HP 800 Series, User Manual

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DHCP Plug-in
Installation Overview
13-5
4. The DHCP Plug-in is configured using confg.xml that resides on the
Windows 2003 Server in c:\WINDOWS\SYSTEM32\DHCP\confg.xml. The
following table 13-1 shows options used in confg.xml:
The following text shows a DHCP plug-in example configuration file with
default values:
<?xml version="1.0" encoding="utf-8" ?>
<dhcpconnector>
<listener failopen="true">
<port>*:4433</port>
Group Item Description
listener
failopen failopen=“true” means that if the NAC 800 DHCP
connection goes down, the DHCP server goes in to
allow
all
mode.
failopen=“false” means that if the NAC 800 DHCP
connection goes down, the DHCP server goes in to
deny
all
mode.
port Specifies the port on which the Dynamic Link Library
(DLL) file should listen for NAC 800 connections.
looprate The rate in seconds at which the DHCP server will check
for a broken connection.
certificates certfile A Privacy Enhanced Mail (PEM) formatted file
containing the server key and certificate along with any
CA trusted entities.
logging location The location to save the DLL’s log file. The log file is an
ASCII file.
level The level of verbosity in the log.
1 - Errors only (logs unexpected behavior, such as
unable
to parse configuration file
)
2 - Errors and warnings (logs mode changes, such as
No
Connection to NAC 800
or
Entering allow all mode
)
3 - Errors, warnings, and information messages (logs
major processing steps, such as
clearing ACL )
4 - Errors, warnings, information, and debug messages
maxsize The size in kB at which the log file should be rotated.
When the maximum size specified is exceeded the
current log file is closed and renamed as
<current file
name> . <integer> .
NOTE: If the current log file is open for reading, Windows
cannot rename the file. In that case, the DLL is unable to
rotate the log file, and attempts to re-open the current
log file and continue logging to it.
Table 13-1. DHCP Plug-in Configuration File Values