(For more information about TFOM, see "Configuring the Oscillator" on
page252.)
Navigate to Management > Disciplining, and click the GEAR icon in the
top-right corner of the Status panel.
14.
Set the value Maximum TFOM for Sync to4 (this will make SecureSync to
go out of sync if the phase error is greater than 1μs).
15.
Set the value for Holdover Timeout to 10s, to allow SecureSync to exit
holdover quickly.
16.
Leave the Phase Error Limit at 0, and do not check any of the checkboxes
(or, for more information, see "Configuring the Oscillator" on page252).
2.15.12.4 Configuring NTP over Anycast (BGP)
To configure NTP over Anycast, using BGP (Border Gateway Protocol):
1. Confirm that your existing network infrastructure is Anycast capable, and
uses BGP. Determine the network specifics, such as your Autonomous Sys-
tem (AS) number, Neighbor’s address and Neighbor’s AS number.
2.
In the SecureSync Web UI, navigate to MANAGEMENT > Network > NTP
Setup.
3.
In the Actions Panel, click NTP over Anycast.
4.
In the NTP Anycast window, select the General tab.
5.
On the General tab, select your desired IP Version. This selection auto-
matically communicates with the BGP tab and displays the neighbor
address field based on your needs.
6. Select the port to associate the Anycast service with (depending on the
option card configuration of your unit, there may be only ETH0 available). If
you desire IPv6 functionality, you must also select the IPv6 port address
since there may be multiple IPv6 addresses on a single port.
7.
In the NTP Anycast window, navigate to the BGP tab.
8.
On the BGP tab, check Enable.
9.
Input your AS number.
10. Input the neighbor's address.
11. Input the neighbor's AS number.
12.
Click Submit.
13. Select the port address to associate the Anycast service with (because
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.
140
CHAPTER 2 • SecureSync 2400 User Manual Rev. 5.2
2.15 Configure NTP
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