RE: Querying SNMP from a different class IP
Maria Elena Vismara <[email protected]>
| Newsgroups | gmane.network.net-snmp.user,gmane.spam.detected |
|---|---|
| Message-ID | <[email protected]> |
--------- Original Message -------- Da: "Mike Ayers" <[email protected]> To: "[email protected]" <[email protected]> Oggetto: RE: Querying SNMP from a different class IP Data: 16/07/09 19:45 From: Maria Elena Vismara [mailto:[email protected]] Sent: Thu 7/16/2009 7:24 AM >> in my society we would like having an SNMP/Monitor machine in a different >> class from other machines (let's say ip class A for the querying machine and >> class B for the others). > Why? IP classes are an obsolete concept that never really meant5 anything anyway. > I am trying to get this, but I have a big problem...I made all exceptions in > firewalls, I installed snmp on clients and snmp + mrtg on the monitor > machine, but I can not get a correct result...I always get a "snmpget: > Timeout" or a "Timeout: No Response from ....". > I am not skilled in snmp, so, I think that I missed something in the conf > file or in the community...anyone has an idea? > First, have you tried accessing these instances from the same machine they are on? If you can retrieve the instances at the source host > using the external address, then the SNMP is configured correctly. If you are using com2sec with source address restrictions, make sure that > the source host of the requests is permitted to query. Next, back your way out one jump at a time towards the host you can't reach your > master agent from. At some point you'll get timeouts - that is the gateway you need to poke a hole in. > Hi Mike, thanks for the reply. > I have done a traceroute commmand and I get many ***...it is possible that is the matter? > From the s ame host the snmp works fine, and also from hosts in the same network. > Any idea? > Thank you! >> HTH, >> Mike > Bye Hi, another thing...I tryied the command traceroute -nI and I get no problems (no ***), so I think that the problem is on blocking udp (for the traceroute); may udp firewall blocking causing the failure in snmpwalk? Thanks a lot!!! Bye -- Caselle da 1GB, trasmetti allegati fino a 3GB e in piu' IMAP, POP3 e SMTP autenticato? GRATIS solo con Email.it: http://www.email.it/f Sponsor: Offerte per Luglio e Agosto a Riccione. Prenota ora su vacanzedivertenti.it Clicca qui: http://adv.email.it/cgi-bin/foclick.cgi?mid=9342&d=20090717 ------------------------------------------------------------------------------ Enter the BlackBerry Developer Challenge This is your chance to win up to $100,000 in prizes! For a limited time, vendors submitting new applications to BlackBerry App World(TM) will have the opportunity to enter the BlackBerry Developer Challenge. See full prize details at: http://p.sf.net/sfu/Challenge _______________________________________________ Net-snmp-users mailing list [email protected] Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/listinfo/net-snmp-users