def METHOD_NAME(subparsers, parent_parser):
    help_text = 'Shows the peering arrangment of a network'
    parser = subparsers.add_parser(
        'peers',
        help=help_text,
        description='{}.'.format(help_text))
    peers_parsers = parser.add_subparsers(
        title='subcommands',
        dest='peers_command')
    peers_parsers.required = True
    _add_list_parser(peers_parsers, parent_parser)
    _add_graph_parser(peers_parsers, parent_parser)