Cabletron Systems HSIM-W6 Manual De Usuario

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Chapter 7: General Configuration Using Local Management
148
HSIM-W6 User’s Guide
Enabling IP Forwarding on a Port
By default, IP Forwarding is disabled on each router port. Your device will not begin forwarding IP 
data packets on any router port until you enable IP Forwarding on that port.
To enable IP Forwarding on a router port, complete the following steps:
1.
Use the arrow keys to highlight the IP Forwarding field.
2.
Use the ENTER key to toggle the entry to ENABLED.
3.
Use the arrow keys to highlight the SAVE command at the bottom of the screen and then press 
ENTER. The message “SAVED OK” displays.
Configuring the UDP Broadcast Redirector
In order 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. 
 shows the port numbers 
and their corresponding requested services.
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)