H3C Technologies H3C SecPath F1000-E - Manual (Page 301)

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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 ip-address
Required.
No destination server is
specified by default.
Displaying and maintaining UDP helper
Task Command Remarks
Display the information of
forwarded UDP packets.
display udp-helper server [ interface
interface-type interface-number ] [ | { begin
| exclude | include } regular-expression ]
Available in any view.
Clear statistics about packets
forwarded.
reset udp-helper packet Available in user view.
UDP helper configuration example
Network requirements
As shown in Figure 171 , the IP address of GigabitEthernet 0/1 of the firewall is 10.110.1.1/16, and the
interface connects to the subnet 10.110.0.0/16.
Configure UDP helper on the firewall 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 171 Network diagram
Configuration procedure
Make sure the firewall can reach the subnet 10.2.0.0/16.
# Enable UDP helper.
<Firewall> system-view
[Firewall] udp-helper enable
# Enable UDP helper to forward broadcast packets with the UDP destination port 55.
[Firewall] udp-helper port 55