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# Scripts

## mn-fnss

Usage:

    mn-fnss [mn-options] [--no-relabel] <topology-file>
    mn-fnss (--help | -h)
    mn-fnss (--version | -v)

Options:

    mn-options        Mininet mn options.
    --no-relabel      Do not relabel topology nodes to Mininet conventions.
    -h --help         Show help.
    -v --version      Show version.

Launch Mininet console with an FNSS topology.

This script parses an FNSS topology XML file and launches the Mininet console passing this topology.

This script accepts all the options of Mininet mn script, except for the custom and topo options which are overwritten by this script.

In addition, if the user specifies the mn link option, then all potential link attributes of the topology (e.g. capacity, delay and max queue size) are discarded and values provided with the link attributes are used instead.

Unless the option –no-relabel is provided, this script relabels all nodes of the FNSS topology to match Mininet’s conventions, i.e. each host label starts with h (e.g. h1, h2, h3...) and each switch label starts with s (e.g. s1, s2, s3...).

Unless used to print this help message or version information, this script must be run as superuser.

Example usage:

    $ python
    >>> import fnss
    >>> topo = fnss.two_tier_topology(1, 2, 2)
    >>> fnss.write_topology(topo, 'fnss-topo.xml')
    $ sudo mn-fnss fnss-topo.xml

## fnss-troubleshoot

Usage:

    fnss-troubleshoot [--help | -h]

This script prints debugging information about FNSS dependencies currently installed.

The main purpose of this script is to help users to communicate effectively with developers when reporting an issue.

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