Firstly check rfc1213 .mib and see that sysUpTime is defined as:
"The time (in hundredths of a second) since the
network management portion of the system was last
re-initialized."
So it quite alright for differnt agents started at different times to have different values on the same system. Also UCD (and I imagine CMU) uses time system last booted, which is not strictly correct.
I had no problem with sysDescr - (tcl 7.5, Solaris 2.5.1 and scotty 2.1.4)
% snmp0 getnext sysDescr
{1.3.6.1.2.1.1.1.0 {OCTET STRING} {scotty agent version 2.1.4 (sun4m-SunOS-5.5.1)}}
-- ----------------------------------------------------------------------------- | Peter Polkinghorne, Computer Centre, Brunel University, Uxbridge, UB8 3PH,| | Peter.Polkinghorne@brunel.ac.uk +44 1895 274000 x2561 UK | -----------------------------------------------------------------------------
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