Symmetricom 1100 User Manual

Page of 224
Chapter 4 Provisioning the TimeProvider
Defining the Security Parameters
94
 TimeProvider User’s Guide
097-58001-02 Revision G – April 2008
Checking Communication Links
Two commands allow you to check the communication links from a computer or 
network to the TimeProvider: PING and RTRV-HDR.
Ping
Use the PING command to check an Ethernet connection to the TimeProvider.
PING:[<tid>]::[<ctag>]::<ipaddr>;
This command has a default access level of USER.
Sample Command
PING:::TS1000::192.168.12.10;
Normal Response
TP-SSU 03-05-15 09:59:09
M
TS1000 COMPLD
“Host 192.168.12.10 is alive. Roundtrip time was 165 ms”
;
Retrieve Header
Use the RTRV-HDR command to display the response header, which includes the 
system identification <sid>, date, and time. You can also use this command to verify 
that the communication link to the TimeProvider is working properly.
This command has a default access level of NONE.
Sample Command
RTRV-HDR:::TS1000;
Normal Response
TP-SSU 03-05-15 09:59:25
M
TS1000 COMPLD
;
Defining the Security Parameters
The TimeProvider supports users at the following four access levels: 
None – Anyone with access to a serial or Ethernet port on the TimeProvider can 
issue commands set to this access level. If no Security-level users are defined, 
then anyone connected to the TimeProvider can issue every command available
<ipaddr>
Value
Description
IP address of host to be pinged
1.0.0.1 – 254.254.254.254
Pings the host system