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Ping with a packet size exceeding 25152?

When I try to ping with a packet size> 25152, I get 100% packet loss. can someone please help me why this is happening?

ping -c 1 -s 25153 time.nist.gov

--- ntp.glb.nist.gov ping statistics --- 1 transmitted packet, 0 received, 100% packet loss, time 0ms

ping -c 1 -s 25152 time.nist.gov

PING ntp.glb.nist.gov (64.236.96.53) 25152 (25180) bytes of data. 25,160 bytes from dtc-nist01.ntp.aol.com (64.236.96.53): icmp_req = 1 ttl = 45 times = 76.8 ms

--- ntp.glb.nist.gov ping statistics --- 1 transmitted packet, 1 received, 0% packet loss, time 0ms rtt min / avg / max / mdev = 76.887 / 76.887 / 76.887 / 0.000 ms

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2 answers

Like very fast google impressions , you exceed the number of fragments (data) that fit into one package. To support this, you will have to change the configuration on your computer (and possibly remote) to use it.

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No, this is not due to hardware, due to the restriction of the IP address, or it may be due to strangulation of data in the router that you pinged. He will consider large packets as data packets and omit them. If you try small packets, it will never show you any drop, because the device will take into account the input as voice or video.

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Source: https://habr.com/ru/post/1501722/

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