Services
Configure the device as an NTP server
Digi Connect IT® 16/48 User Guide
417
n
To limit access to specified IPv6 addresses and networks:
a. Click
IPv6 Addresses
.
b. For
Add Address
, click
.
c. For
Address
, enter the IPv6 address or network that can access the device's NTP
service. Allowed values are:
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 service.
d. Click
again 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:
a. Click
Interfaces
.
b. For
Add Interface
, click
.
c. For
Interface
, select the appropriate interface from the dropdown.
d. Click
again to allow access through additional interfaces.
n
To limit access based on firewall zones:
a. Click
Zones
.
b. For
Add Zone
, click
.
c. For
Zone
, select the appropriate firewall zone from the dropdown.
See
for information about firewall zones.
d. Click
again to allow access through additional firewall zones.
Note
By default, the access control list for the NTP service is empty, which means that all
downstream hosts connected to the Connect IT 16/48 device can use the NTP service.
6. (Optional) Add upstream NTP servers that the device will use to synchronize its time. The
default setting is
time.devicecloud.com
.
n
To change the default value of the NTP server:
a. Click
NTP servers
.
b. For
Server
, type a new server name.
n
To add an NTP server:
a. Click
NTP servers
.
b. For
Add Server
, click
.
c. For
Server
, enter the hostname of the upstream NTP server that the device will use
to synchronize its time.
d. Click
to add additional NTP servers. If multiple servers are included, servers are
tried in the order listed until one succeeds.
Note
This list is synchronized with the list of servers included with NTP client configuration,
and changes made to one will be reflected in the other. See
for
more information about NTP client configuration.
7. (Optional) Configure the system time zone. The default is
UTC
.
Содержание Connect IT 16
Страница 1: ...Digi Connect IT 16 48 User Guide Firmware version 21 2 ...
Страница 157: ...Interfaces Bridging Digi Connect IT 16 48 User Guide 157 8 Click Apply to save the configuration and apply the change ...
Страница 440: ...Services Configure the ping responder service Digi Connect IT 16 48 User Guide 440 iperf Done ...