Cisco Cisco Prime IP Express 8.3 Technical References

  Examples

 

  Status

 

  See Also
   

 

 

    extension - Integrates user-written DHCP extensions into the DHCP server

  Synopsis

 

    extension list  
    extension listnames
    extension listbrief
    extension <name> create <lang> <file> <entry> [<attribute>=<value>...]
    extension <name> delete 
    extension <name> get <attribute>
    extension <name> set <attribute>=<value> [<attribute>=<value> ...]
    extension <name> unset <attribute> 
    extension <name> show

  Description

 

    The extension command lets you configure extension modules. To
    extend the DHCP server with an extension module, you must do the
    following:
    
    1. Write the extension module in either Tcl, C or C++, and install
    it in the server scripts directory.
    
    2. Configure the DHCP server to recognize this extension, using
    this command. 
    
    3. Attach the configured extension to one or more DHCP script
    points using the dhcp attachExtension command.

  Examples

 

    Create a tcl script, sample1, that does something.
    nrcmd> extension sample1 create tcl sample1.tcl sample_ext

  Status

 

  See Also
   

 
  Attributes
 
 

entry 

 required

 

Identifies the entry point for the module.  This function is
called from any extension point to which this module is bound.

 

file 

 required

Provides the filename relative to the directory extensions in the