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FAQ - How to use WebLCT software to manage RTNs with an IP address in a sub-network range different than class A, B or C

Publication Date:  2012-07-25 Views:  42 Downloads:  0
Issue Description
Sometimes due to the DCN network addressing of a customer; it is necessary to assign an IP address which is part of a different sub-network to RTNs. When this situation happens, it is necessary to change some parameters on the WebLCT software of the field clients in order to find the equipments when a search is performed.


Alarm Information
Null.


Handling Process
The procedure is the following:
  1. Start Web LCT
  2. Go to NE Search
  3. Go to Manage Domain and select add


       4. Fill the gaps and click OK

Domain type: GNE IP domain
Domain address: write down the broadcast address of the network segment.


 
  1. Once is created, select the proper domain in the list and make the search



Root Cause
By default the Web LCT include as a search domain the broadcast IP of the main class networks (A, B, C). However, if the equipments have an IP over a range which has been divided into several networks (sub-netting), the WebLCT is not able to find the equipments. Therefore, it is possible to add a new broadcast address and make the search under this configuration in order to reach all equipments.


Suggestions
Below there is an example of the situation and the way to face it:

The customer has the network 10.35.4.0/26, and it asked to use the first subnet for our RTNs:

   Network: 10.35.4.0
   Mask: 26
   Number of networks: 4
   Number of IPs per network: 64
 
SUBNETWORK INITIAL IP FINAL IP
1 0 63
2 64 127
3 128 191
4 192 255
 
Therefore you must add the broadcast address of this segment: 10.35.4.63 and then make the search over this domain to find all the NEs allocated in this sub-network.


END