Technical data

127
last port
If specified, is used with <first port> to specify a range of ports as seen by the remote end for
the server on the LAN.
first private port
If specified, is a port remapping of the incoming request from the remote end.
Example:
system addServer 192.168.1.5 tcp smtp
SYSTEM ADDSNMPFILTER
This command is used to validate SNMP clients by defining a range of IP addresses that are allowed to access the
router via SNMP. This validation feature is
off
by default.
Note 1:
This command does not
require a reboot and is effective immediately.
Note 2:
To list the range of allowed clients, use the command
system list
when logged in with read and write
permission (log in with password).
first ip addr
First IP address of the client range
last ip addr
Last IP address of the client range. May be omitted if the range contains only one IP address.
LAN Local Ethernet LAN
Example:
system addsnmpfilter 192.168.1.5 192.168.1.12
SYSTEM ADDTELNETFILTER
This command is used to validate Telnet clients by defining a range of IP addresses that are allowed to access the
router via Telnet. This validation feature is
off
by default.
Note 1:
This command does not
require a reboot and is effective immediately.
Note 2:
To list the range of allowed clients, use the command
system list
when logged in with read and write
permission (log in with password).
first ip addr
First IP address of the client range
last ip addr
Last IP address of the client range. May be omitted if the range contains only one IP address.
LAN Local Ethernet LAN
Example:
system addtelnetfilter 192.168.1.5 192.168.1.12
SYSTEM ADDUDPRELAY
This command is used to create a UDP port range for packet forwarding. You can specify a port range from 0 to
65535. 137 to 139 are reserved for NetBIOS ports. Overlap of UDP ports is not allowed.
system addSNMPFilter
<first ip addr>
[
<last ip addr>
] | LAN
system addTelnetFilter
<first ip addr>
[
<last ip addr>
] | LAN