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DPS Network Utility

The Network Utility App is a tool for testing network devices and diagnosing issues.

Features

Installation

Supported Platforms

General configuration

Each tab listens for a specific protocol its own ports. Any available port can be used but some protocols have a standard value

Ping/Traceroute uses ICMP and does not require ports. If a port is in use already, a random port will be used instead. Setting the port to 0 will always choose a random port.

Sending messages

The message builder layout will change depending on the protocol type selected. The interval (in milliseconds) and repetition fields allow for repeatedly sending the same message at a regular interval. Repeated messages can be stopped by click the X next to the target IP in bottom left.

Quit sending
Canceling a repeated message.

You can also save a message to send later.

Setting up responses

Automatic replies can be set up for incoming UDP/TCP packets and SNMP requests. UDP/TCP packets can be matched directly from their contents or by a regular expression. SNMP responses are matched by the request OID or optionally a previous OID value for get-next requests.

Saving logs

All traffic logs can be exported to a comma or space delimited log file. The default save location is in the logs folder but can be changed when saving.

UDP/TCP

Send a message over UDP/TCP

Sending a message over UDP
Sending a message over UDP.

Content of the message can be entered as en ASCII string or space seperated hex values. If the protocol is TCP the connection will be closed after sending a message unless Keep TCP connection open is checked. With it checked you can continue sending messages over the same connection.

Set up a UDP/TCP response

UDP response
Setting up a response.
Matching

Active responses are matched against incoming packets. If there are multiple responses set up the first one that matches will be used. Packets can be matched based on

Ascii and hex matches are a simple case insensitive comparision between the raw udp/tcp data and the match string. Regex comparisions will be run against the ascii content with the global and case insensitive flags on. Capture groups in the match string can be used in the response if the response type is regex as well.

SNMP

SNMP GET/SET requests

SNMP Request
Sending a SNMP request.
SNMP Fields

SNMP Traps

Send a Trap
Sending a Trap.
SNMP Fields

Set up a SNMP response

SNMP Response
A SNMP response will be sent when the response OID matches an incoming get or set request. If Previous OID is set then the response will also be sent if a get-next request for the previous OID is received.

DCP

Poll a NetGuardian Unit

DCP Poll
DCP is alarm collection and control protocol used on DPS devices.

Ping and Traceroute

Ping an address

Ping
Pinging an address.

Trace route to an address

Trace Route
Tracing the route to an address.

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