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OpenNSA feature and configuration description

 

Topology configuration

Configuration the nrm file is typically the most confusing parts of setting up OpenNSA. In short the NRM file defines the ports available through the NSI protocol, as OpenNSA does not make everything available. An NRM is line based and typically looks like this:

# type      name    remote                              label               bandwith    interface   attributes

ethernet    ps      -                                   vlan:1780-1799,2000 1000        em0         user=johndoe@example.org
ethernet    bon     bonaire.net:topology#arb(-in|-out)  vlan:1780-1799      1000        em3         restricttransit
ethernet    cur     curacao.net:topology#arb(-in|-out)  vlan:1780-1799      1000        em3         restricttransit,hostdn=curacao.example.net

Each line describes a port.

  • Type

The port type. Only ethernet is recognized at the moment. Bidirectional is implied here.

  • Name

The name of the port. The port address will be a URN with the network and port name in it.

  • Remote

The network and port the port is connected to. Format:

network#port(-inprefix|-outprefix)

Use '-' if not connected to any network (local termination port).

  • Label

Port configuration options. Only VLANs supported for now. Can specify single values and ranges. Comma seperated.

Use '-' if no labels are to be used (i.e., trunk for vlan).

  • Bandwidth

The available bandwidth on the port (or the bandwidth that is available to OpenNSA).

  • Interface

The port on the corresponding NRM / network equipment.

  • Attributes

 

 

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