In the Solar$-$PuTTY window, select the Router$3$ tab to access the Router$3$ console.

At the frr# prompt, execute the command to enter configuration mode.

At the frr$($config$)$# prompt, execute the command to perform the following route additions:

$172\mathrm{.}30\mathrm{.}0\mathrm{.}0/24$ via $172\mathrm{.}30\mathrm{.}10\mathrm{.}1$

$172\mathrm{.}30\mathrm{.}2\mathrm{.}0/24$ via $172\mathrm{.}30\mathrm{.}20\mathrm{.}1$

Execute the command to return to the original Router$3$ prompt.