Geht alles einwandfrei auf dem Raspberry Pi…
ubuntu@pihole-ch:~$ ping -c 3 192.168.0.1
PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.
64 bytes from 192.168.0.1: icmp_seq=1 ttl=64 time=1.94 ms
64 bytes from 192.168.0.1: icmp_seq=2 ttl=64 time=1.58 ms
64 bytes from 192.168.0.1: icmp_seq=3 ttl=64 time=2.02 ms
--- 192.168.0.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 1.575/1.844/2.021/0.193 ms
ubuntu@pihole-ch:~$ ping -c 3 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=118 time=16.5 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=118 time=15.7 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=118 time=11.2 ms
--- 8.8.8.8 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2004ms
rtt min/avg/max/mdev = 11.209/14.466/16.457/2.322 ms
ubuntu@pihole-ch:~$ ping -c 3 www.heise.de
PING www.heise.de (193.99.144.85) 56(84) bytes of data.
64 bytes from www.heise.de (193.99.144.85): icmp_seq=1 ttl=244 time=25.5 ms
64 bytes from www.heise.de (193.99.144.85): icmp_seq=2 ttl=244 time=24.3 ms
64 bytes from www.heise.de (193.99.144.85): icmp_seq=3 ttl=244 time=16.2 ms
--- www.heise.de ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2639ms
rtt min/avg/max/mdev = 16.162/21.966/25.459/4.132 ms
Ich bin mir inzwischen nicht mehr sicher, ob es am Router oder dem Client liegt. Denn wenn ich auf dem Raspberry nach DHCP Servern suche, dann meldet sich nur der Router.
ubuntu@pihole-ch:~$ sudo nmap --script broadcast-dhcp-discover -e eth0
Starting Nmap 7.80 ( https://nmap.org ) at 2021-09-08 12:35 CEST
Pre-scan script results:
| broadcast-dhcp-discover:
| Response 1 of 1:
| IP Offered: 192.168.0.57
| DHCP Message Type: DHCPOFFER
| Server Identifier: 192.168.0.1
| IP Address Lease Time: 30m00s
| Subnet Mask: 255.255.255.0
| Router: 192.168.0.1
| Domain Name Server: 62.2.17.61, 62.2.24.158
| Domain Name: home
|_ Default IP TTL: 64
WARNING: No targets were specified, so 0 hosts scanned.
Nmap done: 0 IP addresses (0 hosts up) scanned in 0.90 seconds
Da sollte sich eigentlich auch der Pihole melden. Ausser der Router filtert etwas.