Displaying And Maintaining Udp Helper; Udp Helper Configuration Example; Cross-Network Computer Search Through Udp Helper - 3Com WX3000 Series Operation Manual

Displaying and Maintaining UDP Helper

To do...
Display the UDP broadcast relay
forwarding information of a specified
VLAN interface on the device
Clear statistics about packets
forwarded by UDP Helper

UDP Helper Configuration Example

Cross-Network Computer Search Through UDP Helper

Network requirements
As shown in Figure
192.168.10.0/24; they are connected through Switch A and are routable to each other. It is required to
configure UDP Helper on Switch A, so that PC A can find PC B through computer search. (Broadcasts
with UDP port 137 are used for searching.)
Figure 1-1 Network diagram for UDP Helper configuration
Configuration procedure
# Enable UDP Helper on Switch A.
<SwitchA> system-view
[SwitchA] udp-helper enable
# Configure Switch A to forward broadcasts containing the destination UDP port number 137. (By
default, the device enabled with UDP Helper forwards the broadcasts containing the destination UDP
port number 137.)
[SwitchA] udp-helper port 137
# Specify the destination server IP address on Vlan-interface 1.
[SwitchA] interface vlan-interface 1
[SwitchA-Vlan-interface1] udp-helper server 192.168.10.2
Use the command...
display udp-helper server
[ interface vlan-interface vlan-id ]
reset udp-helper packet
1-1, PC A resides on network segment 192.168.1.0/24 and PC B on
1-3
Remarks
Available in any view
Available in user view