hello guys ...this is my first post in this forum hope for a warm response...

since yesterday am working on snmp and mrtg installation and configuration on debian linux...
but when i check snmp through "cfgmaker public@ >/etc/mrtg.cfg" it gives the following error..

no response received
SNMPv1_Session (remote host: "" [].161)
community: "public"
request ID: -2015853733
PDU bufsize: 8000 bytes
timeout: 2s
retries: 5
backoff: 1)
at /usr/share/perl5/SNMP_util.pm line 629
SNMPWALK Problem for on public@
at /usr/bin/cfgmaker line 953
WARNING: Skipping public@ as no info could be retrieved

..as am very new to linux so did get any valid solution ...kindly help me...

looking forward for a quick response...tanx in advance...