Internet nur über ipv6 erreichbar [gelöst]

[HousyHarry]

Guten Abend allerseits

Bei einer Neuen Installation von Debian testing läuft das Internet nur über ipv6.
Google und Facebook (glücklicherweise auch das Forum) beispielsweise lassen sich öffnen, vieles anderes geht nicht.

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# iwconfig 
eth0      no wireless extensions.

wlan0     IEEE 802.11abgn  ESSID:"tug-77523"  
          Mode:Managed  Frequency:2.462 GHz  Access Point: 84:26:15:67:90:89   
          Bit Rate=72.2 Mb/s   Tx-Power=15 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=66/70  Signal level=-44 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:1  Invalid misc:210   Missed beacon:0

lo        no wireless extensions.

Wo kann ich ipv4 aktivieren?

Gruss Harry

[mat6937]

Wo kann ich ipv4 aktivieren?

Haben die Interfaces auch eine interne IPv4-Adresse? Wie sind die Ausgaben von:

Code: Alles auswählen

ip a
ip r
ip n s

?

[HousyHarry]

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# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
    link/ether 10:1f:74:f0:46:7e brd ff:ff:ff:ff:ff:ff
    inet 169.254.8.102/16 brd 169.254.255.255 scope link eth0:avahi
       valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 08:11:96:00:9b:e0 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.108/24 brd 192.168.1.255 scope global dynamic wlan0
       valid_lft 82259sec preferred_lft 82259sec
    inet6 2a02:1205:5075:28b0:a11:96ff:fe00:9be0/64 scope global noprefixroute dynamic 
       valid_lft 290sec preferred_lft 50sec
    inet6 fe80::a11:96ff:fe00:9be0/64 scope link 
       valid_lft forever preferred_lft forever

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# ip r
default dev eth0  scope link  metric 1002 
default via 192.168.1.1 dev wlan0  proto static  metric 1024 
169.254.0.0/16 dev eth0  proto kernel  scope link  src 169.254.8.102 
192.168.1.0/24 dev wlan0  proto kernel  scope link  src 192.168.1.108 

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# ip n s
fe80::8626:15ff:fe67:9083 dev wlan0 lladdr 84:26:15:67:90:83 router REACHABLE
37.0.86.42 dev eth0  FAILED
52.25.169.254 dev eth0  FAILED
216.58.214.34 dev eth0  FAILED
52.36.147.158 dev eth0  FAILED
52.25.239.122 dev eth0  FAILED
52.89.80.240 dev eth0  FAILED
54.69.17.198 dev eth0  FAILED
172.217.18.110 dev eth0  FAILED
52.24.240.17 dev eth0  FAILED
37.35.104.163 dev eth0  FAILED
52.27.92.252 dev eth0  FAILED
192.168.1.103 dev wlan0 lladdr 00:09:df:98:cb:e9 STALE
172.217.19.163 dev eth0  FAILED
54.148.137.206 dev eth0  FAILED
52.32.202.165 dev eth0  FAILED
52.42.115.213 dev eth0  FAILED
52.43.181.49 dev eth0  FAILED
52.10.49.22 dev eth0  FAILED
172.217.16.142 dev eth0  FAILED
213.186.33.16 dev eth0  FAILED
52.89.48.161 dev eth0  FAILED
52.42.26.69 dev eth0  FAILED
52.38.97.120 dev eth0  FAILED
151.101.129.69 dev eth0  FAILED
54.191.71.231 dev eth0  FAILED
54.191.14.236 dev eth0  FAILED
50.112.138.61 dev eth0  FAILED
213.144.235.196 dev eth0  FAILED
213.144.235.201 dev eth0  FAILED
50.112.172.87 dev eth0  FAILED
213.144.235.195 dev eth0  FAILED
52.34.90.97 dev eth0  FAILED
52.26.2.199 dev eth0  FAILED
213.144.233.252 dev eth0  FAILED
213.144.233.246 dev eth0  FAILED
213.144.233.251 dev eth0  FAILED
193.247.167.16 dev eth0  INCOMPLETE
52.41.220.234 dev eth0  FAILED
93.184.220.29 dev eth0  FAILED
52.88.154.16 dev eth0  FAILED
54.69.9.44 dev eth0  FAILED
172.217.23.99 dev eth0  FAILED
37.0.86.22 dev eth0  FAILED
52.43.240.174 dev eth0  FAILED
52.222.171.76 dev eth0  FAILED
54.200.125.198 dev eth0  FAILED
104.16.41.2 dev eth0  FAILED
94.23.230.213 dev eth0  FAILED
213.144.235.197 dev eth0  FAILED
52.35.8.196 dev eth0  FAILED
52.43.198.160 dev eth0  FAILED
213.144.233.247 dev eth0  FAILED
151.101.193.69 dev eth0  FAILED
54.148.163.250 dev eth0  FAILED
151.101.13.63 dev eth0  FAILED
37.0.86.6 dev eth0  FAILED
52.85.178.215 dev eth0  FAILED
151.101.1.69 dev eth0  FAILED
54.200.62.216 dev eth0  FAILED
52.88.147.203 dev eth0  FAILED
172.217.18.98 dev eth0  FAILED
213.144.235.202 dev eth0  FAILED
217.150.252.33 dev eth0  FAILED
54.72.137.132 dev eth0  FAILED
52.38.179.134 dev eth0  FAILED
213.144.233.244 dev eth0  FAILED
213.144.233.243 dev eth0  FAILED
172.99.89.211 dev eth0  FAILED
54.148.166.184 dev eth0  FAILED
172.217.23.68 dev eth0  FAILED
54.213.123.171 dev eth0  FAILED
52.10.239.169 dev eth0  FAILED
172.217.19.2 dev eth0  FAILED
84.246.8.61 dev eth0  FAILED
37.0.86.46 dev eth0  FAILED
172.217.16.130 dev eth0  FAILED
52.70.44.132 dev eth0  FAILED
52.37.201.150 dev eth0  FAILED
52.26.255.14 dev eth0  FAILED
144.76.154.165 dev eth0  FAILED
172.217.18.99 dev eth0  FAILED
54.68.156.207 dev eth0  FAILED
52.10.94.164 dev eth0  FAILED
192.168.1.103 dev eth0  FAILED
8.23.224.107 dev eth0  FAILED
52.25.207.177 dev eth0  FAILED
193.247.167.11 dev eth0  FAILED
192.168.1.1 dev wlan0 lladdr 84:26:15:67:90:83 STALE
151.101.65.69 dev eth0  FAILED
54.192.203.189 dev eth0  FAILED
52.43.52.166 dev eth0  FAILED
104.16.40.2 dev eth0  FAILED
52.24.153.184 dev eth0  FAILED

[mat6937]

Code: Alles auswählen

# ip r
default dev eth0  scope link  metric 1002 
default via 192.168.1.1 dev wlan0  proto static  metric 1024 
169.254.0.0/16 dev eth0  proto kernel  scope link  src 169.254.8.102 
192.168.1.0/24 dev wlan0  proto kernel  scope link  src 192.168.1.108 

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# ip n s
fe80::8626:15ff:fe67:9083 dev wlan0 lladdr 84:26:15:67:90:83 router REACHABLE
37.0.86.42 dev eth0  FAILED
52.25.169.254 dev eth0  FAILED
...

Was für einen Internetanschluss hast Du bzw. wie ist das eth0-Interface verbunden (weil so viele externe IPv4-Adressen im arp-cache)?

[HousyHarry]

eth0-Interface ist momentan nicht angeschlossen.
Annsonsten gewöhnlicher isdn.

[mat6937]

eth0-Interface ist momentan nicht angeschlossen.

Dann lösche die default route für eth0, lösche den arp-cache und mach einen statischen arp-cache-Eintrag für den Router (als gw) und das dev wlan0.

Kannst Du den Router per ipv4-Ping z. Zt. erreichen:

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ping -c 3 -W 2 192.168.1.1

?

[HousyHarry]

jup

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# ping -c 3 -W 2 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=2.79 ms
64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=2.16 ms
64 bytes from 192.168.1.1: icmp_seq=3 ttl=64 time=2.62 ms

--- 192.168.1.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 2.169/2.530/2.799/0.271 ms

arp-cache löschen

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# ip -s -s neigh flush all
fe80::8626:15ff:fe67:9083 dev wlan0 lladdr 84:26:15:67:90:83 router ref 1 used 255/1/10 probes 1 REACHABLE
192.168.1.103 dev wlan0 lladdr 00:09:df:98:cb:e9 used 2626/2626/2450 probes 1 STALE
192.168.1.1 dev wlan0 lladdr 84:26:15:67:90:83 used 76/75/49 probes 1 STALE

*** Round 1, deleting 3 entries ***
*** Flush is complete after 1 round ***

Wie man den rest macht muss ich später mal nachschlagen gute Nacht

[mat6937]

Wie man den rest macht ...

Z. B.:

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arp -i wlan0 -s 192.168.1.1 84:26:15:67:90:83
route del default dev eth0

[HousyHarry]

That fixed it

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# arp -i wlan0 -s 192.168.1.1 84:26:15:67:90:83
# route del default dev eth0
# service network-manager restart

Danke @mat6937