[mrtg] Help!

[Abimael R. Sergio]

I am running snmp on a 3 Com Super Tack Switch 4200.
In my computer I am runnig a cfgmaker as follow:

# ./cfgmaker --global 'WorkDir: /home/StarOfDeath'  --global 
'Options[_]: bits,growright'  --output /home/StarOfDeath/mrtg.cfg 
public at 200.153.12.4
--base: Get Device Info on public at 200.153.12.4:
SNMP Error:
no response received
SNMPv1_Session (remote host: "200.153.12.4" [200.153.12.4].161)
                  community: "public"
                 request ID: -330282091
                PDU bufsize: 8000 bytes
                    timeout: 2s
                    retries: 5
                    backoff: 1)
 at /usr/local/mrtg-2/bin/../lib/mrtg2/SNMP_util.pm line 627
SNMPWALK Problem for 1.3.6.1.2.1.1 on public at 200.153.12.4::::::v4only
 at ./cfgmaker line 831
WARNING: Skipping public at 200.152.208.112: as no info could be retrieved

--base: Writing /home/abimael/mrtg.cfg
#

Do yo know what is wrong here?
Please I need help urgent.

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| Atenciosamente,               |
| Abimael R. Sergio             |
| Adm. Redes                    |
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