I cannot sync with a NTP source thats coming from an internal router/firewall.

Anyone help ?

ntppdate -d 192.168.92.82
 6 Jun 11:57:30 ntpdate[5011]: ntpdate [email protected] Tue Feb 24 06:32:26 EST 2004 (1)
transmit(192.168.92.82)
receive(192.168.92.82)
transmit(192.168.92.82)
receive(192.168.92.82)
transmit(192.168.92.82)
receive(192.168.92.82)
transmit(192.168.92.82)
receive(192.168.92.82)
transmit(192.168.92.82)
192.168.92.82: Server dropped: strata too high
server 192.168.92.82, port 123
stratum 16, precision -19, leap 11, trust 000
refid [73.78.73.84], delay 0.02591, dispersion 0.00002
transmitted 4, in filter 4
reference time:    00000000.00000000  Thu, Feb  7 2036  6:28:16.000
originate timestamp: d1972e03.0ae02645  Mon, Jun  6 2011 11:44:19.042
transmit timestamp:  d197311b.0ffac1d2  Mon, Jun  6 2011 11:57:31.062
filter delay:  0.02609  0.02591  0.02594  0.02596
         0.00000  0.00000  0.00000  0.00000
filter offset: -792.020 -792.020 -792.020 -792.020
         0.000000 0.000000 0.000000 0.000000
delay 0.02591, dispersion 0.00002
offset -792.020152

 6 Jun 11:57:31 ntpdate[5011]: no server suitable for synchronization found

Edit

The server I'm being asked to sync to is a firewall , and I've now been told that it is not syncing with anything. So I suppose I need to know if I can force my server to sync with a server that is stratum 16 i.e not sync'd. Is that possible ?