Configuring Ntp Over Anycast (Ospf Ipv4) - Safran SecureSync 2400 User Manual

2.15 Configure NTP

2.15.12.2 Configuring NTP over Anycast (OSPF IPv4)

To setup the NTP over Anycast functionality, using OSPF IPv4:
1. Confirm that your existing network infrastructure is Anycast capable, and
2. In the SecureSync Web UI, navigate to
3. In the
4. In the
5. On the
6. Configure the
7. Select the port to associate the Anycast service with (depending on the
8. In the
9. On the
10. Setup the OSPF area.
11. Click Submit.
12. Select the port address to associate the
13. Next, specify the maximum
138
Note: NTP over Anycast is not compatible with DHCP, as it is
designed to be used with static addresses only.
Note: IMPORTANT: For Anycast to function, SecureSync must be in
sync to a valid reference, or to itself.
uses OSPF Version 2 (IPv4). Determine the OSPF area.
Setup.
Actions Panel, click
NTP Anycast window, select the
General tab, select
Anycast Address
option card configuration of your unit, there may be only ETH0 available).
NTP Anycast window, navigate to the
OSPF tab, check Enable.
there may be multiple addresses on a single port), and click Submit. If no
addresses appear, an IP address must be added to the port (see
Ports" on page 76).
Holdover Timeout value. These two parameters determine SecureSync's
accuracy "tolerance window": A small window will cause SecureSync to
deliver a more accurate time window, but also will cause it to quickly with-
draw from the Anycast server pool, i.e. declare itself an invalid reference.
(For more information about TFOM, see
page 252.)
MANAGEMENT
NTP over Anycast.
General
IPv4 as the IP Version.
to be used.
OSPF
Anycast
TFOM Setting (Time Figure of Merit), and the
"Configuring the Oscillator" on
CHAPTER •
2 SecureSync 2400 User Manual Rev. 5.2
> Network >
tab.
tab.
service with (because
"Network
NTP