhcp 'wan'
option interface 'wan'
option ignore '1'
config odhcpd 'odhcpd'
option maindhcp '0'
option leasefile '/tmp/hosts/odhcpd'
option leasetrigger '/usr/sbin/odhcpd-update'
option loglevel '4'
root@OpenWrt:~# cat /etc/config/firewall
config defaults
option syn_flood 1
option input ACCEPT
option output ACCEPT
option forward REJECT
# Uncomment this line to disable ipv6 rules
# option disable_ipv6 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
# We need to accept udp packets on port 68,
# see https://dev.openwrt.org/ticket/4108
config rule
option name Allow-DHCP-Renew
option src wan
option proto udp
option dest_port 68
option target ACCEPT
option family ipv4
# Allow IPv4 ping
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
# Allow DHCPv6 replies
# see https://github.com/openwrt/openwrt/issues/5066
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
# Allow essential incoming IPv6 ICMP traffic
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
# Allow essential forwarded IPv6 ICMP traffic
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
### EXAMPLE CONFIG SECTIONS
# do not allow a specific ip to access wan
#config rule
# option src lan
# option src_ip 192.168.45.2
# option dest wan
# option proto tcp
# option target REJECT
# block a specific mac on wan
#config rule
# option dest wan
# option src_mac 00:11:22:33:44:66
# option target REJECT
# block incoming ICMP traffic on a zone
#config rule
# option src lan
# option proto ICMP
# option target DROP
# port redirect port coming in on wan to lan
#config redirect
# option src wan
# option src_dport 80
# option dest lan
# option dest_ip 192.168.16.235
# option dest_port 80
# option proto tcp
# port redirect of remapped ssh port (22001) on wan
#config redirect
# option src wan
# option src_dport 22001
# option dest lan
# option dest_port 22
# option proto tcp
### FULL CONFIG SECTIONS
#config rule
# option src lan
# option src_ip 192.168.45.2
# option src_mac 00:11:22:33:44:55
# option src_port 80
# option dest wan
# option dest_ip 194.25.2.129
# option dest_port 120
# option proto tcp
# option target REJECT
#config redirect
# option src lan
# option src_ip 192.168.45.2
# option src_mac 00:11:22:33:44:55
# option src_port 1024
# option src_dport 80
# option dest_ip 194.25.2.129
# option dest_port 120
# option proto tcp
In addition to the question of whether my config is ok, I'm looking for some insight on bridge devices, bridge ports, and interface devices (i.e. when I was clicking around in luci and got those screenshots, what exactly did I do?). Is there a one paragraph summary linking these concepts together? Or a link you'd recommend I read through?
There are some problems, but these can be fixed fairly easily...
A bridge is basically an unmanaged switch implemented in software. In most cases, you should not be mixing VLANs here...
Instead... it should look like this:
config device
option name 'br-lan'
option type 'bridge'
list ports 'eth0.1'
VLAN 1 (eth0.1) has the lan ports already configured together. If your intent is to use the wan port as 'just another port' we need to make the following edits:
Great, thanks a lot for your help. I hadn't intended on using the WAN port as "just another port" at this stage, but that was the next thing on my agenda. Marking this as solved.
