anchor.diff:      /routing/v1/router_groups/f7392031-a488-4890-8835-c4a038a3bded
       </pre>
   
  -1. To specify multiple ranges, the value may be a comma-separated list of single ports or ranges of ports, as shown below:
  +1.  To specify multiple ranges, enter a comma-separated list of ports or port ranges. <br>
  +For example:
   
       <pre class="terminal">
       $ cf curl \
  
positive.code:     ]
    </pre>
  
  1. Modify the `reservable_ports` as desired. To specify multiple ranges, the value may be a comma-separated list of single ports or ranges of ports, as shown below:
  
      <pre class="terminal">
      $ cf curl \
  
negative.code: `routing.router_groups.write` scopes.
  
  1. In a terminal window, run `cf curl /routing/v1/router_groups` to view the
  `reservable_ports`. Record the `guid` from the output.<br>
  For example:
    <pre class="terminal">
    $ cf curl /routing/v1/router\_groups
      [
  