If installed in a router, can it see traffic of all devices connected to it or only traffic that originates in the router itself? Perhaps with `direction: all`

If installed in a router, can it see traffic of all devices connected to it or only traffic that originates in the router itself? Perhaps with `direction: all` https://github.com/qpoint-io/qtap/issues/29#issuecomment-2860630107 https://github.com/qpoint-io/qtap/issues/29#issuecomment-286...