3Com Switch 7750 Configuration Guide Guide

UDP-Helper Configuration Example 677
UDP-Helper
Configuration
Example
Network requirements The IP address of VLAN 1 interface is 10.110.1.1/16. The VLAN interface is
connected to the network segment 10.110.0.0/16. Configure to forward the
broadcast UDP packets whose destination UDP port number is 55 to the server
with its IP address being 202.38.1.2/24.
Network diagram Figure 171 Network diagram for UDP-Helper configuration
Configuration procedure
n
This example assumes that the port through which the route between the switch
and the network segment 202.38.1.0/24 is reachable.
# Enable UDP-Helper.
<SW7750> system-view
[SW7750] udp-helper enable
# Configure port 55 as a UDP-Helper destination port.
Table 534 Display and debug UDP-Helper
Operation Command Description
Display the information about
the destination servers and
the number of the packets
forwarded to each destination
server
display udp-helper server [
interface vlan-interface
vlan-id ]
You can use the display
command in any view
Clear the statistics about
packets forwarded by
UDP-Helper
reset udp-helper packet
You can use the reset
command in user view
Enable debugging for
UDP-Helper
debugging udp-helper {
event | packet [ receive |
send ] }
You can use the debugging
command in user view
Ethernet
Et hernet
Inte rn et
Switch ( UDP Helper )
10.110.0.0/16
Server
202.38.1.2/24
10.110.1.1/16
202.38.1.0/24
Ethernet
Et hernet
Inte rn et
Switch ( UDP Helper )
10.110.0.0/16
Server
202.38.1.2/24
10.110.1.1/16
202.38.1.0/24