H3C Technologies H3C WX3000 Series Unified Switches - Manual (Page 672)

68-3
To do… Use the command… Remarks
Clear statistics about packets forwarded
by UDP Helper
reset udp-helper packet Available in user view
UDP Helper Configuration Example
Cross-Network Computer Search Through UDP Helper
Network requirements
As shown in Figure 68-1 , PC A resides on network segment 192.168.1.0/24 and PC B on
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 68-1 Network diagram for UDP Helper configuration
Configuration procedure
# Enable UDP Helper on Switch A.
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