SNMP Agent down - no response received

[Michael Vincent Rapada]

Michael Vincent Rapada [http://community.zenoss.org/people/vincentrapada] created the discussion

"SNMP Agent down - no response received"

To view the discussion, visit: http://community.zenoss.org/message/73903#73903

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I am a complete newbie in Zenoss and I would like to seek for your expertise.
I've installed and configured snmpd and still I am receiving the SNMP agent down message in events.

When I ran snmpwalk in Zenoss I received the message below:

snmpwalk -v1 -calnova udp6:::1 system
Timeout: No Response from udp6:::1

When I ran this command to the server

snmpwalk -v1 -calnova 127.0.0.1 system

I received the message below:

SNMPv2-MIB::sysDescr.0 = STRING: Linux CHP-IT-03 2.6.32-131.39.1.el6.x86_64 #1 SMP Tue May 14 15:02:48 EDT 2013 x86_64
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (371546) 1:01:55.46
SNMPv2-MIB::sysContact.0 = STRING: root
SNMPv2-MIB::sysName.0 = STRING: CHP-IT-03
SNMPv2-MIB::sysLocation.0 = STRING: madrid
SNMPv2-MIB::sysORLastChange.0 = Timeticks: (1) 0:00:00.01
SNMPv2-MIB::sysORID.1 = OID: SNMP-MPD-MIB::snmpMPDMIBObjects.3.1.1
SNMPv2-MIB::sysORID.2 = OID: SNMP-USER-BASED-SM-MIB::usmMIBCompliance
SNMPv2-MIB::sysORID.3 = OID: SNMP-FRAMEWORK-MIB::snmpFrameworkMIBCompliance
SNMPv2-MIB::sysORID.4 = OID: SNMPv2-MIB::snmpMIB
SNMPv2-MIB::sysORID.5 = OID: TCP-MIB::tcpMIB
SNMPv2-MIB::sysORID.6 = OID: IP-MIB::ip
SNMPv2-MIB::sysORID.7 = OID: UDP-MIB::udpMIB
SNMPv2-MIB::sysORID.8 = OID: SNMP-VIEW-BASED-ACM-MIB::vacmBasicGroup
SNMPv2-MIB::sysORDescr.1 = STRING: The MIB for Message Processing and Dispatching.
SNMPv2-MIB::sysORDescr.2 = STRING: The MIB for Message Processing and Dispatching.
SNMPv2-MIB::sysORDescr.3 = STRING: The SNMP Management Architecture MIB.
SNMPv2-MIB::sysORDescr.4 = STRING: The MIB module for SNMPv2 entities
SNMPv2-MIB::sysORDescr.5 = STRING: The MIB module for managing TCP implementations
SNMPv2-MIB::sysORDescr.6 = STRING: The MIB module for managing IP and ICMP implementations
SNMPv2-MIB::sysORDescr.7 = STRING: The MIB module for managing UDP implementations
SNMPv2-MIB::sysORDescr.8 = STRING: View-based Access Control Model for SNMP.
SNMPv2-MIB::sysORUpTime.1 = Timeticks: (1) 0:00:00.01
SNMPv2-MIB::sysORUpTime.2 = Timeticks: (1) 0:00:00.01
SNMPv2-MIB::sysORUpTime.3 = Timeticks: (1) 0:00:00.01
SNMPv2-MIB::sysORUpTime.4 = Timeticks: (1) 0:00:00.01
SNMPv2-MIB::sysORUpTime.5 = Timeticks: (1) 0:00:00.01
SNMPv2-MIB::sysORUpTime.6 = Timeticks: (1) 0:00:00.01
SNMPv2-MIB::sysORUpTime.7 = Timeticks: (1) 0:00:00.01
SNMPv2-MIB::sysORUpTime.8 = Timeticks: (1) 0:00:00.01

I would like to know how can I replace udp6 to udp4? to see if it has something to do with it.
or how can I define that the Zenoss to listen to udp6?
I read from other forums that by default, snmpd only listens to udp4:

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[hydruid]

hydruid [http://community.zenoss.org/people/hydruid] created the discussion

"Re: SNMP Agent down - no response received"

To view the discussion, visit: http://community.zenoss.org/message/73907#73907

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It seems that your server isn't responding to snmp requests on it's IPv6 interface. I don't have a lot of experience with IPv6 but there is an easy solution.

Change the server's (the one you're trying to monitor with snmp) IP in the Zenoss UI to the server's IPv4 address. It will be in this type of format: 172.16.67.12 ( https://community.zenoss.org/docs/DOC-5974 https://community.zenoss.org/docs/DOC-5974)

Ty for creating a new post about this issue, I answered the above question on this post as well: http://community.zenoss.org/thread/18746?start=15&tstart=0 http://community.zenoss.org/thread/18746?start=15&tstart=0
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[Michael Vincent Rapada]

Michael Vincent Rapada [http://community.zenoss.org/people/vincentrapada] created the discussion

"Re: SNMP Agent down - no response received"

To view the discussion, visit: http://community.zenoss.org/message/73935#73935

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Hi hydruid,

Thank you for your help!
The event log is now clear. I just indicate the IP address of the server in "Reset/Change IP address"

Thanks!


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