Services
Configure the device as an NTP server
Digi Connect IT® 16/48 User Guide
419
5. (Optional) Configure the access control list to limit downstream access to the Connect IT 16/48
device's NTP service.
n
To limit access to specified IPv4 addresses and networks:
(config)> add service ntp acl address end
value
(config)>
Where
value
can be:
l
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 NTP server agent.
Repeat this step to list additional IP addresses or networks.
n
To limit access to specified IPv6 addresses and networks:
(config)> add service ntp acl address6 end
value
(config)>
Where
value
can be:
l
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 NTP server agent.
Repeat this step to list additional IP addresses or networks.
n
To limit access to hosts connected through a specified interface on the Connect IT
16/48 device:
(config)> add service ntp 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
-------------------------------------------
defaultip
Default IP
defaultlinklocal
Default Link-local IP
eth1
ETH1
eth2
ETH2
loopback
Loopback
sfp1
SFP1
sfp2
SFP2
wwan
WWAN
(config)>