Пинги в туннели уходят, но ответов нет.
15:17:17.207547 IP 172.16.0.1 > 172.16.52.52: ICMP echo request, id 4235, seq 2, length 64
15:17:18.231384 IP 172.16.0.1 > 172.16.52.52: ICMP echo request, id 4235, seq 3, length 64
15:17:19.255867 IP 172.16.0.1 > 172.16.52.52: ICMP echo request, id 4235, seq 4, length 64
15:17:20.279403 IP 172.16.0.1 > 172.16.52.52: ICMP echo request, id 4235, seq 5, length 64
15:17:21.303448 IP 172.16.0.1 > 172.16.52.52: ICMP echo request, id 4235, seq 6, length 64
15:17:22.327490 IP 172.16.0.1 > 172.16.52.52: ICMP echo request, id 4235, seq 7, length 64
15:17:23.355522 IP 172.16.0.1 > 172.16.52.52: ICMP echo request, id 4235, seq 8, length 64
15:17:24.375385 IP 172.16.0.1 > 172.16.52.52: ICMP echo request, id 4235, seq 9, length 64
и
15:18:30.967595 IP 172.16.0.1 > 172.16.43.16: ICMP echo request, id 13852, seq 36, length 64
15:18:31.991401 IP 172.16.0.1 > 172.16.43.16: ICMP echo request, id 13852, seq 37, length 64
15:18:33.015378 IP 172.16.0.1 > 172.16.43.16: ICMP echo request, id 13852, seq 38, length 64
15:18:34.039392 IP 172.16.0.1 > 172.16.43.16: ICMP echo request, id 13852, seq 39, length 64
15:18:35.063392 IP 172.16.0.1 > 172.16.43.16: ICMP echo request, id 13852, seq 40, length 64
15:18:36.087448 IP 172.16.0.1 > 172.16.43.16: ICMP echo request, id 13852, seq 41, length 64
15:18:37.111392 IP 172.16.0.1 > 172.16.43.16: ICMP echo request, id 13852, seq 42, length 64
15:18:38.135793 IP 172.16.0.1 > 172.16.43.16: ICMP echo request, id 13852, seq 43, length 64
15:18:39.159406 IP 172.16.0.1 > 172.16.43.16: ICMP echo request, id 13852, seq 44, length 64
Эти устройства точно должны отвечать на пинги? Ничего там не обновилось на них?