157 lines
2.8 KiB
Plaintext
157 lines
2.8 KiB
Plaintext
[[Kategorie:Infrastruktur]]
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== Hardware Info ==
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benötigt mindestens 2 funktionierende Interfaces
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== Software Info ==
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Linux
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* ifenslave
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* tcpdump
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FreeBSD
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* load Kernelmodul
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* tcpdump
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== Verwendungszweck ==
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Gewünscht ist eine ausfallsichere Verbindung (präferiert über Ethernet, fallback über WLAN) ohne packet loss
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=== Linx (Debian): Bonding / failover ===
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<source lang=bash>
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apt-get install ifenslave-2.6 tcpdump
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</source>
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Network-Manager deaktiveren
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<source lang=bash>
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sudo /etc/init.d/network-manager stop
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sudo update-rc.d network-manager remove
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sudo /etc/init.d/networking stop
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</source>
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/etc/network/interfaces konfigurieren
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<source lang=bash>
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sudo vi /etc/network/interfaces
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### ### ### C3D2 ### ### ###
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# Define slaves
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auto eth0
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iface eth0 inet manual
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bond-master bond0
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bond-primary eth0
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bond-mode active-backup
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auto wlan1
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iface wlan1 inet manual
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wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
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bond-master bond0
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bond-primary eth0
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bond-mode active-backup
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# Define master
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auto bond0
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iface bond0 inet dhcp
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bond-slaves none
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bond-primary eth0
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bond-mode active-backup
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bond-miimon 100
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### ### ### C3D2 ### ### ###
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# EOF
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</source>
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wpa_supplicant.conf - WLAN Zugänge definieren
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<source lang=bash>
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sudo vi /etc/wpa_supplicant/wpa_supplicant.conf
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### ### ### C3D2 ### ### ###
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network={
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ssid="C3D2"
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key_mgmt=NONE
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priority=0
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}
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### ### ### C3D2 ### ### ###
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# EOF
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</source>
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Netzwerk neustarten
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<source lang=bash>
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sudo vi /etc/init.d/networking restart
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</source>
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=== FreeBSD: Link Aggregation Control Protocol (LACP) / failover ===
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lagg Kernelmodul laden lassen
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<source lang=bash>
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vi /boot/kernel/loader.conf
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### ### ### C3D2 ### ### ###
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if_lagg_load="YES"
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### ### ### C3D2 ### ### ###
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# EOF
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kldload if_lagg
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</source>
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lacp / lagg0 Network definieren
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<source lang=bash>
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vi /etc/rc.conf
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### ### ### C3D2 ### ### ###
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ifconfig_bge0="up"
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ifconfig_bge0="ether DE:AD:BE:EF:BA:BE"
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wlans_wpi0="wlan0"
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ifconfig_wlan0="WPA"
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ifconfig_wpi0="ether DE:AD:BE:EF:BA:BE"
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ifconfig_lagg0="laggproto failover laggport bge0 laggport wlan0 DHCP"
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ifconfig_lagg0_ipv6="inet6 accept_rtadv"
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ip6addrctl_policy="ipv6_prefer"
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### ### ### C3D2 ### ### ###
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# EOF
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</source>
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wpa_supplicant.conf - WLAN Zugänge definieren
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<source lang=bash>
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vi /etc/wpa_supplicant.conf
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### ### ### C3D2 ### ### ###
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network={
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ssid="C3D2"
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key_mgmt=NONE
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priority=0
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}
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### ### ### C3D2 ### ### ###
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# EOF
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</source>
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Netzwerk neustarten / wahlweise Systemreboot
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<source lang=bash>
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/etc/rc.d/netif restart
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</source>
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== Traffic-Control mit tcpdump ==
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2 Terminals öffnen
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<source lang=bash>
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tcpdump -i eth0/bge0 'icmp'
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tcpdump -i wlan1/wlan0 'icmp'
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</source>
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Jetzt nach Bedarf mal Kabel an & abstecken ... ein laufender ping sollte dabei nicht mehr unterbrochen werden!
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== Log ==
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* 19.06.2014 - Basis Config
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