root@raspberrypi:/home/pi# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 11.0.0.1  netmask 255.255.255.0  broadcast 11.0.0.255
        inet6 fe80::ba27:ebff:fe59:1d86  prefixlen 64  scopeid 0x20<link>
        ether b8:27:eb:59:1d:86  txqueuelen 1000  (Ethernet)
        RX packets 2206  bytes 156484 (152.8 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1362  bytes 137933 (134.7 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1  (Local Loopback)
        RX packets 272  bytes 21194 (20.6 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 272  bytes 21194 (20.6 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.135  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 fe80::ba27:ebff:fe0c:48d3  prefixlen 64  scopeid 0x20<link>
        inet6 2602:306:cd0b:44b0:ba27:ebff:fe0c:48d3  prefixlen 64  scopeid 0x0<global>
        ether b8:27:eb:0c:48:d3  txqueuelen 1000  (Ethernet)
        RX packets 1076  bytes 110201 (107.6 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 920  bytes 179937 (175.7 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

root@raspberrypi:/home/pi# iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination
root@raspberrypi:/home/pi#









root@raspberrypi:/home/pi# iptables -L -t nat
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination

Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination
MASQUERADE  all  --  anywhere             anywhere



root@raspberrypi:/home/pi# sysctl -a | grep forw
net.ipv4.conf.all.forwarding = 1
net.ipv4.conf.all.mc_forwarding = 0
net.ipv4.conf.default.forwarding = 1
net.ipv4.conf.default.mc_forwarding = 0
net.ipv4.conf.eth0.forwarding = 1
net.ipv4.conf.eth0.mc_forwarding = 0
net.ipv4.conf.lo.forwarding = 1
net.ipv4.conf.lo.mc_forwarding = 0
net.ipv4.conf.wlan0.forwarding = 1
net.ipv4.conf.wlan0.mc_forwarding = 0
net.ipv4.ip_forward = 1
net.ipv4.ip_forward_use_pmtu = 0
sysctl: net.ipv6.conf.all.forwarding = 0
net.ipv6.conf.all.mc_forwarding = 0
reading key "net.ipv6.conf.all.stable_secret"
sysctl: net.ipv6.conf.default.forwarding = 0
net.ipv6.conf.default.mc_forwarding = 0
reading key "net.ipv6.conf.default.stable_secret"
sysctl: net.ipv6.conf.eth0.forwarding = 0
net.ipv6.conf.eth0.mc_forwarding = 0
reading key "net.ipv6.conf.eth0.stable_secret"
sysctl: reading key "net.ipv6.conf.lo.stable_secret"
net.ipv6.conf.lo.forwarding = 0
net.ipv6.conf.lo.mc_forwarding = 0
sysctl: reading key "net.ipv6.conf.wlan0.stable_secret"
net.ipv6.conf.wlan0.forwarding = 0
net.ipv6.conf.wlan0.mc_forwarding = 0


root@raspberrypi:/home/pi# netstat -rn
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         192.168.1.254   0.0.0.0         UG        0 0          0 eth0
11.0.0.0        0.0.0.0         255.255.255.0   U         0 0          0 eth0
192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0 wlan0
root@raspberrypi:/home/pi#