problem with ucdavis MIBs

hi there.
i have two working installs of cacti using snmp to retrieve iptables
bandwidth (using exec() in snmpd.conf)

1)-- one server is running debian and it works fine:

(from snmpd.conf)
exec .1.3.6.1.4.1.2021.49 iplist /root/iptables_traffic_iplist.sh -g
exec .1.3.6.1.4.1.2021.49.42 ipindex /root/iptables_traffic_iplist.sh -i
exec .1.3.6.1.4.1.2021.50 traffic_in /root/iptables_traffic_eval.sh in
exec .1.3.6.1.4.1.2021.51 traffic_out /root/iptables_traffic_eval.sh out

# snmpwalk -v 2c -c public localhost .1.3.6.1.4.1.2021.49

UCD-SNMP-MIB::ucdavis.49.1.1 = INTEGER: 1
UCD-SNMP-MIB::ucdavis.49.2.1 = STRING: "iplist"
UCD-SNMP-MIB::ucdavis.49.3.1 = STRING:
"/usr/local/sbin/snmp_ips/iptables_traffic_iplist.sh -g"
UCD-SNMP-MIB::ucdavis.49.42.1.1 = INTEGER: 1
UCD-SNMP-MIB::ucdavis.49.42.2.1 = STRING: "ipindex"
UCD-SNMP-MIB::ucdavis.49.42.3.1 = STRING:
"/usr/local/sbin/snmp_ips/iptables_traffic_iplist.sh -i"
UCD-SNMP-MIB::ucdavis.49.42.100.1 = INTEGER: 2
UCD-SNMP-MIB::ucdavis.49.42.101.1 = STRING: "1"
UCD-SNMP-MIB::ucdavis.49.42.101.2 = STRING: "2"
UCD-SNMP-MIB::ucdavis.49.42.102.1 = INTEGER: 0
[..cut..]

2)-- second server is running Slackware and has problems:

(from snmpd.conf)
exec .1.3.6.1.4.1.2021.49 iplist /root/iptables_traffic_iplist.sh -g
exec .1.3.6.1.4.1.2021.49.42 ipindex /root/iptables_traffic_iplist.sh -i
exec .1.3.6.1.4.1.2021.50 traffic_in /root/iptables_traffic_eval.sh in
exec .1.3.6.1.4.1.2021.51 traffic_out /root/iptables_traffic_eval.sh out

# snmpwalk -v 2c -c public localhost .1.3.6.1.4.1.2021.49

UCD-SNMP-MIB::ucdavis.49 = No Such Object available on this agent at
this OID

but if i remove the OID part fron exec
(ie. "exec iplist /root/iptables_traffic_iplist.sh -g" ) this query
returns the values i'm looking for (so exec() is executed correctly)

# snmpwalk -v 2c -c pr-public localhost UCD-SNMP-MIB::extOutput
UCD-SNMP-MIB::extOutput.1 = STRING: 192.168.200.161
UCD-SNMP-MIB::extOutput.2 = STRING: 1
UCD-SNMP-MIB::extOutput.3 = STRING: 254
UCD-SNMP-MIB::extOutput.4 = STRING: 296

so, the simple question is: what is happening?
how can i make things working on slack install?

thanks and cheers!

--
Ernesto Franchini <ernesto.franchini@prodigit.it>
Linux System Administrator
http://www.catb.org/~esr/faqs/smart-questions.html
http://www.antagonism.org/qmr-faq.shtml
http://www.thedjbway.org/

Prodigit SRL _
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