Это вывод tcpdump пинга вашего адреса 172.16.27.40:
19:24:33.365664 IP 172.16.0.1 > 172.16.27.40: ICMP echo request, id 12888, seq 1, length 64
19:24:34.318598 IP 172.16.0.1 > 172.16.27.40: ICMP echo request, id 12888, seq 2, length 64
19:24:34.376679 IP 172.16.0.1 > 172.16.27.40: ICMP echo request, id 12888, seq 2, length 64
19:24:35.326704 IP 172.16.0.1 > 172.16.27.40: ICMP echo request, id 12888, seq 3, length 64
19:24:35.369940 IP 172.16.0.1 > 172.16.27.40: ICMP echo request, id 12888, seq 3, length 64
19:24:36.334645 IP 172.16.0.1 > 172.16.27.40: ICMP echo request, id 12888, seq 4, length 64
19:24:36.375860 IP 172.16.0.1 > 172.16.27.40: ICMP echo request, id 12888, seq 4, length 64
Это вывод пинга вашего адреса 192.168.88.1
19:26:16.990716 IP 172.16.0.1 > 192.168.88.1: ICMP echo request, id 22436, seq 1, length 64
19:26:17.038574 IP 192.168.88.1 > 172.16.0.1: ICMP echo reply, id 22436, seq 1, length 64
19:26:17.990222 IP 172.16.0.1 > 192.168.88.1: ICMP echo request, id 22436, seq 2, length 64
19:26:18.045949 IP 192.168.88.1 > 172.16.0.1: ICMP echo reply, id 22436, seq 2, length 64
19:26:18.991066 IP 172.16.0.1 > 192.168.88.1: ICMP echo request, id 22436, seq 3, length 64
19:26:19.038178 IP 192.168.88.1 > 172.16.0.1: ICMP echo reply, id 22436, seq 3, length 64
19:26:19.991354 IP 172.16.0.1 > 192.168.88.1: ICMP echo request, id 22436, seq 4, length 64
19:26:20.079104 IP 192.168.88.1 > 172.16.0.1: ICMP echo reply, id 22436, seq 4, length 64
19:26:20.992272 IP 172.16.0.1 > 192.168.88.1: ICMP echo request, id 22436, seq 5, length 64
19:26:21.037657 IP 192.168.88.1 > 172.16.0.1: ICMP echo reply, id 22436, seq 5, length 64
Разница налицо - Микротик не отвечает reply на пинги по адресу 172.16.27.40