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MSS User Guide 6: Troubleshooting
6-2
Problem/Message
Error
Remedy
If the OK LED blinks rapidly, the
Flash ROM code may be corrupt.
The MSS passes power-
up diagnostics, but
attempts to download
new Flash ROM code
from a network host.
If you did not request a TFTP boot,
the flash ROM code is corrupt. The
unit will remain in boot mode.
Reboot the unit. If you get the same
message, you will need to reload Flash
ROM. See Reloading Software.
DHCP Troubleshooting
Table 6-2. DHCP Troubleshooting
Area to Check Explanation
DHCP is enabled on the
MSS4 and MSS-VIA.
Use the Change Server DHCP Enabled command. If you manually enter an
IP address, DHCP is automatically disabled.
DHCP is enabled on the
MSS100.
Use the Change DHCP Enabled command. If you manually enter an IP
address, DHCP is automatically disabled.
Make sure the DHCP server
is operational.
Check to see that the DHCP server is on and is functioning correctly.
The MSS gets its IP
address from the DHCP
server.
Refer to the DHCP Manager on your DHCP server for information about
addresses in use. If the DHCP server doesn't list your MSS 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 6-3. 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 MSS is in the loadhost's
/etc/hosts file.
The MSS 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 MSS and host are in the
same IP network.
Some hosts will not allow BOOTP replies across IP networks. Either use a
host running a different operating system or put the MSS in the same IP
network as the host.