Give, and explain, the path through the network for a packet originating at $128\mathrm{.}100\mathrm{.}11\mathrm{.}1$ with destination $128\mathrm{.}100\mathrm{.}1\mathrm{.}1\mathrm{.}128\mathrm{.}100\mathrm{.}11\mathrm{.}1$