I have a peculiar problem coming up with a command i am issueing through net::snmp

When I issue the following command using snmpset from a unix shell, the remote host responds correctly:

snmpset -c private router .1.3.6.1.4.1.9.9.96.1.1.1.1.14.667 i 4

however, the same command issued through a set request using net::snmp gives me an error of "err objVal!=NULL 4"

    
my $s = Net::SNMP->session( -hostname  => "10.6.21.10",
                                -community => "private" );
$s->set_request(".1.3.6.1.4.1.9.9.96.1.1.1.1.14.667", INTEGER, 4);
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i don't see any difference between the two or where the objVal is coming up with a null value. any thoughts?

humbly -c