newbie needing help with installing mrtg

newbie needing help with installing mrtg i get this:

Code: 
red# ./cfgmaker --global "WorkDir: /home/xcage/public_html/bw" --global "Options[_]: growright,bits" --output /home/xcage/public_html/bw/mrtg.cfg --ifref=ip 209.123.8.144
--base: Get Device Info on public@209.123.8.144:
SNMP Error:
no response received
SNMPv1_Session (remote host: "209.123.8.144" [209.123.8.144].161)
                  community: "public"
                 request ID: -534900217
                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@209.123.8.144::::::v4only
 at ./cfgmaker line 831
WARNING: Skipping public@209.123.8.144: as no info could be retrieved

--base: Writing /home/xcage/public_html/bw/mrtg.cfg
does anyone know whats wrong? newbie needing help with installing mrtg

 

 

 

 

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