R T M 3 2 0 5 U s e r M a n u a l
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C H A P T E R S E V E N
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R T M 3 2 0 5 U s e r M a n u a l
N E T W O R K T I M E P R O T O C O L ( N T P )
Configure NTP Client for Multicast
You must edit the
ntp.conf
file which
ntpd
, the NTP daemon, looks for by default in the the
/etc
directory. And add these lines for multicast:
multicastclient 224.0.1.1
or for IPv6:
multicastclient ff05::101
If you are not using MD5 authentication, you would add these lines:
disable auth
multicastclient 224.0.1.1
or for IPv6:
disable auth
multicastclient ff05::101
You may remove the line added previously in
Unix-like Platforms: Basic NTP Client Setup
:
server 192.168.1.120
or the authenticated version added in
Unix-like Platforms: MD5 Authenticated NTP Client Setup
:
server 192.168.1.120 key 1
Test Broadcast/Multicast
Restart
ntpd
to have it begin using RTM3205 as a broadcast or multicast server. Use the NTP utility
ntpq
to check that
ntpd
is able to communicate with RTM3205. After issuing the command
ntpq
you will see the
ntpq
command prompt:
ntpq>
Use the command
peers
to display the NTP peers which your computer is using. One of them should be the RTM3205 server
which you have just configured. You should verify that it is being ‘reached’. (You may have to con-
tinue issuing the peers command for a minute or two before you will see the ‘reach’ count increment.)
If you are using authentication, you can verify that authentication is being used by issuing the com-
mand
associations
Summary of Contents for RTM3205
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