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technik:gateways:gateway-einrichten-segment [07.08.2017 - 15:10] – Roland Volkmann | technik:gateways:gateway-einrichten-segment [28.04.2019 - 11:38] (aktuell) – Externe Bearbeitung 127.0.0.1 | ||
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- | ====== Kurzanleitung für Ubuntu 14.04 ====== | ||
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- | ==== dnsmasq konfigurieren ==== | ||
- | / | ||
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- | / | ||
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- | # | ||
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- | / | ||
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- | # | ||
- | # .ffs/ | ||
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- | # Forward DNS requests via wan-vpn | ||
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- | ==== Openvpn Berlin (anderer Anbieter wie CyberGhost) ==== | ||
- | / | ||
- | # Datei von Berlin (xxxxxxx-udp.ovpn) rein kopieren oder umbenennen | ||
- | # folgende Zeilen am Anfang hinzufügen | ||
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- | up " | ||
- | down " | ||
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- | / | ||
- | # | ||
- | ip rule add from $ifconfig_local table stuttgart priority 9970 | ||
- | # Routen kopieren von Tabelle main | ||
- | ip route show table main | grep -v ^default | while read ROUTE ; do ip route add table stuttgart $ROUTE ; done | ||
- | # default route in table stuttgart | ||
- | ip route add 0.0.0.0/1 via $route_vpn_gateway dev $dev table stuttgart | ||
- | ip route add 128.0.0.0/1 via $route_vpn_gateway dev $dev table stuttgart | ||
- | # NAT aktivieren (2 Moeglichkeiten), | ||
- | # | ||
- | # | ||
- | # | ||
- | exit 0 | ||
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- | / | ||
- | # | ||
- | ip rule del from $ifconfig_local table stuttgart priority 9970 | ||
- | # NAT deaktivieren, | ||
- | # | ||
- | # | ||
- | exit 0 | ||
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- | chmod +x / | ||
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- | ==== Funktionstest kann beginnen ==== | ||
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- | ==== Bird konfigurieren ==== | ||
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- | # Filter definieren | ||
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- | krt_metric = 100; | ||
- | if net ~ [ 172.21.0.0/ | ||
- | if net ~ [ 10.190.0.0/ | ||
- | else reject; | ||
- | } | ||
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- | learn; | ||
- | persist no; | ||
- | scan time 20; # Scan kernel routing table every 20 seconds | ||
- | import filter ffs_filter; | ||
- | kernel table 70; # fuer table stuttgart | ||
- | export filter ffs_filter; | ||
- | device routes; | ||
- | } | ||
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- | # This pseudo-protocol watches all interface up/down events. | ||
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- | scan time 10; # Scan interfaces every 10 seconds | ||
- | } | ||
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- | preference 100; # prio zahl | ||
- | rfc1583compat no; # Metrik gem. OSPFv2, RFC 2328 | ||
- | stub router no; # Box macht ggf. auch Transit-Traffic | ||
- | tick 1; # Topologie-Berechnungen nur alle 1s | ||
- | ecmp no; # Kein Equal-Cost-Multipath, | ||
- | # Uplinks aus dem Weg zu gehen | ||
- | import filter ffs_filter; | ||
- | export filter ffs_filter; | ||
- | area 0.0.0.0 { # Backbone-Area | ||
- | external{ | ||
- | 0.0.0.0/0; | ||
- | }; | ||
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- | cost 100; | ||
- | hello 10; | ||
- | poll 20; | ||
- | retransmit | ||
- | priority | ||
- | wait 40; | ||
- | type bcast; | ||
- | authentication | ||
- | password | ||
- | }; | ||
- | }; | ||
- | }; | ||
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- | ==== Bird6 konfigurieren ==== | ||
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- | # Filter definieren | ||
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- | krt_metric = 100; | ||
- | if net ~ [ fd21: | ||
- | else reject; | ||
- | } | ||
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- | learn; | ||
- | persist no; | ||
- | scan time 20; # Scan kernel routing table every 20 seconds | ||
- | import filter ffs_filter; | ||
- | kernel table 70; # fuer table stuttgart | ||
- | export filter ffs_filter; | ||
- | device routes; | ||
- | } | ||
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- | # This pseudo-protocol watches all interface up/down events. | ||
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- | scan time 10; # Scan interfaces every 10 seconds | ||
- | } | ||
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- | | ||
- | preference 100; # prio zahl | ||
- | rfc1583compat no; # Metrik gem. OSPFv2, RFC 2328 | ||
- | stub router no; # Box macht ggf. auch Transit-Traffic | ||
- | tick 1; # Topologie-Berechnungen nur alle 1s | ||
- | ecmp no; # Kein Equal-Cost-Multipath, | ||
- | # Uplinks aus dem Weg zu gehen | ||
- | import filter ffs_filter; | ||
- | export filter ffs_filter; | ||
- | area 0.0.0.0 { # Backbone-Area | ||
- | external{ | ||
- | ::/0; | ||
- | }; | ||
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- | cost 100; | ||
- | hello 10; | ||
- | poll 20; | ||
- | retransmit | ||
- | priority | ||
- | wait 40; | ||
- | type bcast; | ||
- | }; | ||
- | }; | ||
- | }; | ||
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- | ==== Freifunk Aktualisierungen ==== | ||
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- | / | ||
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- | / | ||
- | # | ||
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- | # | ||
- | while : ; do | ||
- | ## ffs Peers aktualisieren | ||
- | cd / | ||
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- | echo " | ||
- | / | ||
- | ## ffsbb aktualisieren | ||
- | cd / | ||
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- | echo " | ||
- | tincd -n ffsbb -k HUP | ||
- | # Status veroeffentlichen | ||
- | for i in $vpns; do | ||
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- | done | ||
- | echo "*** fertig ***" | ||
- | sleep 120 | ||
- | done | ||
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- | ===== Tinc VPN Layer 2 einrichten ===== | ||
- | * Es wird ein Tinc Netz 10.191.255.0/ | ||
- | * 3 DHCP Server erhalten die IPs 10.191.255.251/ | ||
- | * die Gateways nutzen erhalten eine IP in 10-191.255.x/ | ||
- | * Jeder GW macht in Tinc 3 VPN Connects zu den 3 DHCP Servern, diese fungieren als Zentralen des VPN Netzes. | ||
- | * IPv6 entsprechend einrichten | ||
- | * Das wars! | ||
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- | / | ||
- | echo ' | ||
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- | mkdir -p / | ||
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- | / | ||
- | Name = gw07n99 | ||
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- | Mode = switch | ||
- | Port = 6551 | ||
- | # | ||
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- | / | ||
- | # | ||
- | ip addr add 10.191.255.99/ | ||
- | ip link set $INTERFACE up | ||
- | ip rule add iif $INTERFACE table stuttgart priority 7000 | ||
- | ip route add 10.191.255.0/ | ||
- | ip addr add fd21: | ||
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- | chmod +x / | ||
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- | tincd -n ffsbb -K | ||
- | 2 x Return drücken | ||
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- | / | ||
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- | port = 6551 | ||
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- | echo ffsbb >> / | ||
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- | ===== Tinc VPN Layer 2 einrichten Teil2, hosts Dateien aus Git holen ===== | ||
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- | git clone https:// | ||
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- | Alte hosts umbenennen als Backup | ||
- | mv / | ||
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- | Git Dateien verwenden | ||
- | ln -s / | ||
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- | ====== Gateway sicher vom Netz nehmen ====== | ||
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- | Wenn ein Gateway aus dem Netz raus soll, bitte wiefolgt vorgehen, damit es keine Ausfälle bei den Nodes und Clients gibt | ||
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- | * batctl gw off | ||
- | * 1 Minute warten | ||
- | * DHCP Server deaktivieren, | ||
- | * 10 Minuten warten, damit die Clients eine IP vom Alternativ-DHCP Server bekommen | ||
- | * fastd beenden | ||
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- | {{tag>gw setup howto}} | ||