Digi LR54 User Manual page 248

Serial port
iv. Set the port number of the remote site to which data should be sent:
(config serial port1 udp destination 0)> port port
(config serial port1 udp destination 0)>
15. (Optional) Configure access control:
a. Return to the root configuration prompt by typing ...:
(config serial port1 udp destination 0)> ...
(config)>
b. Set the Access Control List:
n
n
n
LR54 User Guide
To limit access to specified IPv4 addresses and networks:
(config)> add serial port1 udp acl address end value
(config)>
Where value can be:
A single IP address or host name.
l
A network designation in CIDR notation, for example, 192.168.1.0/24.
l
any: No limit to IPv4 addresses that can access the service-type.
l
Repeat this step to list additional IP addresses or networks.
To limit access to specified IPv6 addresses and networks:
(config)> add serial port1 udp acl address6 end value
(config)>
Where value can be:
A single IP address or host name.
l
A network designation in CIDR notation, for example, 2001:db8::/48.
l
any: No limit to IPv6 addresses that can access the service-type.
l
Repeat this step to list additional IP addresses or networks.
To limit access to hosts connected through a specified interface on the LR54 device:
(config)> add serial port1 udp acl interface end value
(config)>
Where value is an interface defined on your device.
Display a list of available interfaces:
Use ... network interface ? to display interface information:
(config)> ... network interface ?
Interfaces
Additional Configuration
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defaultip
Configure UDP serial mode
Default IP
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