pls add below lines /etc/squid/squid.conf file. snmp_port 3401 acl snmppublic snmp_community public snmp_access allow snmppublic localhost snmp_access deny all snmp_incoming_address 0.0.0.0 snmp_outgoing_address 0.0.0.0 then, restart squid. and perform below commands. [root@mail ~]# snmpwalk -m /etc/squid/mib.txt -v2c -c public localhost:3401 .1.3.6.1.4.1.3495.1.1 SQUID-MIB::cacheSysVMsize.0 = INTEGER: 1692 SQUID-MIB::cacheSysStorage.0 = INTEGER: 37860 SQUID-MIB::cacheUptime.0 = Timeticks: (913871) 2:32:18.71 and [root@mail ~]# snmpwalk -v2c -c public localhost:3401 .1.3.6.1.4.1.3495.1.1 SNMPv2-SMI:: enterprises.3495.1.1.1.0 = INTEGER: 1696 SNMPv2-SMI::enterprises.3495.1.1.2.0 = INTEGER: 37860 SNMPv2-SMI::enterprises.3495.1.1.3.0 = Timeticks: (914781) 2:32:27.81 thereafer add, create a mrtg-squid.cfg file by hand. t think you can get it from below URL. http://chrismiles.info/unix/mrtg/mrtg-squid.cfg Okay, to bigin add below lines to mrtg-squid.cfg file Target[cacheServerRequests]: cacheServerRequests&cacheServerRequests:public@hostname:3401 MaxBytes[cacheServerRequests]: 10000000 Title[cacheServerRequests]: Server Requests @ hostname Options[cacheServerRequests]: growright, nopercent PageTop[cacheServerRequests]: <h2>Server Requests @ hostname</h2> YLegend[cacheServerRequests]: requests/sec ShortLegend[cacheServerRequests]: req/s LegendI[cacheServerRequests]: Requests LegendO[cacheServerRequests]: Legend1[cacheServerRequests]: Requests Legend2[cacheServerRequests]: Target[cacheServerErrors]: cacheServerErrors&cacheServerErrors:public@hostname:3401 MaxBytes[cacheServerErrors]: 10000000 Title[cacheServerErrors]: Server Errors @ hostname Options[cacheServerErrors]: growright, nopercent PageTop[cacheServerErrors]: <h2>Server Errors @ hostname</h2> YLegend[cacheServerErrors]: errors/sec ShortLegend[cacheServerErrors]: err/s LegendI[cacheServerErrors]: Errors LegendO[cacheServerErrors]: Legend1[cacheServerErrors]: Errors Legend2[cacheServerErrors]: Target[cacheCpuUsage]: cacheCpuUsage&cacheCpuUsage:public@hostname:3401 MaxBytes[cacheCpuUsage]: 100 AbsMax[cacheCpuUsage]: 100 Title[cacheCpuUsage]: CPU Usage @ hostname Options[cacheCpuUsage]: absolute, gauge, noinfo, growright, nopercent Unscaled[cacheCpuUsage]: dwmy PageTop[cacheCpuUsage]: <h2>CPU Usage @ hostname</h2> YLegend[cacheCpuUsage]: usage % ShortLegend[cacheCpuUsage]:% LegendI[cacheCpuUsage]: CPU Usage LegendO[cacheCpuUsage]: Legend1[cacheCpuUsage]: CPU Usage Legend2[cacheCpuUsage]: pls change hostname, passsowrd and port number if nedded. GOOD LUCK -- Thank you Indunil Jayasooriya