S6800与思科3560对接NTP典型组网配置案例

S6800与思科3560对接NTP典型组网配置，其中S6800为时钟源，思科3560为客户端

S6800版本信息如下：

H3C Comware Software, Version 7.1.045, Release 2418P05

Copyright (c) 2004-2015 Hangzhou H3C Tech. Co., Ltd. All rights reserved.

H3C S6800-4C uptime is 240 weeks, 3 days, 12 hours, 0 minutes

Last reboot reason : USER reboot

Boot image: flash:/s6800-cmw710-boot-r2418p05.bin

Boot image version: 7.1.045, Release 2418P05

  Compiled Jun 09 2015 12:06:42

System image: flash:/s6800-cmw710-system-r2418p05.bin

System image version: 7.1.045, Release 2418P05

  Compiled Jun 09 2015 12:06:42

思科3560版本信息如下：

Cisco IOS Software, C3560 Software (C3560-IPSERVICES-M), Version 12.2(35)SE5, RELEASE SOFTWARE (fc1)

Copyright (c) 1986-2007 by Cisco Systems, Inc.

Compiled Thu 19-Jul-07 18:15 by nachen

Image text-base: 0x00003000, data-base: 0x01300000

ROM: Bootstrap program is C3560 boot loader

BOOTLDR: C3560 Boot Loader (C3560-HBOOT-M) Version 12.2(25r)SEE4, RELEASE SOFTWARE (fc1)

JMTJ-K-1 uptime is 2 years, 18 weeks, 6 days, 13 hours, 6 minutes

System returned to ROM by power-on

System restarted at 01:44:59 UTC Fri Jan 19 2018

System image file is "flash:c3560-ipservices-mz.122-35.SE5/c3560-ipservices-mz.122-35.SE5.bin"

cisco WS-C3560G-48TS (PowerPC405) processor (revision F0) with 122880K/8184K bytes of memory.

Processor board ID FOC1442Z4EH

Last reset from power-on

3 Virtual Ethernet interfaces

52 Gigabit Ethernet interfaces

The password-recovery mechanism is enabled.

512K bytes of flash-simulated non-volatile configuration memory.

Base ethernet MAC Address       : EC:C8:82:39:BD:80

Motherboard assembly number     : 73-10214-06

Power supply part number        : 341-0107-01

Motherboard serial number       : FOC1442737L

Power supply serial number      : AZS143501Q2

Model revision number           : F0

Motherboard revision number     : A0

Model number                    : WS-C3560G-48TS-E

System serial number            : FOC1442Z4EH

Top Assembly Part Number        : 800-27479-03

Top Assembly Revision Number    : A0

Version ID                      : V05

CLEI Code Number                : COMBG10BRA

Hardware Board Revision Number  : 0x09

Switch   Ports  Model              SW Version              SW Image           

------   -----  -----              ----------              ----------         

*    1   52     WS-C3560G-48TS     12.2(35)SE5             C3560-IPSERVICES-M 

Configuration register is 0xF

S6800 NTP时钟源配置信息如下：

clock protocol none

ntp-service enable

 ntp-service refclock-master 2

interface loopback 0

ip address 10.190.0.15 255.255.255.255

quit

思科3560 NTP配置如下：

ntp server 10.190.0.15 source Vlan400

S6800查看NTP显示信息：

dis ntp sessions

       source          reference       stra reach poll  now offset  delay disper

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

   [25]10.190.8.252    LOCL               1   255   64   51 -28825 0.9002 18.218

[12345]LOCAL(0)        LOCL               1   255   64   42 0.0000 0.0000 0.9155

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

 Total sessions: 2

dis ntp status

 Clock status: synchronized

 Clock stratum: 2

 System peer: LOCAL(0)

 Local mode: client

 Reference clock ID: 127.127.1.0

 Leap indicator: 00

 Clock jitter: 0.000000 s

 Stability: 0.000 pps

 Clock precision: 2^-21

 Root delay: 0.00000 ms

 Root dispersion: 10.98633 ms

 Reference time: e27ced67.56daf74f  Sat, May 30 2020 14:34:15.339

 System poll interval: 64 s

思科3560查看NTP显示信息：

sh ntp status

Clock is synchronized, stratum 3, reference is 10.190.0.15

nominal freq is 119.2092 Hz, actual freq is 119.2104 Hz, precision is 2**18

reference time is E27CEEF7.3FF6A41B (14:40:55.249 UTC Sat May 30 2020)

clock offset is -0.0129 msec, root delay is 1.63 msec

root dispersion is 11.40 msec, peer dispersion is 0.26 msec

sh ntp associations

      address         ref clock     st  when  poll reach  delay  offset    disp

*~10.190.0.15       127.127.1.0       2    81   128  377     1.6   -0.01     0.3

 * master (synced), # master (unsynced), + selected, - candidate, ~ configured