Lantronix ETS16PR User Manual Page 50
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- TROUBLESHOOTING
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Troubleshooting
50
ETS Installation Guide
Area to Check Explanation
The ETS is in the
loadhost’s
/etc/hosts file
The ETS 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 ETS 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 ETS in the same IP network as the host.
RARP Troubleshooting
Table B-5. RARP Troubleshooting
Area to Check Explanation
The ETS name and
hardware address in the
host’s /etc/ethers file
The ETS name and hardware address must
be in this file for the host to answer a RARP
request.
The ETS name and IP
address in the /etc/hosts
file
The ETS name and IP address must be in
this file for the host to answer a RARP
request.
The operating system
Many operating systems do not start a
RARP server at boot time. Check the host’s
RARPD documentation for details, or use
the ps command to see if there is a RARPD
process running.
Entering Commands at the Boot Prompt
If the Boot> prompt appears on the serial console instead of the Local> prompt, one
of two things may be wrong. Either the ETS does not have enough information to
boot, or the network or flash boot has failed. If pressing the Return key does not
display a prompt, press any other key. The Boot> prompt should appear.
If the ETS does not have enough information to boot, or the network or flash boot has
failed, it will print a message to the console and wait ten seconds for serial port
activity. If it detects no serial port activity, it will continue booting provided the flash is
good. However, if the user presses a key during that time period, the ETS will display
the Boot> prompt.
Note: If you see the message “Will attempt another download in x minutes,” press
any key for the Boot> prompt.
A series of commands called Boot Configuration Program (BCP) commands can be
entered at the Boot> prompt to configure the ETS. These commands are a subset of
the entire ETS command set. For example, a typical TCP/IP configuration might use
the following commands:
- ETS Installation Guide 1
- Contacts 2
- Copyright and Trademark 2
- Disclaimer and Revisions 3
- Contents 4
- E: Specifications 60 6
- Supported Serial Protocols 7
- How to Use This Manual 8
- ETSP Product Descriptions 9
- Installing the ETSP 10
- ETSPR Product Descriptions 11
- Installing the ETSPR 12
- Configuration Methods 15
- TCP/IP Configuration 16
- Using a Directed Ping Packet 17
- Console Server Example 19
- Define the Menus 20
- Enable Menu Mode 21
- Configure Switches 21
- Using Menus 22
- Serial Tunnel Example 23
- UDP Configuration 24
- Comm Port Redirector 24
- LPR Printing 25
- (x) enable 29
- LPR on Windows 95/98 32
- LPR on UNIX Hosts 32
- LPR on AIX Hosts 33
- LPR on HP Hosts 34
- LPR on SCO UNIX Hosts 34
- RTEL Functionality 35
- Unix Host Troubleshooting 36
- NDPS Printing 37
- NDS Print Queues 37
- PCONSOLE Print Queues 38
- NetWare Host Troubleshooting 39
- NetWare Configuration 40
- ETS Installation Guide 40
- ETS Installation Guide 41 41
- Printing Directly to a Port 42
- LAT Host Troubleshooting 42
- LAT Configuration 43
- ETS Installation Guide 43 43
- Bitronics 44
- Macintosh Services 44
- AppleTalk Zones 44
- AppleTalk Configuration 45
- ETS Installation Guide 45 45
- DLC Configuration 46
- Power-up Troubleshooting 48
- DHCP Troubleshooting 49
- BOOTP Troubleshooting 49
- RARP Troubleshooting 50
- Ethernet Connector 53
- RJ45 Serial Connectors 53
- RJ45 to DB9 55
- Obtaining Software 56
- Reloading Software 57
- NetWare 58
- Updating Software 59
- ETS Installation Guide 59 59
- Power Information 60
- Environmental Limitations 60
- Conventions 61
- Server Commands 61
- Frequently-Used Commands 62
- ETS Installation Guide 63 63
- Port Commands 64
- Protocol Commands 65
- Declaration of Conformity 67
- Warranty 68
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