Command Reference Guide Global Configuration Mode Command Set
61200510L1-35E Copyright © 2005 ADTRAN 452

ip sntp source-interface <interface>

The ip sntp source-interface command to use the specified interface’s IP address as the source IP address
for SNTP traffic transmitted by the unit. Use the no form of this command if you do not wish to override
the normal source IP address.
Syntax Description
<interface> Specifies the interface to be used as the source IP address for SNTP traf fic.Type
ip sntp source-interface? for a complete list of valid interfaces.
Default Values
No default value is necessary for this command.
Applicable Platforms
This command applies to the NetVanta 300, 1000, 1000R, 2000, 3000, 4000, and 5000 and
Total Access 900 Ser ies units.
Command History
Release 6.1 Command was introduced.
Functional Notes
This command allows you to overr ide the sender field in the IP packet. If you have multiple interfaces in
your unit, changing the sender tells the receiver where to send replies. This functionality can also be used
to allow packets to get through firewalls that would normally block the flow.
Usage Examples
The following example configures the unit to use the loopback 1 interface as the source IP for SNTP
traffic:
(config)#ip sntp source-interface loopback