Ntp-Service Source-Interface; Ntp-Service Unicast-Peer - 3Com 5500-EI PWR Reference Manual

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[Sysname] ntp-service reliable authentication-keyid 37

ntp-service source-interface

ntp-service source-interface Vlan-interface vlan-id

undo ntp-service source-interface

vlan-interface vlan-id: Specifies an interface. The IP address of the interface serves as the source IP

address of sent NTP packets. The vlan-id argument indicates the ID of the specified VLAN interface.

Use the ntp-service source-interface command to specify a VLAN interface through which NTP

packets are to be sent.

Use the undo ntp-service source-interface command to remove the configuration.

If you do not want the IP addresses of the other interfaces on the local switch to be the destination

addresses of response packets, you can use this command to specify a specific interface to send all

NTP packets. In this way, the IP address of the interface is the source IP address of all NTP packets

sent by the local device.

# Specify the source IP addresses of all sent NTP packets as the IP address of VLAN-interface 1.

<Sysname> system-view

System View: return to User View with Ctrl+Z.

[Sysname] ntp-service source-interface Vlan-interface 1

ntp-service unicast-peer { remote-ip | peer-name } [ authentication-keyid key-id | priority |

source-interface Vlan-interface vlan-id | version number ]*

undo ntp-service unicast-peer { remote-ip | peer-name }

remote-ip: IP address of the NTP symmetric-passive peer. This argument can be a unicast address only,

and cannot be a broadcast address, a multicast address, or the IP address of the local reference clock.

peer-name: Symmetric-passive peer host name, a string comprising 1 to 20 characters.

authentication-keyid key-id: Specifies the key ID used for sending packets to the peer. The key-id

argument ranges from 1 to 4294967295. By default, authentication is not enabled.

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