Avaya Connecting ASN Routers to a Network Manual de usuario descargar pdf (Pagina 93)

Troubleshooting Network Boot Problems

308652-14.00 Rev 00

A-11

(

config

is the name of the configuration file.) Otherwise, the change is lost when

you boot the ASN.

Debugging the BOOTP Server

Debug the BOOTP server as follows:

Enter the following command at the UNIX command line:

bootpd -s -d -d&

The bootpd debugger tool reads the /etc/bootptab file and generates the

/etc/bootpd.dmp file. The /etc/bootpd.dmp file contains the portion of the

/etc/bootptab file that the bootpd debugger could read successfully. The

debugger displays messages such as the following:

[1] 12914

hostname:/etc> reading "/etc/bootptab"

read 19 entries from "/etc/bootptab"

dumped 19 entries to "/etc/bootpd.dump".

Compare the

bootptab

file to the

bootpd.dmp

file.

If the bootpd.dmp file is truncated or is otherwise different from the bootptab

file, BOOTPD may have encountered a syntax error. Find the inconsistency in

the two files.

Compare the inconsistency in the

bootptab

file to the sample

bootptab

file

in Figure 2-1 and correct the error.

If you cannot find an inconsistency, boot the ASN and view the

bootpd

debugger messages to determine the cause of the error.

The sample messages in Table A-1

show the sequence of messages when a

BOOTP exchange is successful.

Note:

If you have not set up the network to Netboot the configuration file, an

ASN’s attempt to get the file over the network will continue for approximately

4 minutes; then the ASN will local boot the file. However, if your primary

interest is Local Boot for routine startups, you can avoid this long wait by

specifying

bconfig config local

after the Technician Interface screen

activates.

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