Chapter 4 Capturing and Decoding Packet Data

Files

The Error Scan screen is shown in Figure 4-6.

Figure 4-6 Error Scan Screen

The fields are described in Table 4-8.

Table 4-8

Error Scan Screen Descriptions

 

 

 

Field

 

Description

 

 

 

Packet ID

 

ID of the packet in the capture file.

 

 

 

Protocol

 

Protocol the packet arrived on.

 

 

 

Severity

 

Warn: Warning; for example, an application returned an unusual error

 

 

code

 

 

Error: A serious problem, such as malformed packets

 

 

 

Group

 

Checksum: A checksum was invalid

 

 

Sequence: Protocol sequence is problematic

 

 

Response Code: Problem with the application response code

 

 

Request Code: An application request

 

 

Undecoded: Dissector incomplete or data can’t be decoded

 

 

Reassemble: Problems while reassembling

 

 

Malformed: Malformed packet or dissector has a bug; dissection of this

 

 

packet aborted

 

 

 

Description

 

Description of the error or warning

 

 

 

Downloading Capture Files

The following procedure describes how to download a capture file to your computer. You can only download one capture file at a time.

Step 1 Choose Capture > Packet Capture/Decode > Files.

 

User Guide for the Cisco Network Analysis Module (NAM) Traffic Analyzer, 5.0

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Cisco Systems 5, NAM manual Downloading Capture Files, Choose Capture Packet Capture/Decode Files