LS1028A+千兆YT8614H通讯问题

lpcarm

YT8614H在一上电后能正常工作，ping命令操作正常，但是过一会后就会出现Destination Host Unreachable！64 bytes from 192.168.1.9: icmp_seq=263 ttl=64 time=0.708 ms
64 bytes from 192.168.1.9: icmp_seq=264 ttl=64 time=0.564 ms
64 bytes from 192.168.1.9: icmp_seq=265 ttl=64 time=0.586 ms
64 bytes from 192.168.1.9: icmp_seq=266 ttl=64 time=1.55 ms
From 192.168.1.120 icmp_seq=267 Destination Host Unreachable
From 192.168.1.120 icmp_seq=268 Destination Host Unreachable
From 192.168.1.120 icmp_seq=271 Destination Host Unreachable
From 192.168.1.120 icmp_seq=274 Destination Host Unreachable
From 192.168.1.120 icmp_seq=277 Destination Host Unreachable

-----其中192.168.1.9是ubuntu的ip，192.168.1.120是swp0的地址

gggfff

1.您确认一下网线链接是否牢固，您可以用ethtool swp0 查看链接是否稳定
2.主机一段您排查一下是否有防火墙设置的干扰
3.排查是否有其他网络设备与Ubuntu主机发生了IP地址冲突