HPE FlexNetwork 10500 SERIES, Configuration Manual

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source reference stra reach poll now offset delay disper
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[1245]3.0.1.31 127.127.1.0 3 3 64 68 -0.0 0.0000 0.0
Notes: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured.
Total sessions: 1
Configuration example for MPLS L3VPN network time
synchronization in client/server mode
Network requirements
As shown in Figure 45 , two MPLS L3VPN instances are present on PE 1 and PE 2: vpn1 and vpn2.
CE 1 and CE 3 are devices in VPN 1.
To synchronize time between PE 2 and CE 1 in VPN 1, perform the following tasks:
•
Configure CE 1's local clock as a reference source, with stratum level 2.
•
Configure CE 1 in the VPN instance vpn1 as the NTP server of PE 2.
Figure 45 Network diagram
Configuration procedure
Before you perform the following configuration, be sure you have completed MPLS L3VPN-related
configurations. For information about configuring MPLS L3VPN, see
MPLS Configuration Guide .
1. Assign an IP address to each interface, as shown in Figure 45 . Make sure CE 1 and PE 1, PE 1
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 stratum level 2.
[CE1] ntp-service refclock-master 2
3. Configure PE 2:
# Enable the NTP service.
<PE2> system-view
CE 1
NTP server
CE 2 CE 4
CE 3
PE 1
PE 2
NTP client
P
VPN 1
VPN 2
VPN 1
VPN 2
10.1.1.1/24 10.3.1.1/24
10.3.1.2/24
MPLS backbone