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机器A上执行ping:
$ping x.x.x.x
PING x.x.x.x (x.x.x.x) 56(84) bytes of data.
64 bytes from x.x.x.x: icmp_seq=1 ttl=53 time=30.9 ms
64 bytes from x.x.x.x: icmp_seq=2 ttl=53 time=30.8 ms
64 bytes from x.x.x.x: icmp_seq=3 ttl=53 time=30.9 ms
64 bytes from x.x.x.x: icmp_seq=4 ttl=53 time=30.9 ms
机器A上执行ping: $ping x.x.x.x PING x.x.x.x (x.x.x.x) 56(84) bytes of data. 64 bytes from x.x.x.x: icmp_seq=1 ttl=53 time=30.9 ms 64 bytes from x.x.x.x: icmp_seq=2 ttl=53 time=30.8 ms 64 bytes from x.x.x.x: icmp_seq=3 ttl=53 time=30.9 ms 64 bytes from x.x.x.x: icmp_seq=4 ttl=53 time=30.9 ms
在机器A上ping机器B,机器B的ip为x.x.x.x,网络接口为bond0,能够ping通。但是在机器B上用netcap抓包,执行正常无报错,但是没有任何数据输出。
机器A上执行ping:
$ping x.x.x.x
PING x.x.x.x (x.x.x.x) 56(84) bytes of data.
64 bytes from x.x.x.x: icmp_seq=1 ttl=53 time=30.9 ms
64 bytes from x.x.x.x: icmp_seq=2 ttl=53 time=30.8 ms
64 bytes from x.x.x.x: icmp_seq=3 ttl=53 time=30.9 ms
64 bytes from x.x.x.x: icmp_seq=4 ttl=53 time=30.9 ms
机器B上执行netcap抓不到数据包:
sudo ./netcap skb -f icmp_rcv@1 -e "host x.x.x.x" -i bond0
sudo ./netcap skb -f icmp_rcv@1 -e "host x.x.x.x"
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