Ubuntu 16.04 connection to router works but ping fails

I installed Ubuntu 16.04 and the network seems to be not working. The unity indicator states that the connection is fine. Also my router seems to know about the connection as it says

Host Name   IP-Adresse                          Typ                 Lease Zeit PC-C22F     2a02:8109:8980:6fac::62a02:8109:89  Static  Ethernet    0 

Looking into the information tab, I see that the connection seems to be using IPv6.

Executing ping ubuntu.com returns connect: Network is unreachable. I also can not ping my router.

lscpi -nn | grep Network returns 06:00.0 Ethernet controller [0280]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)

I tried setting IPv6 to ignored, which did not help so far.

ip addr output:

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1     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 2: enp6s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000     link/ether bc:ae:c5:6e:c2:2f brd ff:ff:ff:ff:ff:ff     inet6 2a02:8109:8980:6fac::6/128 scope global dynamic         valid_lft 5182sec preferred_lft 2482sec     inet6 fd00:bc4d:fb7e:c392:aa70:1812:42f3:7ae0/64 scope global noprefixroute dynamic         valid_lft 535425sec preferred_lft 401568sec     inet6 2a02:8109:8980:6fac:2f06:5662:dbed:1c92/64 scope global noprefixroute dynamic         valid_lft 5397sec preferred_lft 2697sec     inet6 fe80::dcf0:fc9a:7cfa:da2c/64 scope link         valid_lft forever preferred_lft forever 3: wlp4s1: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN group default qlen 1000     link/ether e8:de:27:ed:6e:ac brd ff:ff:ff:ff:ff:ff 

ip route has no return.

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Category: networking Time: 2016-07-31 Views: 3

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