Attempt to use Solaris 10 printmgr to print to RedHat Enterprise Linux v6.4 CUPS defined printers -

In a two sub-network scenario, one Solaris 10 and one RHEL 6.4 running CUPS printer services.  Have defined CUPS printers using socket://<dns defined printer or dns IP>:9100 for HP printer back to SUN sub-network which works.  RHEL prints fine with defined printers from RHEL sub-network to SUN sub-network, but unable so far to have Solaris SUN sub-network access RHEL sub-network server printers to print back to SUN sub-network.  Ping does find RHEL server form Solaris 10, but not finding defined RHEL printers.  Can see through tcpdump on RHEL the attempt to print through RHEL sub-network defined printer, but with no