S12508与华为5700对接NTP典型组网配置案例

S12508与华为5700对接NTP典型组网配置，其中S12508为时钟源，华为5700为客户端

S12508版本信息如下：

H3C Comware Platform Software

Comware Software, Version 5.20, Release 1828P05

Copyright (c) 2004-2014 Hangzhou H3C Tech. Co., Ltd. All rights reserved.

H3C S12508 uptime is 58 weeks, 4 days, 15 hours, 32 minutes

Last reboot reason : User reboot

华为5700版本信息如下：

Huawei Versatile Routing Platform Software

VRP (R) software, Version 5.130 (S5700 V200R003C00SPC300)

Copyright (C) 2000-2013 HUAWEI TECH CO., LTD

Quidway S5700-28C-EI-24S Routing Switch uptime is 5 weeks, 2 days, 12 hours, 15 minutes

CX22EFGF 0(Master) : uptime is 5 weeks, 2 days, 12 hours, 14 minutes

256M bytes DDR Memory

32M bytes FLASH

Pcb      Version :  VER B

Basic  BOOTROM  Version :  181 Compiled at Jun 29 2013, 10:18:52

CPLD   Version : 74

Software Version : VRP (R) Software, Version 5.130 (V200R003C00SPC300)

FANCARD I information

Pcb      Version : FAN VER B

PWRCARD I information

Pcb      Version : PWR VER B

S12508 NTP时钟源配置信息如下：

ntp-service refclock-master 2

interface Vlan-interface4

 ip address 10.190.4.254 255.255.255.0

 vrrp vrid 4 virtual-ip 10.190.4.1

 vrrp vrid 4 priority 105

 packet-filter 3002 inbound

 packet-filter 3002 outbound

华为5700 NTP配置如下：

ntp-service unicast-server 10.190.9.1

S12508查看NTP显示信息：

dis ntp status

 Clock status: synchronized

 Clock stratum: 2

 Reference clock ID: 127.127.1.0

 Nominal frequency: 100.0000 Hz

 Actual frequency: 100.0000 Hz

 Clock precision: 2^14

 Clock offset: 0.0000 ms

 Root delay: 0.00 ms

 Root dispersion: 43.43 ms

 Peer dispersion: 10.00 ms

 Reference time: 08:26:28.027 UTC May 30 2020(E27C9734.072367E4)

dis ntp sessions

       source          reference       stra reach poll  now offset  delay disper

********************************************************************************

[12345]127.127.1.0     LOCL               1   255   64   44    0.0    0.0    1.0

note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured

Total associations :  1

华为5700查看NTP显示信息：

dis ntp status

 clock status: synchronized

 clock stratum: 3

 reference clock ID: 10.190.9.1

 nominal frequency: 60.0002 Hz

 actual frequency: 60.0003 Hz

 clock precision: 2^18

 clock offset: 4.0696 ms

 root delay: 10.54 ms

 root dispersion: 93.97 ms

 peer dispersion: 43.44 ms

 reference time: 08:19:06.975 UTC May 30 2020(E27C957A.F9CE8D97)

 synchronization state: clock synchronized

dis ntp sessions

 clock source: 10.190.9.1

 clock stratum: 2

 clock status: configured, master, sane, valid

 reference clock ID: LOCAL(0)

 reach: 377

 current poll: 1024

 now: 972

 offset: 4.3155 ms

 delay: 10.54 ms

 disper: 16.82 ms