我在服务器上有多个接口，但我只能连接其中一个，无法 ping 另一个，我不明白为什么。IP 地址由 dhcp 服务器提供，接口接收它们。唯一可访问的是p10p1。
bond0接收到正确的 IP，但无法访问，也无法使用，因为我尝试过ping -I bond0 whatever但没有任何返回。
有什么建议吗？我迷路了。
这是 ifconfig 输出：
bond0 Link encap:Ethernet HWaddr 3e:6d:0e:b0:27:f9
inet addr:10.194.121.34 Bcast:10.194.121.255 Mask:255.255.255.0
inet6 addr: fe80::3c6d:eff:feb0:27f9/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:21 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:5663 (5.6 KB)
em1 Link encap:Ethernet HWaddr 3e:6d:0e:b0:27:f9
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:2510 (2.5 KB)
Memory:fb320000-fb340000
em2 Link encap:Ethernet HWaddr 3e:6d:0e:b0:27:f9
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:13 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:3153 (3.1 KB)
Memory:fb300000-fb320000
ham0 Link encap:Ethernet HWaddr 7a:79:19:33:bc:e7
inet addr:25.51.188.231 Bcast:25.255.255.255 Mask:255.0.0.0
inet6 addr: 2620:9b::1933:bce7/96 Scope:Global
inet6 addr: fe80::7879:19ff:fe33:bce7/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1404 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:110 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:0 (0.0 B) TX bytes:23639 (23.6 KB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:114 errors:0 dropped:0 overruns:0 frame:0
TX packets:114 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:18316 (18.3 KB) TX bytes:18316 (18.3 KB)
p10p1 Link encap:Ethernet HWaddr a0:36:9f:c0:b9:20
inet addr:10.194.121.35 Bcast:10.194.121.255 Mask:255.255.255.0
inet6 addr: fd69:620:600:121:a236:9fff:fec0:b920/64 Scope:Global
inet6 addr: fdf9:620:600:121:a236:9fff:fec0:b920/64 Scope:Global
inet6 addr: fe80::a236:9fff:fec0:b920/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:20177 errors:0 dropped:0 overruns:0 frame:0
TX packets:1281 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1433816 (1.4 MB) TX bytes:158707 (158.7 KB)
的内容/etc/network/interfaces是
auto lo
iface lo inet loopback
auto em1
iface em1 inet manual
bond-master bond0
auto em2
iface em2 inet manual
bond-master bond0
auto bond0
iface bond0 inet dhcp
hwaddress 3e:6d:0e:b0:27:f9
bond-mode 4
bond-miion 100
bond-lacp-rate 1
bond-slave em1 em2
auto p10p1
iface p10p1 inet dhcp
iptables 规则：
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT udp -- anywhere anywhere multiport dports mdns
ACCEPT tcp -- anywhere anywhere multiport dports 4000
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
编辑
以下是一些tcpdump输出：
listening on bond0, link-type EN10MB (Ethernet), capture size 262144 bytes
16:31:51.519853 LACPv1, length 110
16:31:53.094920 LACPv1, length 110
16:31:58.571537 DTPv1, length 38
16:31:58.571605 78:ba:f9:d4:04:b1 (oui Unknown) > 01:00:0c:00:00:00 (oui Unknown) SNAP, oui Cisco (0x00000c), pid Unknown (0x0003), length 68:
0x0000: aaaa 0300 000c 0003 0000 0000 0100 0ccc ................
0x0010: cccc 78ba f9d4 04b1 0027 aaaa 0300 000c ..x......'......
0x0040: b100 1c00 0000 0100 72bb 416e ........r.An
16:31:59.628587 DTPv1, length 38
16:31:59.628623 54:a2:74:2e:0c:71 (oui Unknown) > 01:00:0c:00:00:00 (oui Unknown) SNAP, oui Cisco (0x00000c), pid Unknown (0x0003), length 68:
0x0000: aaaa 0300 000c 0003 0000 0000 0100 0ccc ................
0x0010: cccc 54a2 742e 0c71 0027 aaaa 0300 000c ..T.t..q.'......
0x0040: 7102 000f 0000 0000 594b c650 q.......YK.P
^C
6 packets captured
6 packets received by filter
0 packets dropped by kernel