让两个 Linux 虚拟机互相 ping
Getting Two Linux VMs to Ping Each Other
我正在使用带有两个 Linux VM 的 VMWare Workstation 14.1.8：Red Hat 6 和 Red Hat 7。我需要它们能够在 Windows 的主机上相互 ping 通] 10. 我让它们都使用自定义特定虚拟网络（192.168.116 运行ge 中的 VMNet2（仅限主机））进行设置，IP 为：
RH6: 192.168.116.128
RH7: 192.168.116.129
由于某些原因，RH7 可以ping 通RH6，但RH6 无法ping 通RH7。我感觉我的VMWare设置是正确的，问题出在RH6的网络配置上。我可以在 RH6 机器上采取什么步骤来修复网络配置，以便它 ping RH7 虚拟机？
This is what happens when I ping from RH7 to RH6 (success)
And this is what happens when I try to ping from RH6 to RH7
编辑： 添加 RH6 的 tcpdump 输出。因此，RH6 似乎以某种方式看到了 RH7，因为 00:0c:29:51:10:97 是 RH7 VM 的 MAC 地址。
[root@cody-rh6 network-scripts]# tcpdump -ennqti eth0
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49299 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49299 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49299 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49299 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:0c:29:e9:65:f3 > ff:ff:ff:ff:ff:ff, ARP, length 42: Request who-has 192.168.116.129 tell 192.168.116.128, length 28
00:0c:29:51:10:97 > 00:0c:29:e9:65:f3, ARP, length 60: Reply 192.168.116.129 is-at 00:0c:29:51:10:97, length 46
WHERE I STARTED THE PING
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 1, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 2, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 3, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 4, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 5, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 6, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 7, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 8, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 9, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 10, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 11, length 64
00:0c:29:51:10:97 > 01:00:5e:00:00:fb, IPv4, length 160: 192.168.116.129.5353 > 224.0.0.251.5353: UDP, length 118
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 12, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 13, length 64
ENDED PING
00:0c:29:e9:65:f3 > 00:50:56:ff:82:3b, IPv4, length 342: 192.168.116.128.68 > 192.168.116.254.67: UDP, length 300
00:50:56:ff:82:3b > 00:0c:29:e9:65:f3, IPv4, length 342: 192.168.116.254.67 > 192.168.116.128.68: UDP, length 300
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 79: 192.168.116.128.55467 > 192.168.116.1.53: UDP, length 37
00:0c:29:e9:65:f3 > 00:50:56:ff:82:3b, ARP, length 42: Request who-has 192.168.116.254 tell 192.168.116.128, length 28
00:50:56:ff:82:3b > 00:0c:29:e9:65:f3, ARP, length 60: Reply 192.168.116.254 is-at 00:50:56:ff:82:3b, length 46
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, ARP, length 42: Request who-has 192.168.116.1 tell 192.168.116.128, length 28
00:50:56:c0:00:02 > 00:0c:29:e9:65:f3, ARP, length 60: Reply 192.168.116.1 is-at 00:50:56:c0:00:02, length 46
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 79: 192.168.116.128.55467 > 192.168.116.1.53: UDP, length 37
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 91: 192.168.116.128.40800 > 192.168.116.1.53: UDP, length 49
00:0c:29:51:10:97 > 00:50:56:ff:82:3b, IPv4, length 342: 192.168.116.129.68 > 192.168.116.254.67: UDP, length 300
00:50:56:ff:82:3b > 00:0c:29:51:10:97, IPv4, length 342: 192.168.116.254.67 > 192.168.116.129.68: UDP, length 300
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49346 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49346 > 239.255.255.250.1900: UDP, length 174
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 91: 192.168.116.128.40800 > 192.168.116.1.53: UDP, length 49
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49346 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49346 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:0c:29:51:10:97 > 00:50:56:ff:82:3b, ARP, length 60: Request who-has 192.168.116.254 tell 192.168.116.129, length 46
00:50:56:ff:82:3b > 00:0c:29:51:10:97, ARP, length 60: Reply 192.168.116.254 is-at 00:50:56:ff:82:3b, length 46
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 81: 192.168.116.128.35443 > 192.168.116.1.53: UDP, length 39
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 81: 192.168.116.128.35443 > 192.168.116.1.53: UDP, length 39
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 93: 192.168.116.128.56316 > 192.168.116.1.53: UDP, length 51
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 93: 192.168.116.128.56316 > 192.168.116.1.53: UDP, length 51
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 83: 192.168.116.128.52652 > 192.168.116.1.53: UDP, length 41
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, ARP, length 42: Request who-has 192.168.116.1 tell 192.168.116.128, length 28
00:50:56:c0:00:02 > 00:0c:29:e9:65:f3, ARP, length 60: Reply 192.168.116.1 is-at 00:50:56:c0:00:02, length 46
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 83: 192.168.116.128.52652 > 192.168.116.1.53: UDP, length 41
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 83: 192.168.116.128.52898 > 192.168.116.1.53: UDP, length 41
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 83: 192.168.116.128.52898 > 192.168.116.1.53: UDP, length 41
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
从 RH6 路由 table：
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.116.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
虚拟网络编辑器设置：
vmnet2 DHCP 设置（两个虚拟机都设置为使用）：
所以我之前也打算 post RH7 路由 table 但它看起来与 RH6 完全一样:
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.116.0 0.0.0.0 255.255.255.0 U 0 0 0 ens37
这是我从 RH6 ping 时 RH7 tcpdump 的样子：
[root@localhost groberts]# tcpdump -ennqti ens37
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on ens37, link-type EN10MB (Ethernet), capture size 262144 bytes
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 1, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 2, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 3, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 4, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 5, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, ARP, length 60: Request who-has 192.168.116.129 tell 192.168.116.128, length 46
00:0c:29:51:10:97 > 00:0c:29:e9:65:f3, ARP, length 42: Reply 192.168.116.129 is-at 00:0c:29:51:10:97, length 28
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 6, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 7, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 8, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 9, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 10, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 11, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 12, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 13, length 64
最终编辑：看来防火墙是罪魁祸首。我 运行 "service firewalld stop" 并且 RH6 现在从 RH7 收到 ping：
看来防火墙是罪魁祸首。我 运行 "service firewalld stop" 并且 RH6 现在收到来自 RH7 的 ping。
我正在使用带有两个 Linux VM 的 VMWare Workstation 14.1.8：Red Hat 6 和 Red Hat 7。我需要它们能够在 Windows 的主机上相互 ping 通] 10. 我让它们都使用自定义特定虚拟网络（192.168.116 运行ge 中的 VMNet2（仅限主机））进行设置，IP 为：
RH6: 192.168.116.128
RH7: 192.168.116.129
由于某些原因，RH7 可以ping 通RH6，但RH6 无法ping 通RH7。我感觉我的VMWare设置是正确的，问题出在RH6的网络配置上。我可以在 RH6 机器上采取什么步骤来修复网络配置，以便它 ping RH7 虚拟机？
This is what happens when I ping from RH7 to RH6 (success)
And this is what happens when I try to ping from RH6 to RH7
编辑： 添加 RH6 的 tcpdump 输出。因此，RH6 似乎以某种方式看到了 RH7，因为 00:0c:29:51:10:97 是 RH7 VM 的 MAC 地址。
[root@cody-rh6 network-scripts]# tcpdump -ennqti eth0
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.60171 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.60172 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49299 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49299 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49299 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49299 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.57945 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.57946 > ff02::c.3702: UDP, length 656
00:0c:29:e9:65:f3 > ff:ff:ff:ff:ff:ff, ARP, length 42: Request who-has 192.168.116.129 tell 192.168.116.128, length 28
00:0c:29:51:10:97 > 00:0c:29:e9:65:f3, ARP, length 60: Reply 192.168.116.129 is-at 00:0c:29:51:10:97, length 46
WHERE I STARTED THE PING
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 1, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 2, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 3, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 4, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 5, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 6, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 7, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 8, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 9, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 10, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 11, length 64
00:0c:29:51:10:97 > 01:00:5e:00:00:fb, IPv4, length 160: 192.168.116.129.5353 > 224.0.0.251.5353: UDP, length 118
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 12, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 59971, seq 13, length 64
ENDED PING
00:0c:29:e9:65:f3 > 00:50:56:ff:82:3b, IPv4, length 342: 192.168.116.128.68 > 192.168.116.254.67: UDP, length 300
00:50:56:ff:82:3b > 00:0c:29:e9:65:f3, IPv4, length 342: 192.168.116.254.67 > 192.168.116.128.68: UDP, length 300
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 79: 192.168.116.128.55467 > 192.168.116.1.53: UDP, length 37
00:0c:29:e9:65:f3 > 00:50:56:ff:82:3b, ARP, length 42: Request who-has 192.168.116.254 tell 192.168.116.128, length 28
00:50:56:ff:82:3b > 00:0c:29:e9:65:f3, ARP, length 60: Reply 192.168.116.254 is-at 00:50:56:ff:82:3b, length 46
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, ARP, length 42: Request who-has 192.168.116.1 tell 192.168.116.128, length 28
00:50:56:c0:00:02 > 00:0c:29:e9:65:f3, ARP, length 60: Reply 192.168.116.1 is-at 00:50:56:c0:00:02, length 46
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 79: 192.168.116.128.55467 > 192.168.116.1.53: UDP, length 37
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 91: 192.168.116.128.40800 > 192.168.116.1.53: UDP, length 49
00:0c:29:51:10:97 > 00:50:56:ff:82:3b, IPv4, length 342: 192.168.116.129.68 > 192.168.116.254.67: UDP, length 300
00:50:56:ff:82:3b > 00:0c:29:51:10:97, IPv4, length 342: 192.168.116.254.67 > 192.168.116.129.68: UDP, length 300
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49346 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49346 > 239.255.255.250.1900: UDP, length 174
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 91: 192.168.116.128.40800 > 192.168.116.1.53: UDP, length 49
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49346 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 216: 192.168.116.1.49346 > 239.255.255.250.1900: UDP, length 174
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:0c:29:51:10:97 > 00:50:56:ff:82:3b, ARP, length 60: Request who-has 192.168.116.254 tell 192.168.116.129, length 46
00:50:56:ff:82:3b > 00:0c:29:51:10:97, ARP, length 60: Reply 192.168.116.254 is-at 00:50:56:ff:82:3b, length 46
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 81: 192.168.116.128.35443 > 192.168.116.1.53: UDP, length 39
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.49348 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.49349 > ff02::c.3702: UDP, length 656
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 81: 192.168.116.128.35443 > 192.168.116.1.53: UDP, length 39
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 93: 192.168.116.128.56316 > 192.168.116.1.53: UDP, length 51
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 93: 192.168.116.128.56316 > 192.168.116.1.53: UDP, length 51
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 83: 192.168.116.128.52652 > 192.168.116.1.53: UDP, length 41
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, ARP, length 42: Request who-has 192.168.116.1 tell 192.168.116.128, length 28
00:50:56:c0:00:02 > 00:0c:29:e9:65:f3, ARP, length 60: Reply 192.168.116.1 is-at 00:50:56:c0:00:02, length 46
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 83: 192.168.116.128.52652 > 192.168.116.1.53: UDP, length 41
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 83: 192.168.116.128.52898 > 192.168.116.1.53: UDP, length 41
00:0c:29:e9:65:f3 > 00:50:56:c0:00:02, IPv4, length 83: 192.168.116.128.52898 > 192.168.116.1.53: UDP, length 41
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > ff:ff:ff:ff:ff:ff, IPv4, length 92: 192.168.116.1.137 > 192.168.116.255.137: UDP, length 50
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
00:50:56:c0:00:02 > 33:33:00:00:00:0c, IPv6, length 718: fe80::456e:a615:2dbc:c4bf.52566 > ff02::c.3702: UDP, length 656
00:50:56:c0:00:02 > 01:00:5e:7f:ff:fa, IPv4, length 698: 192.168.116.1.52565 > 239.255.255.250.3702: UDP, length 656
从 RH6 路由 table：
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.116.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
虚拟网络编辑器设置：
vmnet2 DHCP 设置（两个虚拟机都设置为使用）：
所以我之前也打算 post RH7 路由 table 但它看起来与 RH6 完全一样:
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.116.0 0.0.0.0 255.255.255.0 U 0 0 0 ens37
这是我从 RH6 ping 时 RH7 tcpdump 的样子：
[root@localhost groberts]# tcpdump -ennqti ens37
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on ens37, link-type EN10MB (Ethernet), capture size 262144 bytes
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 1, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 2, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 3, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 4, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 5, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, ARP, length 60: Request who-has 192.168.116.129 tell 192.168.116.128, length 46
00:0c:29:51:10:97 > 00:0c:29:e9:65:f3, ARP, length 42: Reply 192.168.116.129 is-at 00:0c:29:51:10:97, length 28
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 6, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 7, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 8, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 9, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 10, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 11, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 12, length 64
00:0c:29:e9:65:f3 > 00:0c:29:51:10:97, IPv4, length 98: 192.168.116.128 > 192.168.116.129: ICMP echo request, id 36126, seq 13, length 64
最终编辑：看来防火墙是罪魁祸首。我 运行 "service firewalld stop" 并且 RH6 现在从 RH7 收到 ping：
看来防火墙是罪魁祸首。我 运行 "service firewalld stop" 并且 RH6 现在收到来自 RH7 的 ping。