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120 CHAPTER 5: USING NETWORK PROTOCOL COMMANDS
View
System view
Parameters
port Enter the ID of the UDP port with relay function to be enabled, in the range
of 1 to 65535.
dns Domain name service, 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 configure the UDP port with relay
function.
Use the undo udp-helper enable command to delete the UDP port with relay
function.
Example
To configure the UDP port with relay function as the UDP port corresponding to
DNS, enter the following:
<4500>system-view
System View: return to User View with Ctrl+Z.
[4500]udp-helper port dns
udp-helper server Syntax
udp-helper server ip-address
undo udp-helper server [ ip-address ]
View
VLAN Interface View
Parameter
ip-address Enter the IP address of the destination server.
Description
Use the udp-helper server command to configure the relay destination server.
Use the undo udp-helper server command to delete the relay destination
server.
By default, no relay destination server is configured.