On Sat, 2023-02-18 at 16:56 -0800, Greg Wooledge wrote: > On Sun, Feb 19, 2023 at 08:50:01AM +0800, winnie hw wrote: > > When I ping from a debian system to a host destination, sometimes I > > get the > > duplicated package. What does this mean? > > I believe you mean "duplicate packet". > > One of the possible causes for that would be having two hosts with > the > same IP address on the same network. >
It can also happen when there are two DHCP services active on the same network, like two routers serving DHCP requests which can cause duplicate IP's to be assigned. -- john
