[Ninux-Wireless] rete mesh con gentoo e fonere, problemi con ipv6
Luca Postregna
luca.postregna a gmail.com
Gio 10 Maggio 2012 18:53:25 CEST
ho aggiunto le seguenti righe ad rc.local:
uci set network.lan.ifname="eth0.1 bat0"
uci delete network.wan
uci commit
ora basta flashare il firmware e riavviare almeno due volte ed il nuovo
nodo è dentro la mesh :D
fiquo.
2012/5/10 Luca Postregna <luca.postregna a gmail.com>
> uhm... forse potrei utilizzare uci in rc.local per aggiungere le cose che
> modifica...ora ci provo!
>
>
> 2012/5/10 Gioacchino Mazzurco <gmazzurco89 a gmail.com>
>
>> E' normale infatti il firmware eigennet fa le cose al secondo boot
>>
>> On 05/10/12 18:25, Luca Postregna wrote:
>> > sembra abbia risolto, avevo scordato di mettere la bat0 nel bridge della
>> > fonera.
>> >
>> > cmq ho notato un comportamento di openwrt che non mi piace molto. sembra
>> > che al primo boot controlli i settings in /etc/config/network ed
>> > /etc/config/wirelss. e se non li piacciono li sovrascrive o li
>> > autocompleta. ad esempio io non ho bisogno dell'interfaccia wan sulle
>> > fonera, e lui me la mette da solo al primo boot. inoltre, sempre al
>> > primo boot non gli piace che abbia la bat0 nel bridge con eth0.1 e la
>> > rimuove da sola. ergo al primo boot devo sistemare le configurazioni e
>> > riavviare di nuovo, poi tutto ok.
>> >
>> >
>> >
>> > 2012/5/9 Luca Postregna <luca.postregna a gmail.com
>> > <mailto:luca.postregna a gmail.com>>
>> >
>> > seguendo il consiglio di gioacchino, ora sul server ho la br0
>> > connessa al router domestico, mentre lato mesh ho semplicemente la
>> > bat0. ancora nessun successo, queste alcune informazioni appena
>> > raccolte dal server (alla fine un ping6 alla fonera connessa in
>> > ethernet)
>> >
>> > redo:~
>> > > ip -6 a s
>> > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436
>> > inet6 ::1/128 scope host
>> > valid_lft forever preferred_lft forever
>> > 2: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000
>> > inet6 fe80::250:fcff:fec0:d980/64 scope link
>> > valid_lft forever preferred_lft forever
>> > 3: eth0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qlen
>> > 1000
>> > inet6 fe80::206:93ff:fe30:317/64 scope link
>> > valid_lft forever preferred_lft forever
>> > 5: bat0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500
>> > inet6 2001:470:7023:2:0:f8d1:114b:2e50/64 scope global
>> > valid_lft forever preferred_lft forever
>> > inet6 fe80::fcd2:91ff:fed9:a5eb/64 scope link
>> > valid_lft forever preferred_lft forever
>> > 6: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500
>> > inet6 2001:470:7023:1:0:f8d1:114b:2e50/64 scope global
>> > valid_lft forever preferred_lft forever
>> > inet6 fe80::206:93ff:fe30:317/64 scope link
>> > valid_lft forever preferred_lft forever
>> > 7: tun: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1280 qlen
>> 500
>> > inet6 2001:5c0:1400:a::701/128 scope global
>> > valid_lft forever preferred_lft forever
>> > 9: vethT6Y51M: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu
>> > 1500 qlen 1000
>> > inet6 fe80::2406:aff:fee2:9f53/64 scope link
>> > valid_lft forever preferred_lft forever
>> >
>> > redo:~
>> > > ip -6 r s
>> > 2001:470:7023:1::/64 dev br0 proto kernel metric 256
>> > 2001:470:7023:2::/64 dev bat0 proto kernel metric 256
>> > 2001:5c0:1400:a::701 dev tun proto kernel metric 256 mtu 1280
>> > rtt 4ms rttvar 6ms cwnd 10
>> > 2000::/3 dev tun metric 1
>> > fe80::/64 dev eth1 proto kernel metric 256
>> > fe80::/64 dev bat0 proto kernel metric 256
>> > fe80::/64 dev eth0 proto kernel metric 256
>> > fe80::/64 dev br0 proto kernel metric 256
>> > fe80::/64 dev tun proto kernel metric 256
>> > fe80::/64 dev vethT6Y51M proto kernel metric 256
>> > ff00::/8 dev eth1 metric 256
>> > ff00::/8 dev bat0 metric 256
>> > ff00::/8 dev eth0 metric 256
>> > ff00::/8 dev br0 metric 256
>> > ff00::/8 dev tun metric 256
>> > ff00::/8 dev vethT6Y51M metric 256
>> > default dev tun metric 1
>> >
>> > redo:~
>> > > batctl o
>> > [B.A.T.M.A.N. adv 2012.1.0, MainIF/MAC: eth1/00:50:fc:c0:d9:80
>> > (bat0)]
>> > Originator last-seen (#/255) Nexthop
>> > [outgoingIF]: Potential nexthops ...
>> > 06:18:84:d0:80:bd 0.569s (245) 00:18:84:d0:55:9c [
>> > eth1]: 00:18:84:d0:55:9c (245)
>> > 00:18:84:d0:55:9c 0.479s (255) 00:18:84:d0:55:9c [
>> > eth1]: 00:18:84:d0:55:9c (255)
>> > 06:18:84:d0:55:9d 0.789s (255) 00:18:84:d0:55:9c [
>> > eth1]: 00:18:84:d0:55:9c (255)
>> >
>> > redo:~
>> > > batctl if
>> > eth1: active
>> >
>> > redo:~
>> > > ping6 -c 3 2001:470:7023:2:0:18:84d0:559c -I bat0
>> > PING
>> > 2001:470:7023:2:0:18:84d0:559c(2001:470:7023:2:0:18:84d0:559c)
>> > 56 data bytes
>> > From 2001:470:7023:2:0:f8d1:114b:2e50 icmp_seq=1 Destination
>> > unreachable: Address unreachable
>> > From 2001:470:7023:2:0:f8d1:114b:2e50 icmp_seq=2 Destination
>> > unreachable: Address unreachable
>> > From 2001:470:7023:2:0:f8d1:114b:2e50 icmp_seq=3 Destination
>> > unreachable: Address unreachable
>> >
>> > --- 2001:470:7023:2:0:18:84d0:559c ping statistics ---
>> > 3 packets transmitted, 0 received, +3 errors, 100% packet loss,
>> > time 1999ms
>> >
>> > dalla mia nubbiaggine penso che ci siano dei problemi di routing, ma
>> > se fossero non capisco quali.
>> >
>> >
>> >
>> > 2012/5/9 Gioacchino Mazzurco <gmazzurco89 a gmail.com
>> > <mailto:gmazzurco89 a gmail.com>>
>> >
>> > Non sono mai riuscito a far funzionare il bridging con bat0 su
>> SO
>> > diversi da openwrt
>> >
>> > On 05/09/12 19:04, Luca Postregna wrote:
>> > > Salve,
>> > > sto cercando di configurare una piccola rete mesh, chissà
>> > forse in
>> > > futuro entrerà a far parte di ninux, ma per ora ancora non
>> > funziona.
>> > >
>> > > Al momento ho a disposizione un server/gateway gentoo ed una
>> > coppia di
>> > > fonera2.0g con openwrt. Per il routing utilizzo batman-adv
>> 2012.1
>> > > (installato su tutti i nodi)e per ora vorrei basare il network
>> > dei nodi
>> > > e tutta la rete solo su ipv6 (se in futuro avrò la necessità
>> > > probabilmente fornirò ipv4 ai client via vpn con tinc). A
>> > tutti i nodi
>> > > gli ipv6 nella 2001:470:7023:2::/64 sono assegnati
>> staticamente.
>> > >
>> > > Questo è un disegno esplicitativo http://ompldr.org/vZG9rYQdella
>> > > seguente configurazione,
>> > >
>> > > *1*. il server con due interfaccie di rete (br1 come wan e br2
>> > per la
>> > > mesh, i bridge mi servono per eventuali macchine virtuali).
>> > Sul server
>> > > la br2 è creata a partire dalla bat0. Sul server gentoo nel
>> > runlevel di
>> > > default ho net.br1, net.br2 e radvd (questo mi serve per
>> > assegnare gli
>> > > ipv6 ai client della mesh, oltre che ai client della rete
>> > domestica).
>> > >
>> > > Di seguito le configurazioni di /etc/conf.d/net:
>> > >
>> > > > cat /etc/conf.d/net
>> > > config_eth0="null"
>> > >
>> > > rc_need_br1="net.eth0"
>> > >
>> > > brctl_br1="setfd 0"
>> > > bridge_br1="eth0"
>> > > config_br1="192.168.1.20/24 <http://192.168.1.20/24>
>> > <http://192.168.1.20/24>
>> > > 2001:470:7023:1::f8d1:114b:2e50/64"
>> > > routes_br1="default via 192.168.1.1"
>> > > dns_servers_br1="192.168.1.1 8.8.8.8"
>> > >
>> > > brctl_br2="setfd 0"
>> > > bridge_br2="bat0"
>> > > config_br2="192.168.2.20/24 <http://192.168.2.20/24>
>> > <http://192.168.2.20/24>"
>> > > config_br2="192.168.2.20/24 <http://192.168.2.20/24>
>> > <http://192.168.2.20/24>
>> > > 2001:470:7023:2::f8d1:114b:2e50/64"
>> > >
>> > > preup (){
>> > > if test $IFACE == "br2"; then
>> > > modprobe batman-adv
>> > > ifconfig eth1 up
>> > > batctl if add eth1
>> > > fi
>> > > return 0
>> > > }
>> > >
>> > >
>> > > e di radvd.conf:
>> > >
>> > > > cat /etc/radvd.conf
>> > > interface br1
>> > > {
>> > > AdvLinkMTU 1452;
>> > > AdvSendAdvert on;
>> > > AdvManagedFlag off;
>> > > AdvOtherConfigFlag off;
>> > > prefix 2001:470:7023:1::/64
>> > > {
>> > > AdvOnLink on;
>> > > AdvAutonomous on;
>> > > AdvRouterAddr off;
>> > > };
>> > > };
>> > >
>> > > interface br2
>> > > {
>> > > AdvLinkMTU 1452;
>> > > AdvSendAdvert on;
>> > > AdvManagedFlag off;
>> > > AdvOtherConfigFlag off;
>> > > prefix 2001:470:7023:2::/64
>> > > {
>> > > AdvOnLink on;
>> > > AdvAutonomous on;
>> > > AdvRouterAddr off;
>> > > };
>> > > };
>> > >
>> > > quindi lo stato della rete ipv6 sul server:
>> > >
>> > > > ip -6 a s
>> > > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436
>> > > inet6 ::1/128 scope host
>> > > valid_lft forever preferred_lft forever
>> > > 2: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen
>> 1000
>> > > inet6 fe80::250:fcff:fec0:d980/64 scope link
>> > > valid_lft forever preferred_lft forever
>> > > 3: eth0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu
>> > 1500 qlen 1000
>> > > inet6 fe80::206:93ff:fe30:317/64 scope link
>> > > valid_lft forever preferred_lft forever
>> > > 5: br1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500
>> > > inet6 2001:470:7023:1:0:f8d1:114b:2e50/64 scope global
>> > > valid_lft forever preferred_lft forever
>> > > inet6 fe80::206:93ff:fe30:317/64 scope link
>> > > valid_lft forever preferred_lft forever
>> > > 6: bat0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu
>> 1500
>> > > inet6 fe80::885b:46ff:fe22:2874/64 scope link
>> > > valid_lft forever preferred_lft forever
>> > > 7: br2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500
>> > > inet6 2001:470:7023:2:0:f8d1:114b:2e50/64 scope global
>> > > valid_lft forever preferred_lft forever
>> > > inet6 fe80::885b:46ff:fe22:2874/64 scope link
>> > > valid_lft forever preferred_lft forever
>> > > 8: tun: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1280
>> > qlen 500
>> > > inet6 2001:5c0:1400:a::51/128 scope global
>> > > valid_lft forever preferred_lft forever
>> > >
>> > >
>> > >
>> > > > ip -6 r s
>> > > 2001:470:7023:1::/64 dev br1 proto kernel metric 256
>> > > 2001:470:7023:2::/64 dev br2 proto kernel metric 256
>> > > 2001:5c0:1400:a::51 dev tun proto kernel metric 256 mtu
>> > 1280
>> > > 2000::/3 dev tun metric 1
>> > > fe80::/64 dev eth0 proto kernel metric 256
>> > > fe80::/64 dev br1 proto kernel metric 256
>> > > fe80::/64 dev eth1 proto kernel metric 256
>> > > fe80::/64 dev bat0 proto kernel metric 256
>> > > fe80::/64 dev br2 proto kernel metric 256
>> > > fe80::/64 dev tun proto kernel metric 256
>> > > ff00::/8 dev eth0 metric 256
>> > > ff00::/8 dev br1 metric 256
>> > > ff00::/8 dev eth1 metric 256
>> > > ff00::/8 dev bat0 metric 256
>> > > ff00::/8 dev br2 metric 256
>> > > ff00::/8 dev tun metric 256
>> > > default dev tun metric 1
>> > >
>> > >
>> > > *2*. entrambe le fonera hanno la stessa configurazione: due
>> > interfaccie
>> > > wifi ap0 ed adhoc0. adhoc0 e eth0.2 sono in pasto a batman-adv
>> > e mi
>> > > fanno la bat0. ap0, eth0.1, e bat0 mi fanno al br-lan. I file
>> di
>> > > configurazione delle due fonera sono identici. Di seguito i
>> > dati presi
>> > > dalla fonA connessa in ethernet al server gentoo:
>> > >
>> > > root a drei:~# cat /etc/config/network
>> > > config 'interface' 'loopback'
>> > > option 'ifname' 'lo'
>> > > option 'proto' 'static'
>> > > option 'ipaddr' '127.0.0.1'
>> > > option 'netmask' '255.0.0.0'
>> > >
>> > > config 'interface' 'lan'
>> > > option 'type' 'bridge'
>> > > option 'proto' 'none'
>> > > option 'accept_ra' '1'
>> > > option 'ifname' 'eth0.1'
>> > >
>> > > config 'interface' 'mesh0'
>> > > option 'ifname' 'adhoc0'
>> > > option 'mtu' '1528'
>> > > option 'proto' 'none'
>> > >
>> > > config 'interface' 'mesh1'
>> > > option 'ifname' 'eth0.2'
>> > > option 'proto' 'none'
>> > >
>> > >
>> > > root a drei:~# cat /etc/config/wireless
>> > > config wifi-device wifi0
>> > > option type atheros
>> > > option channel 11
>> > >
>> > > config wifi-iface
>> > > option device wifi0
>> > > option ifname ap0
>> > > option mode ap
>> > > option network lan
>> > > option ssid kozlicAP
>> > >
>> > > config wifi-iface
>> > > option device wifi0
>> > > option ifname adhoc0
>> > > option mode adhoc
>> > > option network mesh0
>> > > option ssid kozlicMESH
>> > >
>> > >
>> > > root a drei:~# cat /etc/config/batman-adv
>> > > config 'mesh' 'bat0'
>> > > option 'interfaces' 'mesh0 mesh1'
>> > > option 'aggregated_ogms'
>> > > option 'ap_isolation'
>> > > option 'bonding'
>> > > option 'fragmentation'
>> > > option 'gw_bandwidth'
>> > > option 'gw_mode' 'client'
>> > > option 'gw_sel_class'
>> > > option 'log_level'
>> > > option 'orig_interval'
>> > > option 'vis_mode'
>> > >
>> > >
>> > > root a drei:~# cat /etc/rc.local
>> > > #!/bin/sh
>> > >
>> > > IPV6PREFIX="2001:470:7023:2"
>> > > LAN="br-lan"
>> > >
>> > > IPV6=$IPV6PREFIX::$(cat /sys/class/net/eth0/address |awk
>> > -F: '{print
>> > > $1$2":"$3$4":"$5$6}')
>> > > echo $IPV6
>> > >
>> > > ip addr add $IPV6/64 dev $LAN
>> > > ip addr add 192.168.254.1/24 <http://192.168.254.1/24>
>> > <http://192.168.254.1/24> dev $LAN
>> > >
>> > > batman-adv reload
>> > >
>> > > exit 0
>> > >
>> > >
>> > >
>> > > root a drei:~# ip -6 a s
>> > > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436
>> > > inet6 ::1/128 scope host
>> > > valid_lft forever preferred_lft forever
>> > > 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen
>> 1000
>> > > inet6 fe80::218:84ff:fed0:559c/64 scope link
>> > > valid_lft forever preferred_lft forever
>> > > 4: eth0.1 a eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu
>> 1500
>> > > inet6 fe80::218:84ff:fed0:559c/64 scope link
>> > > valid_lft forever preferred_lft forever
>> > > 5: eth0.2 a eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu
>> 1500
>> > > inet6 fe80::218:84ff:fed0:559c/64 scope link
>> > > valid_lft forever preferred_lft forever
>> > > 6: br-lan: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500
>> > > inet6 2001:470:7023:2:0:18:84d0:559c/64 scope global
>> > > valid_lft forever preferred_lft forever
>> > > inet6 fe80::218:84ff:fed0:559c/64 scope link
>> > > valid_lft forever preferred_lft forever
>> > > 8: ap0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500
>> > > inet6 fe80::218:84ff:fed0:559d/64 scope link
>> > > valid_lft forever preferred_lft forever
>> > > 9: adhoc0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1528
>> > > inet6 fe80::418:84ff:fed0:559d/64 scope link
>> > > valid_lft forever preferred_lft forever
>> > >
>> > >
>> > > root a drei:~# ip -6 r s
>> > > 2001:470:7023:2::/64 dev br-lan proto kernel metric 256
>> > mtu 1500
>> > > advmss 1440 hoplimit 0
>> > > fe80::/64 dev eth0 proto kernel metric 256 mtu 1500
>> > advmss 1440
>> > > hoplimit 0
>> > > fe80::/64 dev eth0.1 proto kernel metric 256 mtu 1500
>> > advmss 1440
>> > > hoplimit 0
>> > > fe80::/64 dev br-lan proto kernel metric 256 mtu 1500
>> > advmss 1440
>> > > hoplimit 0
>> > > fe80::/64 dev eth0.2 proto kernel metric 256 mtu 1500
>> > advmss 1440
>> > > hoplimit 0
>> > > fe80::/64 dev ap0 proto kernel metric 256 mtu 1500
>> > advmss 1440
>> > > hoplimit 0
>> > > fe80::/64 dev adhoc0 proto kernel metric 256 mtu 1528
>> > advmss 1468
>> > > hoplimit 0
>> > >
>> > >
>> > > Questa è la situazione di batman sul server:
>> > >
>> > > > batctl o
>> > > [B.A.T.M.A.N. adv 2012.1.0, MainIF/MAC:
>> > eth1/00:50:fc:c0:d9:80 (bat0)]
>> > > Originator last-seen (#/255) Nexthop
>> > [outgoingIF]:
>> > > Potential nexthops ...
>> > > 06:18:84:d0:80:bd 0.393s (232) 00:18:84:d0:55:9c [
>> > eth1]:
>> > > 00:18:84:d0:55:9c (232)
>> > > 00:18:84:d0:55:9c 0.373s (253) 00:18:84:d0:55:9c [
>> > eth1]:
>> > > 00:18:84:d0:55:9c (253)
>> > > 06:18:84:d0:55:9d 0.342s (255) 00:18:84:d0:55:9c [
>> > eth1]:
>> > > 00:18:84:d0:55:9c (255)
>> > >
>> > > Questo è batman sulla fonera connessa in ethernet al server:
>> > >
>> > > root a drei:~# batctl o
>> > > [B.A.T.M.A.N. adv 2012.1.0, MainIF/MAC:
>> > adhoc0/06:18:84:d0:55:9d (bat0)]
>> > > Originator last-seen (#/255) Nexthop
>> > [outgoingIF]:
>> > > Potential nexthops ...
>> > > 00:50:fc:c0:d9:80 0.260s (255) 00:50:fc:c0:d9:80 [
>> > eth0.2]:
>> > > 00:50:fc:c0:d9:80 (255)
>> > > 06:18:84:d0:80:bd 0.280s (233) 06:18:84:d0:80:bd [
>> > adhoc0]:
>> > > 06:18:84:d0:80:bd (233)
>> > >
>> > > Qual'è il problema? I nodi nella 2001:470:7023:2::/64 non si
>> > pingano!
>> > >
>> > > Ogni aiuto è apprezzato.
>> > >
>> > > Saluti,
>> > > LP
>> > >
>> > >
>> > >
>> > >
>> > >
>> > > --
>> > >
>> > > http://luca.postregna.name
>> > > Luca Postregna
>> > >
>> > >
>> > >
>> > > _______________________________________________
>> > > Wireless mailing list
>> > > Wireless a ml.ninux.org <mailto:Wireless a ml.ninux.org>
>> > > http://ml.ninux.org/mailman/listinfo/wireless
>> >
>> >
>> >
>> >
>> > --
>> >
>> > http://luca.postregna.name
>> > Luca Postregna
>> >
>> >
>> >
>> >
>> > --
>> >
>> > http://luca.postregna.name
>> > Luca Postregna
>> >
>>
>
>
>
> --
>
> http://luca.postregna.name
> Luca Postregna
>
>
--
http://luca.postregna.name
Luca Postregna
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