Sorry the tcpdump was when ping from laptop. Do you want me to ping from the router whilst tcp-dump from the router?
Ping from router to 8.8.8.8.
root@Teltonika-RUTX09:~# tcpdump -i NORDWG -n -v -s 0 'icmp'
tcpdump: listening on NORDWG, link-type RAW (Raw IP), capture size 262144 bytes
20:39:53.375534 IP (tos 0x0, ttl 64, id 56076, offset 0, flags [DF], proto ICMP (1), length 84)
10.5.0.2 > 8.8.8.8: ICMP echo request, id 25895, seq 0, length 64
20:39:53.414774 IP (tos 0x0, ttl 60, id 0, offset 0, flags [none], proto ICMP (1), length 84)
8.8.8.8 > 10.5.0.2: ICMP echo reply, id 25895, seq 0, length 64
20:39:54.375785 IP (tos 0x0, ttl 64, id 56113, offset 0, flags [DF], proto ICMP (1), length 84)
10.5.0.2 > 8.8.8.8: ICMP echo request, id 25895, seq 1, length 64
20:39:54.415775 IP (tos 0x0, ttl 60, id 0, offset 0, flags [none], proto ICMP (1), length 84)
8.8.8.8 > 10.5.0.2: ICMP echo reply, id 25895, seq 1, length 64
20:39:55.376001 IP (tos 0x0, ttl 64, id 56132, offset 0, flags [DF], proto ICMP (1), length 84)
10.5.0.2 > 8.8.8.8: ICMP echo request, id 25895, seq 2, length 64
20:39:55.414737 IP (tos 0x0, ttl 60, id 0, offset 0, flags [none], proto ICMP (1), length 84)
8.8.8.8 > 10.5.0.2: ICMP echo reply, id 25895, seq 2, length 64
20:39:56.376238 IP (tos 0x0, ttl 64, id 56216, offset 0, flags [DF], proto ICMP (1), length 84)
10.5.0.2 > 8.8.8.8: ICMP echo request, id 25895, seq 3, length 64
20:39:56.413809 IP (tos 0x0, ttl 60, id 0, offset 0, flags [none], proto ICMP (1), length 84)
8.8.8.8 > 10.5.0.2: ICMP echo reply, id 25895, seq 3, length 64
20:39:57.376476 IP (tos 0x0, ttl 64, id 56287, offset 0, flags [DF], proto ICMP (1), length 84)
10.5.0.2 > 8.8.8.8: ICMP echo request, id 25895, seq 4, length 64
20:39:57.413772 IP (tos 0x0, ttl 60, id 0, offset 0, flags [none], proto ICMP (1), length 84)
8.8.8.8 > 10.5.0.2: ICMP echo reply, id 25895, seq 4, length 64
20:39:58.376713 IP (tos 0x0, ttl 64, id 56295, offset 0, flags [DF], proto ICMP (1), length 84)
10.5.0.2 > 8.8.8.8: ICMP echo request, id 25895, seq 5, length 64
20:39:58.418722 IP (tos 0x0, ttl 60, id 0, offset 0, flags [none], proto ICMP (1), length 84)
8.8.8.8 > 10.5.0.2: ICMP echo reply, id 25895, seq 5, length 64
20:40:00.464873 IP (tos 0xc0, ttl 64, id 61092, offset 0, flags [none], proto ICMP (1), length 247)
10.5.0.2 > 103.86.96.100: ICMP 10.5.0.2 udp port 57159 unreachable, length 227
IP (tos 0x0, ttl 64, id 2467, offset 0, flags [none], proto UDP (17), length 219)
103.86.96.100.53 > 10.5.0.2.57159: 39166 5/0/0 avs-alexa-14-eu.amazon.com. CNAME alexa-14.eu.gateway.devices.a2z.com., alexa-14.eu.gateway.devices.a2z.com. CNAME geo.eu.gateway.devices.a2z.com., geo.eu.gateway.devices.a2z.com. CNAME naws-migration-eu.gateway.devices.a2z.com., naws-migration-eu.gateway.devices.a2z.com. CNAME bob-dispatch-prod-eu.amazon.com., bob-dispatch-prod-eu.amazon.com. A 52.94.222.208 (191)
20:40:00.468868 IP (tos 0xc0, ttl 64, id 61093, offset 0, flags [none], proto ICMP (1), length 247)
10.5.0.2 > 103.86.96.100: ICMP 10.5.0.2 udp port 57159 unreachable, length 227
IP (tos 0x0, ttl 64, id 2468, offset 0, flags [none], proto UDP (17), length 219)
103.86.96.100.53 > 10.5.0.2.57159: 39166 5/0/0 avs-alexa-14-eu.amazon.com. CNAME alexa-14.eu.gateway.devices.a2z.com., alexa-14.eu.gateway.devices.a2z.com. CNAME geo.eu.gateway.devices.a2z.com., geo.eu.gateway.devices.a2z.com. CNAME naws-migration-eu.gateway.devices.a2z.com., naws-migration-eu.gateway.devices.a2z.com. CNAME bob-dispatch-prod-eu.amazon.com., bob-dispatch-prod-eu.amazon.com. A 52.94.222.208 (191)
^C
14 packets captured
14 packets received by filter
0 packets dropped by kernel