Name: Huawei Quidway S5700 Series
Brand: Huawei
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4.5 Maintaining NTP

This section describes how to debug NTP through the debugging command in case of an NTP

operation fault.

Context

CAUTION

Debugging affects the performance of the system. So, after debugging, run the undo debugging

all command to disable it immediately.

Run the following debugging commands in the user view to debug NTP and locate the fault.

For the description about the debugging commands, refer to the Quidway S5700 Series Ethernet

Switches Command Reference.

Procedure

Step 1 Run the debugging ntp-service { access | adjustment | all | authentication | event | filter |

packet | parameter | refclock | selection | synchronization | validity } to enable NTP

debugging.

----End

4.6 Configuration Examples

This section provides several configuration examples of NTP.

4.6.1 Example for Configuring NTP Authentication in Unicast

Client/Server Mode

Networking Requirements

Figure 4-2 shows the diagram of NTP.

l Switch A functions as a unicast NTP server. The clock of Switch A is the master clock with

the stratum being 2.

l Switch B functions as a unicast NTP client. Its clock needs to be synchronized with the

clock of Switch A.

l Switch C and Switch D function as NTP clients of Switch B.

l NTP authentication needs to be enabled.

Quidway S5700 Series Ethernet Switches

Configuration Guide - Network Management 4 NTP Configuration

Issue 01 (2011-10-26) Huawei Proprietary and Confidential

228

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Huawei Quidway S5700 Series Specifications

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