User guide

156 Chapter 5. Command Line Interface Reference
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 you are logged in with read and
write permission (be sure to log in with password).
SYSTEM ADDSYSLOGFILTER
Access to the system logging port can be controlled with the following filter command:
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 you are logged in with read and
write permission (log in with password).
system addSNMPFilter <first ip addr> [<last ip addr>] | LAN
Þrst 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 addSyslogFilter <firstipaddr> [<last ip addr>] | LAN
system addTelnetFilter <first ip addr> [<last ip addr>] | LAN
Þrst 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