Digi Connect IT 16

Services Configure the device as an NTP server
Digi Connect IT® 16/48 User Guide
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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)>