mrtg 설치시 이런 에러가 납니다.

[root@chocozenn bin]# ./cfgmaker --global 'WorkDir: /home/public_html/mrtg/www' --global 'Options[_]: bits,growright' --output /home/public_html/mrtg/conf/kebia_2.cfg public@210.109.102.93
SNMP Error:
no response received
SNMPv1_Session (remote host: "210.109.102.93" [210.109.102.93].161)
                  community: "public"
                 request ID: -1851606702
                PDU bufsize: 8000 bytes
                    timeout: 2s
                    retries: 5
                    backoff: 1)
 at /home/public_html/mrtg/bin/../lib/mrtg2/SNMP_util.pm line 627
SNMPWALK Problem for 1.3.6.1.2.1.1 on public@210.109.102.93::::::v4only
 at ./cfgmaker line 916
WARNING: Skipping public@210.109.102.93: as no info could be retrieved

안녕하세요

다름이 아니라 mrtg 설치중에 cfgmaker을 돌리는데

이렇게 에러가 나네요. 어떤 문제인지 알려주세요 해결방법조 부탁 드립니다..