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ping 本地网络打印机时 TTL 发生变化

tag-icon • tag-icon windows-10 ping tcp
ping 本地网络打印机时 TTL 发生变化

当我使用 cmd 从 win-10 PC 固定本地设备（NW 打印机）时，TTL 会连续从 64 变为 255，然后再变回 64。

请分享此问题的可能原因。见下文。

Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=64
Reply from 192.168.141.10: bytes=32 time<1ms TTL=64
Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=64
Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=64
Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=64
Reply from 192.168.141.10: bytes=32 time<1ms TTL=255
Reply from 192.168.141.10: bytes=32 time<1ms TTL=64
Reply from 192.168.141.10: bytes=32 time<1ms TTL=64

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