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List:       net-snmp-bugs
Subject:    [ net-snmp-Bugs-1015279 ] snmpwalk : heavy CPU load when community name is not correct
From:       "SourceForge.net" <noreply () sourceforge ! net>
Date:       2004-08-24 14:11:54
Message-ID: E1Bzc1i-0000fg-00 () sc8-sf-web4 ! sourceforge ! net
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Bugs item #1015279, was opened at 2004-08-24 07:11
Message generated for change (Tracker Item Submitted) made by Item Submitter
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=112694&aid=1015279&group_id=12694

Category: agent
Group: linux
Status: Open
Resolution: None
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: snmpwalk : heavy CPU load when community name is not correct

Initial Comment:
# Bug description
snmpwalk : heavy CPU load when community name is not 
correct.
Submitted by claude.scognamillo@fr.thalesgroup.fr
to : http://www.net-snmp.org/bugs/.

# uname -a
Linux monster 2.4.21-4.EL #1 Fri Oct 3 18:13:58 EDT 
2003 i686 i686 i386 GNU/Linux

# more /proc/version 
Linux version 2.4.21-4.EL 
(bhcompile@daffy.perf.redhat.com) (gcc version 3.2.3 
20030502 (Red Hat Linux 3.2.3-20)) #1 Fri Oct 3 
18:13:58 EDT 2003

# rpm -qa | grep snmp
net-snmp-devel-5.0.8-11
net-snmp-5.0.8-11
net-snmp-utils-5.0.8-11

# snmpwalk -v 1 -c public localhost
Warning: Module SNMPv2-MIB was 
in /usr/share/snmp/mibs//SNMPv2-MIB.txt now 
is /usr/share/snmp/mibs//MIB.lis
MODULE-IDENTITY MACRO (lines 55..79 parsed and 
ignored).
OBJECT-IDENTITY MACRO (lines 81..103 parsed and 
ignored).
OBJECT-TYPE MACRO (lines 212..298 parsed and 
ignored).
NOTIFICATION-TYPE MACRO (lines 302..334 parsed and 
ignored).
TEXTUAL-CONVENTION MACRO (lines 8..48 parsed and 
ignored).
OBJECT-TYPE MACRO (lines 25..39 parsed and ignored).
SNMPv2-MIB::sysDescr.0 = STRING: Linux monster 
2.4.21-4.EL #1 Fri Oct 3 18:13:58 EDT 2003 i686
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-
MIB::netSnmpAgentOIDs.10
SNMPv2-MIB::sysUpTime.0 = Timeticks: (3229) 
0:00:32.29
SNMPv2-MIB::sysContact.0 = STRING: Root 
<root@localhost> (configure /etc/snmp/snmp.local.conf)
SNMPv2-MIB::sysName.0 = STRING: toto
SNMPv2-MIB::sysLocation.0 = STRING: Unknown 
(edit /etc/snmp/snmpd.conf)
SNMPv2-MIB::sysORLastChange.0 = Timeticks: (2) 
0:00:00.02
SNMPv2-MIB::sysORID.1 = OID: IF-MIB::ifMIB
SNMPv2-MIB::sysORID.2 = OID: SNMPv2-MIB::snmpMIB
SNMPv2-MIB::sysORID.3 = OID: TCP-MIB::tcpMIB
SNMPv2-MIB::sysORID.4 = OID: IP-MIB::ip
SNMPv2-MIB::sysORID.5 = OID: UDP-MIB::udpMIB
SNMPv2-MIB::sysORID.6 = OID: SNMP-VIEW-BASED-
ACM-MIB::vacmBasicGroup
SNMPv2-MIB::sysORID.7 = OID: SNMP-FRAMEWORK-
MIB::snmpFrameworkMIBCompliance
SNMPv2-MIB::sysORID.8 = OID: SNMP-MPD-
MIB::snmpMPDCompliance
SNMPv2-MIB::sysORID.9 = OID: SNMP-USER-BASED-SM-
MIB::usmMIBCompliance
SNMPv2-MIB::sysORDescr.1 = STRING: The MIB module 
to describe generic objects for network interface sub-
layers
SNMPv2-MIB::sysORDescr.2 = STRING: The MIB module 
for SNMPv2 entities
SNMPv2-MIB::sysORDescr.3 = STRING: The MIB module 
for managing TCP implementations
SNMPv2-MIB::sysORDescr.4 = STRING: The MIB module 
for managing IP and ICMP implementations
SNMPv2-MIB::sysORDescr.5 = STRING: The MIB module 
for managing UDP implementations
SNMPv2-MIB::sysORDescr.6 = STRING: View-based 
Access Control Model for SNMP.
SNMPv2-MIB::sysORDescr.7 = STRING: The SNMP 
Management Architecture MIB.
SNMPv2-MIB::sysORDescr.8 = STRING: The MIB for 
Message Processing and Dispatching.
SNMPv2-MIB::sysORDescr.9 = STRING: The management 
information definitions for the SNMP User-based Security 
Model.
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: (2) 
0:00:00.02
SNMPv2-MIB::sysORUpTime.8 = Timeticks: (2) 
0:00:00.02
SNMPv2-MIB::sysORUpTime.9 = Timeticks: (2) 
0:00:00.02
HOST-RESOURCES-MIB::hrSystemUptime.0 = Timeticks: 
(341372) 0:56:53.72
Timeout: No Response from localhost

#top
12:21:18  up 59 min,  4 users,  load average: 0.45, 
0.33, 0.18
79 processes: 75 sleeping, 3 running, 1 zombie, 0 
stopped
CPU states:  cpu    user    nice  system    irq  softirq  
iowait    idle
           total   63.0%    0.0%   34.8%   0.0%     0.6%    
1.6%    0.0%
Mem:  2064236k av,  240868k used, 1823368k free,       
0k shrd,   21512k buff
       136016k active,              67220k inactive
Swap: 5116680k av,       0k used, 5116680k 
free                  124844k cached

  PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %
MEM   TIME CPU COMMAND
 5596 root      25   0  4252 4252  2708 S    96.1  0.2   
0:44   0 snmpd



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