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Pi Connected to gateway via mesh network only, acts as AP
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| #Pi-7: Connected to internet only via Mesh network and serves as access point | |
| #This serves as the bridge connecting the whole mesh to the internet | |
| # This will work but you lose the ability to SSH to this? | |
| # It's either that or it will lose the AP ability? | |
| # After setting all the configs, just run ./setup-all.sh | |
| #Takes time before activating/being in mesh and having internet | |
| #Don't forget to setup the iptables and save it on reboot | |
| #Don't forget to setup the AP as well. i think the main point here is in hostapd.conf | |
| sudo apt-get install dnsmasq hostapd | |
| # wlan1 is the adapter to be set as AP | |
| # wlan0 is used for mesh networking | |
| #Using raspberry jessie: | |
| cat /etc/*-release | |
| #manscript.sh | |
| #!/bin/bash | |
| out=$(sudo batctl o | wc -l) | |
| ifBatExists=$(ip a show bat0 up | wc -l) | |
| echo "$ifBatExists" | |
| if [ "$ifBatExists" -gt 1 ] && [ "$out" -gt 2 ]; then | |
| echo "Already setup batman!" | |
| else | |
| echo "starting batman" | |
| sudo modprobe batman-adv | |
| echo "Sleeping 5 seconds!!" | |
| sleep 5s | |
| echo "Setting wlan down" | |
| sudo ip link set wlan0 down | |
| sudo ifconfig wlan0 mtu 1532 | |
| sudo iwconfig wlan0 mode ad-hoc | |
| sudo iwconfig wlan0 essid my-mesh-network | |
| sudo iwconfig wlan0 ap 46:64:A9:B2:9B:23 | |
| #sudo iwconfig wlan0 ap any | |
| sudo iwconfig wlan0 channel 1 | |
| echo "Sleeping for 2 seconds" | |
| sleep 2s | |
| echo "Setting wlan0 up" | |
| sudo ip link set wlan0 up | |
| echo "Sleeping for 2 seconds" | |
| sleep 2s | |
| sudo batctl if add wlan0 | |
| echo "Sleeping for 2 seconds" | |
| sleep 2s | |
| echo "Setting bat0 up" | |
| sudo ifconfig bat0 up | |
| echo "Sleeping for 5 seconds" | |
| sleep 5s | |
| #Change this for each mesh node ie. 172.27.0.2 on next one | |
| sudo ifconfig bat0 172.27.0.7/16 | |
| echo "Done!!!" | |
| fi | |
| #Skip deny interfaces line | |
| #/etc/network/interfaces | |
| #Setting up wifi access point | |
| # interfaces(5) file used by ifup(8) and ifdown(8) | |
| # Please note that this file is written to be used with dhcpcd | |
| # For static IP, consult /etc/dhcpcd.conf and 'man dhcpcd.conf' | |
| # Include files from /etc/network/interfaces.d: | |
| source-directory /etc/network/interfaces.d | |
| auto lo | |
| iface lo inet loopback | |
| iface eth0 inet manual | |
| #allow-hotplug wlan0 | |
| #iface wlan0 inet manual | |
| # wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf | |
| auto wlan0 | |
| iface bat0 inet static | |
| address 172.27.0.7 | |
| netmask 255.255.255.0 | |
| #allow-hotplug wlan1 | |
| #iface wlan1 inet manual | |
| # wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf | |
| allow-hotplug wlan1 | |
| iface wlan1 inet static | |
| address 172.27.3.101 | |
| netmask 255.255.255.0 | |
| network 172.27.3.0 | |
| broadcast 172.27.3.255 | |
| #/etc/hostapd/hostapd.conf | |
| interface=wlan1 | |
| driver=nl80211 | |
| ssid=Pi3_7-AP | |
| hw_mode=g | |
| channel=6 | |
| ieee80211n=1 | |
| wmm_enabled=1 | |
| ht_capab=[HT40][SHORT-GI-20][DSSS_CCK-40] | |
| macaddr_acl=0 | |
| auth_algs=1 | |
| ignore_broadcast_ssid=0 | |
| wpa=2 | |
| wpa_key_mgmt=WPA-PSK | |
| wpa_passphrase=raspberry | |
| rsn_pairwise=CCMP | |
| #/etc/dnsmasq.conf | |
| interface=wlan1 # Use interface wlan0 | |
| listen-address=172.27.3.101 # Explicitly specify the address to listen on | |
| bind-interfaces # Bind to the interface to make sure we aren't sending things elsewhere | |
| server=8.8.8.8 # Forward DNS requests to Google DNS | |
| domain-needed # Don't forward short names | |
| bogus-priv # Never forward addresses in the non-routed address spaces. | |
| dhcp-range=172.27.3.50,172.27.3.150,12h # Assign IP addresses between 172.24.1.50 and 172.24.1.150 with a 12 hour lease time | |
| #iptables: https://unix.stackexchange.com/questions/205867/viewing-all-iptables-rules | |
| #Take note only filter and nat tables | |
| Filter table: | |
| Chain INPUT (policy ACCEPT 5573 packets, 1127K bytes) | |
| pkts bytes target prot opt in out source destination | |
| Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) | |
| pkts bytes target prot opt in out source destination | |
| 14659 17M ACCEPT all -- bat0 wlan1 anywhere anywhere state RELATED,ESTABLISHED | |
| 13699 1399K ACCEPT all -- wlan1 bat0 anywhere anywhere | |
| Chain OUTPUT (policy ACCEPT 1395 packets, 171K bytes) | |
| pkts bytes target prot opt in out source destination | |
| Nat table: | |
| Chain PREROUTING (policy ACCEPT 10 packets, 1768 bytes) | |
| pkts bytes target prot opt in out source destination | |
| Chain INPUT (policy ACCEPT 2 packets, 740 bytes) | |
| pkts bytes target prot opt in out source destination | |
| Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes) | |
| pkts bytes target prot opt in out source destination | |
| Chain POSTROUTING (policy ACCEPT 0 packets, 0 bytes) | |
| pkts bytes target prot opt in out source destination | |
| 483 34843 MASQUERADE all -- any bat0 anywhere anywhere | |
| Mangle table: | |
| Chain PREROUTING (policy ACCEPT 41707 packets, 20M bytes) | |
| pkts bytes target prot opt in out source destination | |
| Chain INPUT (policy ACCEPT 10388 packets, 1932K bytes) | |
| pkts bytes target prot opt in out source destination | |
| Chain FORWARD (policy ACCEPT 28361 packets, 18M bytes) | |
| pkts bytes target prot opt in out source destination | |
| Chain OUTPUT (policy ACCEPT 3841 packets, 487K bytes) | |
| pkts bytes target prot opt in out source destination | |
| Chain POSTROUTING (policy ACCEPT 32259 packets, 19M bytes) | |
| pkts bytes target prot opt in out source destination | |
| Raw table: | |
| Chain PREROUTING (policy ACCEPT 41707 packets, 20M bytes) | |
| pkts bytes target prot opt in out source destination | |
| Chain OUTPUT (policy ACCEPT 3844 packets, 488K bytes) | |
| pkts bytes target prot opt in out source destination | |
| All rules in all tables printed | |
| #Ifconfig | |
| bat0 Link encap:Ethernet HWaddr be:64:f2:ae:cd:36 | |
| inet addr:172.27.0.7 Bcast:172.27.255.255 Mask:255.255.0.0 | |
| inet6 addr: fe80::bd28:93c:f328:e29e/64 Scope:Link | |
| UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 | |
| RX packets:42119 errors:0 dropped:6958 overruns:0 frame:0 | |
| TX packets:17332 errors:0 dropped:2 overruns:0 carrier:0 | |
| collisions:0 txqueuelen:1000 | |
| RX bytes:20267029 (19.3 MiB) TX bytes:2092842 (1.9 MiB) | |
| eth0 Link encap:Ethernet HWaddr b8:27:eb:ee:70:4a | |
| UP BROADCAST MULTICAST MTU:1500 Metric:1 | |
| RX packets:2300 errors:0 dropped:738 overruns:0 frame:0 | |
| TX packets:201 errors:0 dropped:0 overruns:0 carrier:0 | |
| collisions:0 txqueuelen:1000 | |
| RX bytes:286697 (279.9 KiB) TX bytes:25526 (24.9 KiB) | |
| lo Link encap:Local Loopback | |
| inet addr:127.0.0.1 Mask:255.0.0.0 | |
| inet6 addr: ::1/128 Scope:Host | |
| UP LOOPBACK RUNNING MTU:65536 Metric:1 | |
| RX packets:174 errors:0 dropped:0 overruns:0 frame:0 | |
| TX packets:174 errors:0 dropped:0 overruns:0 carrier:0 | |
| collisions:0 txqueuelen:1 | |
| RX bytes:13738 (13.4 KiB) TX bytes:13738 (13.4 KiB) | |
| wlan0 Link encap:Ethernet HWaddr b8:27:eb:bb:25:1f | |
| inet addr:169.254.252.228 Bcast:169.254.255.255 Mask:255.255.0.0 | |
| inet6 addr: fe80::cee3:8e2d:439:d06a/64 Scope:Link | |
| UP BROADCAST RUNNING MULTICAST MTU:1532 Metric:1 | |
| RX packets:169116 errors:0 dropped:29 overruns:0 frame:0 | |
| TX packets:99604 errors:0 dropped:0 overruns:0 carrier:0 | |
| collisions:0 txqueuelen:1000 | |
| RX bytes:36179374 (34.5 MiB) TX bytes:16511534 (15.7 MiB) | |
| wlan1 Link encap:Ethernet HWaddr 00:e0:4c:19:7f:70 | |
| inet addr:172.27.3.101 Bcast:172.27.3.255 Mask:255.255.255.0 | |
| inet6 addr: fe80::7ac5:5f7c:275a:a62d/64 Scope:Link | |
| UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 | |
| RX packets:35206 errors:0 dropped:25330 overruns:0 frame:0 | |
| TX packets:15053 errors:0 dropped:0 overruns:0 carrier:0 | |
| collisions:0 txqueuelen:1000 | |
| RX bytes:2319892 (2.2 MiB) TX bytes:17398802 (16.5 MiB) | |
| #/etc/iptables.ipv4.nat | |
| # Generated by iptables-save v1.4.21 on Tue Aug 7 05:28:42 2018 | |
| *raw | |
| :PREROUTING ACCEPT [550124:404637974] | |
| :OUTPUT ACCEPT [3270:345971] | |
| COMMIT | |
| # Completed on Tue Aug 7 05:28:42 2018 | |
| # Generated by iptables-save v1.4.21 on Tue Aug 7 05:28:42 2018 | |
| *mangle | |
| :PREROUTING ACCEPT [555941:408386208] | |
| :INPUT ACCEPT [73113:25530993] | |
| :FORWARD ACCEPT [468965:379903430] | |
| :OUTPUT ACCEPT [3764:401556] | |
| :POSTROUTING ACCEPT [472737:380305786] | |
| COMMIT | |
| # Completed on Tue Aug 7 05:28:42 2018 | |
| # Generated by iptables-save v1.4.21 on Tue Aug 7 05:28:42 2018 | |
| *filter | |
| :INPUT ACCEPT [73022:25522286] | |
| :FORWARD ACCEPT [0:0] | |
| :OUTPUT ACCEPT [3682:393042] | |
| -A FORWARD -i bat0 -o wlan1 -m state --state RELATED,ESTABLISHED -j ACCEPT | |
| -A FORWARD -i wlan1 -o bat0 -j ACCEPT | |
| COMMIT | |
| # Completed on Tue Aug 7 05:28:42 2018 | |
| # Generated by iptables-save v1.4.21 on Tue Aug 7 05:28:42 2018 | |
| *nat | |
| :PREROUTING ACCEPT [43330:10942942] | |
| :INPUT ACCEPT [27780:7883463] | |
| :OUTPUT ACCEPT [1797:143893] | |
| :POSTROUTING ACCEPT [18:2513] | |
| -A POSTROUTING -o bat0 -j MASQUERADE | |
| COMMIT | |
| # Completed on Tue Aug 7 05:28:42 2018 | |
| #Checking hostapd and dnsmasq status | |
| sudo service hostapd status | |
| sudo service dnsmasq status | |
| #Pinging through different Interface | |
| ping -I bat0 google.com |
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