Huawei Quidway S3900 Series - Page 870

Command Manual – UDP Helper
Quidway S3900 Series Ethernet Switches-Release 1510
Chapter 1
UDP Helper Configuration Commands
Huawei Technologies Proprietary
1-3
Parameter
port-number: Port number whose UDP packets are to be forwarded, in the range 1 to
65535 (except for 67 and 68).
dns: Domain name system, corresponding to UDP port 53.
netbios-ds: NetBios datagram service, corresponding to UDP port 138.
netbios-ns: NetBios name service, corresponding to UDP port 137.
tacacs: TAC access control system, corresponding to UDP port 49.
tftp: Trivial file transfer protocol, corresponding to UDP port 69.
time: Time service, corresponding to UDP port 37.
Description
Use the udp-helper port command to specify the UDP port whose UDP broadcast
packets are to be forwarded.
Use the undo udp-helper port command to cancel the configuration.
Example
# Specify port 651 to be the UDP port to forward UDP broadcast packets.
<Quidway> system-view
System View: return to User View with Ctrl+Z.
[Quidway] udp-helper port dns 651
1.1.5 udp-helper server
Syntax
udp-helper server ip-address
undo udp-helper server [ ip-address ]
View
VLAN interface view
Parameter
ip-address: IP address of the destination server, in dotted decimal notation.
Description
Use the udp-helper server command to specify the destination server for the UDP
broadcast packets to be forwarded.
Use the undo udp-helper server [ ip-address ] command to delete the destination
server for the UDP broadcast packets to be forwarded.