Avaya Connecting ASN Routers to a Network Manual de usuario descargar pdf (Pagina 89)

Troubleshooting Network Boot Problems

308652-14.00 Rev 00

A-7

Displaying Statistics and Error Messages

Use the Statistics Manager Quick Get tool or the Technician Interface

get

command to display the number of BOOTP and TFTP packets forwarded and

dropped for each interface in the path between the ASN and the BOOTP server.

Use the Events Manager tool or the Technician Interface

log

command

to display

the events associated with the interface and the BOOTP and TFTP protocols.

Refer to Configuring and Managing Routers with Site Manager for instructions on

using the Statistics Manager’s Quick Get tool and the Events Manager. That guide

also describes each event displayed in the log.

Refer to Using Technician Interface Software for instructions on using the

get

and

log

commands.

Using Packet Capture: Guidelines

Use the Packet Capture utility to view incoming or outgoing BOOTP or TFTP

packets and isolate errors to a specific router interface. This utility is available

through the Technician Interface on routers running Version 7.80 (BayStream

Version 5.00) or later.

Refer to Using Technician Interface Software for instructions on how to use

Packet Capture. Refer to Configuring SNMP, RMON, BootP, DHCP, and RARP

Services for a description of BOOTP packets.

Use Packet Capture as follows:

Test the BOOTP server’s next-hop router in the path to the ASN.

Test the upstream router’s interface to the ASN.

Test the upstream router’s interface to the next-hop router.

Test the interfaces that receive and forward the BOOTP and TFTP

packets of the router in the middle of the path.

Continue testing each router in the path until you isolate the problem

interface.

Note:

The instructions that follow assume that Version 7.80 (BayStream

Version 5.00) or later is running on all routers in the path between the ASN and

the BOOTP server.

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Avaya Connecting ASN Routers to a Network Manual de usuario Pagina 89