R3303-HP HSR6800 Routers Layer 3 - IP Services Configuration Guide

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Step Command Remarks
4. Enter interface view.
interface interface-type
interface-number
N/A
5. Specify a destination server.
udp-helper server [ vpn-instance
vpn-instance-name ] ip-address
No destination server is
specified by default.
Displaying and maintaining UDP helper
Task Command Remarks
Displays information about packets
forwarded by UDP helper.
display udp-helper server [ interface
interface-type interface-number ] [ | { begin
| exclude | include } regular-expression ]
Available in any view.
Clear UDP helper statistics. reset udp-helper packet Available in user view.
UDP helper configuration example
Network requirements
As shown in Figure 54, configure UDP helper on Router A to forward broadcast packets with UDP
destination port number 55 and destination IP address 255.255.255.255 or 10.110.255.255 to the
destination server 10.2.1.1/16.
Figure 54 Network diagram
Configuration procedure
Make sure Router A can reach the subnet 10.2.0.0/16.
# Enable UDP helper.
<RouterA> system-view
[RouterA] udp-helper enable
# Enable UDP helper to forward broadcast packets with the UDP destination port 55.
[RouterA] udp-helper port 55
# Specify the destination server 10.2.1.1 on GigabitEthernet 2/1/1.
[RouterA] interface GigabitEthernet 2/1/1