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Home >>Solutions >> Discover and Document Automatically
Discover and Document the Network

Today network managers still use the text description and vision diagramming to document the network. This traditional documenting method has proved to be insufficient due to the increasing complexity of the technology and the unwillingness to spend much time on it by the employee. Enterprise networks is often built and upgraded by different people at different time. A lot of know-how for the network, in today's enterprise environment, is often gone when the key personnel leave. Lacking a good document often leads to lack of good documents and causes the low productivity of new hires and network management consultants.

NetBrain Workstation invents a new method to document the network. This documenting method integrates the network diagram, the network configuration to present the network design and all other information into a new type of network map, Q-map. The network engineer can use Q-map to present a network design or a trouble shooting process. Since Q-map contains full knowledge of all network objects shown in the map, Q-map can be used as a medium for the collaboration and data sharing.

 
Auto discover the network
Before using Q-map to document the network, you are required to create a NetBrain workspace to best represent you network. The workspace includes the topology and a network model to drive Q-map creation and other functions. NetBrain provides auto network discovery to help you easily collect the data from the network and build the model to mirror the network. NetBrain discovery method includes:
  • Parse configuration files to create L3 topology.
  • Use seed router to discover L3 devices (routers, firewalls, IOS switches).
  • Discover devices from a IP subnet address or a range of IP addresses.
  • Auto retrieve CDP, MAC and ARP tables from the network and build L2 connections between devices and switch ports from these data.
 
Document the network via Q-map

NetBrain provides you many ways to create a Q-map automatically. Depending on your requirement, you can create a Q-map:

  • For the path between two end points. You can instruct NetBrain to calculate the path via live SNMP discovery (the current traffic path), cached routing table (the previous traffic path), simulation (the theoretical path) or the shortest path (the shortest path based on graph theory). The path can be a L3 path (only L3 devices along the path) or L2 path (including the switch ports along the path).
  • For a device group. The map includes all devices in this device group and links between these devices. You can use this method to create a site map or a map to present your design, for example, the map for the OSPF backbone.
  • For the trace route. The map is useful to document the troubleshooting process.
  • For a device and its neighbors. You can extend neighbors for either a L3 device or a L2 switch.
NetBrain provides many easily used functions for you to view and edit the map. For example, you can:
  • Zoom in/out to view more/less details
  • Add a note to a device
  • Highlight the routing protocol
  • Highlight LAN segment with the network
  • Read the design note and change it to a note
 
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