Avaya Troubleshooting Routers Průvodce řešením problémů stáhnout pdf (Strana 45)

Introduction

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If the ping command yields the response “Target does not respond,” the station

you issued the ping from believes it knows how to get to the end node, but never

received a reply to its echo request. In this case, start pinging each node in the path

between the source and destination until you ﬁnd the problem interface.

Refer to Using Technician Interface Software or Managing Routers and BNX

Platforms for detailed instructions on issuing a

ping command.

Using Packet Capture

The Technician Interface Packet Capture tool allows you to ﬁlter, send, capture,

and view packets in hexadecimal format. You can save the data in a Network

General Sniffer format ﬁle, transfer the ﬁle to a network analyzer, and use the

analyzer to parse the data. We recommend that you use Packet Capture to capture

data generated at remote routers, save it in Network General Sniffer format ﬁles,

and use TFTP (Trivial File Transfer Protocol) or FTP (File Transfer Protocol) to

transfer the ﬁles to a site where you can open the ﬁles with a network analyzer.

Appendix B provides detailed instructions on how to use Packet Capture.

Using Inbound Telnet to Access the Technician Interface

Versions 7.60 and higher allow you to use Telnet to establish a Technician

Interface session with a router.

To make Telnet a conﬁgurable option in the Protocols menu, create and enable

TCP (Transmission Control Protocol) and Telnet Server as follows:

1. From the Conﬁguration Manager window, select Protocols➔Global

Protocols➔TCP➔Create TCP.

2. Select Protocols➔Global Protocols➔Telnet Server➔Create Telnet Server.

The Telnet Conﬁguration window appears.

3. Change the settings to the ones you want, or use the default settings, and

click OK.

Note: We strongly recommend that you learn how to establish an inbound

Telnet session with the router in order to troubleshoot problems from a remote

site.

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Avaya Troubleshooting Routers Průvodce řešením problémů Strana 45