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Adding an ntp neighbor – Brocade Mobility RFS7000-GR Controller System Reference Guide (Supporting software release 4.1.0.0-040GR and later) User Manual

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Brocade Mobility RFS7000-GR Controller System Reference Guide

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Configuring secure NTP

5

6. Click the Add button to define a new peer or server configuration that can be added to the

existing configurations displayed within the NTP Neighbor tab. For more information, see

“Adding an NTP neighbor”

on page 264.

Adding an NTP neighbor

To add a new NTP peer or server neighbor configuration to those available for synchronization:

1. Select Services > Secure NTP from the main menu tree.

2. Select the NTP Neighbor tab.

3. Click the Add button.

4. Select the Peer checkbox if the SNTP neighbor is a peer to the switch (non FTP server) within

the switch’s current subnet.

5. Select the Server checkbox if the neighbor is a server within the switch’s current subnet.

6. Select the Broadcast Server checkbox to allow the switch to listen over the network for NTP

broadcast traffic.

The switch’s NTP configuration can be defined to use broadcast messages instead of
messaging between fixed NTP synchronization resource addresses. Use a NTP broadcast to
listen for NTP synchronization packets within a network. To listen to NTP broadcast traffic, the
broadcast server (and switch) must be on the same subnet. NTP broadcasts reduce
configuration complexity since both the switch and its NTP resources can be configured to
send and receive broadcast messages.