Chapter 9: Web Manager Ports Menu Options 79
To configure data buffering for serial ports:
1. Select Expert - Ports - Physical Ports, select a port or ports to modify and click Modify
Selected Ports.
2. Select the Data Buffering tab. The Data Buffering screen appears.
3. Select Enable Data Buffering.
4. From the Destination pull-down menu, choose Local or Remote to specify whether the data
buffer files are stored locally or remotely on a file server.
5. If you chose Local from the Destination pull-down menu, perform the following:
a. Choose Circular or Linear from the Mode pull-down menu.
b. Enter a size larger than 0 in the File Size (Bytes) field. 1024 is the recommended size.
6. If you chose Remote from the Destination pull-down menu, enter the NFS mount point for the
directory where data buffer file is to be stored in the NFS File Path field.
7. Click the Record the timestamp in the data buffering file checkbox to specify whether to
include a timestamp with the data.
8. From the Show Menu pull-down menu, choose Show all options, No, Show data buffering file
only or Show without the erase options.
9. If you checked Buffer to Syslog, enter the IP address of the syslog server in the Syslog Server
field.
10. Choose an option from the Facility Number pull-down menu.
11. Enter the maximum size of the buffer in the Syslog Buffer Size field.
12. Click the radio button next to one of the following options:
a. Buffer Syslog at all times
b. Buffer only when nobody is connected to the port
13. Click Done.
Buffer SysLog at all times As indicated.
Buffer data only when
nobody is connected to
the port
As indicated.
Hostname Discovery Hostname discovery is activated only if data buffering is enabled and the DCD
state is set to Regard (on the Ports - Physical Ports - General screen). The
process of hostname discovery begins when the DSD state changes to ON. An
administrator can configure probe strings and answer strings on the Ports -
Physical Ports - Hostname Discovery screen.
Timout (seconds) Hostname discovery time-out value.
Table 9.7: Expert - Ports - Physical Ports - Data Buffering Fields (Continued)
Field Name Definition
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