Lantronix MPS100 LPS1-T & MPS100 - User Guide - Page 51

DHCP Troubleshooting, BOOTP Troubleshooting

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MPS/LPS User Guide B: Troubleshooting DHCP Troubleshooting Table 11: DHCP Troubleshooting Area to Check Explanation DHCP is enabled on the MPS Use the Set Server DHCP Enabled command. If you manually enter an IP address, DHCP is automatically disabled. Be sure the DHCP server Check that the DHCP server is on and is is operational. functioning correctly. The MPS gets its IP address from the DHCP server See the DHCP Manager on your DHCP server for information about addresses in use. If the DHCP server doesn't list your MPS IP address, there may be a problem. BOOTP Troubleshooting If the BOOTP request is failing and you have configured your host to respond to the request, check these areas: Table 12: BOOTP Troubleshooting Area to Check Explanation BOOTP is in your system's /etc/services file BOOTP must be an uncommented line in /etc/services. The MPS is in the The MPS must be in this file for the host to loadhost's /etc/hosts file answer a BOOTP or TFTP request. The download file is in the correct directory and is world- readable The download file must be in the correct directory and world-readable. Specify the complete pathname for the download file in the BOOTP configuration file or add a default pathname to the download filename. The MPS and host are in the same IP network Some hosts do not allow BOOTP replies across IP networks. Use a host running a different operating system or put the MPS in the same IP network as the host. B-3

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MPS/LPS User Guide
B: Troubleshooting
B-3
DHCP Troubleshooting
Table 11:
DHCP Troubleshooting
Area to Check
Explanation
DHCP is enabled on the
MPS
Use the
Set Server DHCP Enabled
command. If you manually enter an IP
address, DHCP is automatically disabled.
Be sure the DHCP server
is operational.
Check that the DHCP server is on and is
functioning correctly.
The MPS gets its IP
address from the DHCP
server
See
the DHCP Manager
on your DHCP
server for information about addresses in
use. If the DHCP server doesn’t list your
MPS IP address, there may be a problem.
BOOTP Troubleshooting
If the BOOTP request is failing and you have configured your host
to respond to the request, check these areas:
Table 12: BOOTP Troubleshooting
Area to Check
Explanation
BOOTP is in your
system’s
/etc/services
file
BOOTP must be an uncommented line in
/etc/services
.
The MPS is in the
loadhost’s /etc/hosts file
The MPS must be in this file for the host to
answer a BOOTP or TFTP request.
The download file is in the
correct directory and is
world- readable
The download file must be in the correct
directory and world-readable. Specify the
complete pathname for the download file
in the BOOTP configuration file or add a
default pathname to the download
filename.
The MPS and host are in
the same IP network
Some hosts do not allow BOOTP replies
across IP networks. Use a host running a
different operating system or put the MPS
in the same IP network as the host.