Qtech QSW-3300-28F-AC-AC [549/693] No ip helper address global config

Qtech QSW-3300-28F-AC-AC [549/693] No ip helper address global config
IP Helper Commands
Software User Manual
CLI Command Reference
Page 566
Example:
To relay DHCP packets received on any interface to two DHCP servers, 10.1.1.1 and 10.1.2.1,
use the following commands:
(switch)#config
(switch)(config)#ip helper-address 10.1.1.1 dhcp
(switch)(config)#ip helper-address 10.1.2.1 dhcp
Example:
To relay UDP packets received on any interface for all default ports to the server at 20.1.1.1, use
the following commands:
(switch)#config
(switch)(config)#ip helper-address 20.1.1.1
no ip helper-address (Global Config)
Use the no form of the command to delete an IP helper entry. The command no ip helper-address with no
arguments clears all global IP helper addresses.
Parameter Description
server-address The IPv4 unicast or directed broadcast address to which relayed UDP broadcast packets
are sent. The server address cannot be an IP address configured on any interface of the
local router.
dest-udp-port A destination UDP port number from 0 to 65535.
port-name The destination UDP port may be optionally specified by its name. Whether a port is
specified by its number or its name has no effect on behavior. The names recognized are
as follows:
dhcp (port 67)
domain (port 53)
isakmp (port 500)
mobile-ip (port 434)
nameserver (port 42)
netbios-dgm (port 138)
netbios-ns (port 137)
ntp (port 123)
pim-auto-rp (port 496)
rip (port 520)
tacacs (port 49)
tftp (port 69)
time (port 37)
Other ports must be specified by number.
Format
no ip helper-address [server-address [dest-udp-port | dhcp | domain | isakmp | mobile-
ip | nameserver | netbios-dgm | netbios-ns | ntp | pim-auto-rp | rip | tacacs | tftp
| time]
Mode Global Config

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