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NMC-RX 7.3.x User Guide, Vol. 2 > Configuring IP > Creating IP Interfaces

Creating IP Interfaces

Using the NMC-RX application, you can create an IP interface and its IP address(es) at the same time. You can create an IP interface with a(n):

To create a numbered or unnumbered IP address, you need to navigate to the appropriate level (interface, subinterface). There are two ways to navigate to the interface or subinterface level.

Loopback interfaces are created from the system level of the Instance Explorer.

Creating an IP Interface with a Numbered or an Unnumbered IP Address

To create an IP interface with a numbered or an unnumbered IP address:

  1. In the Instance Explorer, navigate to the appropriate link-layer interface or subinterface level.
  2. Click the interface or subinterface.
  3. Right-click, select Create, and click IP Address.

The Create IP Address dialog box appears.
  1. In the IP Major Interface group box, set parameters (Table 37).
    2. 



     Table 37:  IP Major Interface Group Box Parameters 
    

     Parameter
    		

     Description
    		

    

     Name
    
    		

     Identifies the interface; generated automatically
    
    		

    

     Alias
    
    		

     Description of the interface; 0-256 characters; default: blank
    
    		

    

     IfIndex
    
    		

     Identifies the interface on the particular line interface; generated automatically
    
    		

    

     Operational
    
    		

     Current operational status of the interface
    
    		

    

     Administrative
    
    		

     Desired status of the interface: Up/Down; default: Up
    
    		

    

     Category
    
    		

      
  
    •  other
      • 
  
    •  broadcast—Data is sent to all hosts on a particular physical network
      • 
  
    •  pointToPoint—Data is sent to directly connected hosts
      • 
  
    •  nbma—Nonbroadcast multiaccess; data is sent to interconnected hosts but is not broadcast to all hosts on the network
      • 

    
    		

    

     Virtual Router
    
    		

      
  
    •  Virtual router with which you are associating the IP address and IP interface
      • 
  
    •  Displays a list of all the available virtual routers when you click 
. You can then select the virtual router with which you want to associate the IP interface you are creating.
      • 

    
    		

    

     Interface Number
    
    		

     Number associated with the interface; selectable only when creating a loopback address
  2. In the Policy Information group box, select policy names (Table 38). See Chapter 2, Configuring Policy Management for more information.
    3. 



     Table 38:  Policy Information Group Box Parameters  
    

     Parameter
    		

     Description
    		

    

     Policy Information
    
    		

      
  
    •  Input—Applies policy to data arriving at this interface
      • 
  
    •  Output—Applies policy to data leaving this interface
      • 
  
    •  Secondary-Input—Applies policy to secondary data arriving at this interface
      • 

    

     Click 
 and select a policy name from the dialog box.
    

     To enable statistics logging, select the Statistics Enabled check box after selecting a policy name.
  3. In the Address Information group box, select an address type, and do one of the following:
  1. Complete the status settings in the lower portion of the Create IP Address dialog box by clicking the desired setting's checkbox (Table 40).
    2. 



     Table 40:  IP Status Settings  
    

     Status Setting
    		

     Description
    		

    

     Administrative
    
    		

      IP interface is enabled or disabled by the administrator
    
    		

    

     ICMP Redirect
    
    		

     Enables the sending of redirect messages if the software is forced to resend a packet through the same interface on which it was received
    
    		

    

     Direct BCAST
    
    		

     Enables directed broadcast forwarding to physical broadcasts
    
    		

    

     Proxy ARP
    
    		

      
  
    •  Proxy Address Resolution Protocol (ARP); can be enabled only for addresses on top of bridged IP or Ethernet interfaces
      • 
  
    •  Variation of ARP in which an intermediate device (a router, for example) sends an ARP response on behalf of an end node to the requesting host
      • 
  
    •  Can lessen bandwidth use on slow-speed WAN links
      • 
  
    •  ARP is used to map an IP address to a MAC address
      • 

    
    		

    

     IRDP
    
    		

     Enables use of Internet Control Message Protocol (ICMP) Router Discovery Protocol (IRDP) processing on an interface
    
    		

    

     Access Route
    
    		

     Enables use of an access route
  2. Click OK to create the IP interface. You have established an IP interface and IP address over the lower-layer interface.

To create additional IP addresses, see Creating IP Addresses.

Creating an IP Loopback Address

To create an IP loopback address:

  1. In the Instance Explorer, click the System folder.
  2. Right-click, select Create, and click IP Loopback Address.
    3.

The Create IP Address dialog box appears.
  1. Perform Steps 4-8 in Creating an IP Interface with a Numbered or an Unnumbered IP Address.
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