HPE FlexNetwork 5510 HI Series Network Management And Monitoring Configuration Manual page 54

Configuration procedure
Before you perform the following configuration, be sure you have completed MPLS VPN-related
configurations.
1. Set the IP address for each interface, as shown in
and PE 2, and PE 2 and CE 3 can reach each other. (Details not shown.)
2. Configure CE 1:
# Enable the NTP service.
<CE1> system-view
[CE1] ntp-service enable
# Specify the local clock as the reference source, with the stratum level 2.
[CE1] ntp-service refclock-master 2
3. Configure PE 1:
# Enable the NTP service.
<PE1> system-view
[PE1] ntp-service enable
# Specify CE 1 in VPN 1 as the symmetric-passive peer of PE 1.
[PE1] ntp-service unicast-peer 10.1.1.1 vpn-instance vpn1
4. Verify the configuration:
# Verify that PE 1 has synchronized to CE 1, with the stratum level 3.
[PE1] display ntp-service status
Clock status: synchronized
Clock stratum: 3
System peer: 10.1.1.1
Local mode: sym_active
Reference clock ID: 10.1.1.1
Leap indicator: 00
Clock jitter: 0.005096 s
Stability: 0.000 pps
Clock precision: 2^-10
Root delay: 0.00655 ms
Root dispersion: 1.15869 ms
Reference time: d0c62687.ab1bba7d
# Verify that an IPv4 NTP association has been established between PE 1 and CE 1.
[PE1] display ntp-service sessions
********************************************************************************
[1245]10.1.1.1
Notes: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured.
Total sessions : 1
# Verify that server 127.0.0.1 has synchronized to server 10.1.1.1, and server 10.1.1.1 has
synchronized to the local clock.
[PE1] display ntp-service trace
Server
Stratum
Server
Stratum
RefID
source reference
127.127.1.0
127.0.0.1
3 , jitter 0.000, synch distance 796.50.
10.1.1.1
2 , jitter 939.00, synch distance 0.0000.
127.127.1.0
Figure 19. Make sure CE 1 and PE 1, PE 1
Wed, Dec 29 2010 21:28:39.668
stra reach poll
2 1 64
45
now offset delay disper
519 -0.0 0.0000 0.0