$5.$ Delete the switch and replace it with a PT$-$Hub $($under Network Devices $>$ Hubs$)$

Reconnect all network cables $($you can use the $$Automatically Choose Connection Type$$ option$)$

From PC$1,$ ping Router$2$s $172\mathrm{.}17\mathrm{.}2\mathrm{.}1$ address again

$6.$ Now look at all $3$ sniffers.

Are any sniffers showing ICMP activity that weren$$t before? Why or why not?