<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <META NAME="Generator" CONTENT="MS Exchange Server version 6.5.7652.24"> <TITLE>Nagios - SNMP v3</TITLE> </HEAD> <BODY>  <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">I am in the process of rebuilding our Nagios server from RHEL AS 4 to RHEL 5. </FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">The version of net-snmp on the older</FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">server is net-snmp 5.1</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">.2</FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri"> and</FONT></SPAN><SPAN LANG="en-us"><U><FONT FACE="Calibri"></FONT></U></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">the build for RHEL 5 is net-snmp 5.3.1. </FONT></SPAN><SPAN LANG="en-us"> </SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">I can get SNMP version 2 working on the new ser</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">ver but I keep getting</FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">‘</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">No response from Host</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">’</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> when query using the same credentials as I am using for the old server that is getting a response back.</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">We have verified that all ACL</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">’</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">s are allowing the traffic and there is no ACL on the device I am querying that would be blocking the response. We also observed that the traffic pattern from the older server is different from the</FONT></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">newer</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> server.</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> I can see a one for one packet response from the older server to the device but from the newer server there is about 6 requests and finally we see a packet response from the device.</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">I was just wondering if net-snmp version 3 works di</FONT></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">fferently in the newer version and how I can resolve this issue?</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Thanks</FONT></SPAN><SPAN LANG="en-us"></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">Denise Lopez</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">UCLA</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Center for Digital Humanities</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">337 Charles E. Young Drive East</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">PPB 1020</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Los Angeles, CA 90095</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">dlopez@humnet.ucla.edu</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"></SPAN></P> </BODY> </HTML>