DD-WRT:Dual SSID isolated

Default main network is 192.168.1.1 in this example

1) Wireless -->basic setting added another Interface, unbridged, and with IP of 192.168.2.1, mask of 255.255.255.0 

2) In wireless security configured the security for the second adapter.



Apply changes.

3)Setup - networking --> dhcpD added another DHCP server for the second interface chose wl0.1 

4)Administration---> commands

iptables -I INPUT -i wl0.1 -p icmp -j ACCEPT iptables -I INPUT -i wl0.1 -p tcp --dport 23 -j logdrop iptables -I INPUT -i wl0.1 -p tcp --dport 80 -j logdrop iptables -I FORWARD -i wl0.1 -o br0 -j logdrop

Save firewall



5)reboot router