Configuring the udp broadcast redirector – Cabletron Systems Cabletron CyberSWITCH CSX400 User Manual

Page 172

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General Configuration Using Local Management

158

CSX400 and CSX400-DC User’s Guide

3.

Use the arrow keys to highlight the SAVE command field at the bottom of the screen and then
press ENTER. The message “SAVED OK” displays.

Configuring the UDP Broadcast Redirector

To locate a server that can provide a particular network service, many IP hosts rely on the use of
LAN broadcasts to send UDP service requests. The UDP port number contained in the broadcast
request packet identifies the service being requested.

Table 23

shows the port numbers and their

corresponding requested services.

The UDP Broadcast Redirector enables you to configure any Routing Services enabled device to
forward the UDP packets that it receives as LAN broadcasts, directly to the appropriate server.
UDP service requests that are sent as LAN broadcasts by clients of applications such as Host
Name, Domain Name, and Bootstrap servers, can be redirected to any server on any network
segment.

To configure the UDP Broadcast Redirector, complete the following steps:

1.

Use the arrow keys to highlight the UDP Port option under System Level Setup.

2.

ENTER the UDP port number of the UDP service request packets that you want to redirect
(refer to

Table 23

) and then press ENTER.

Table 23 UDP Port Numbers

UDP Port #

UDP Services

37

Time

42

Host Name Server

53

Domain Name Server

65

TACACS-Database Service

67

Bootstrap Protocol/Dynamic Host Control Protocol Server

68

Bootstrap Protocol/Dynamic Host Control Protocol Client

69

Trivial File Transfer

137

NETBIOS Name Server

138

NETBIOS Datagram Server

111

Sunrpc (NIS)

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