Does your snmdp.conf use 'agentaddress udp:161' to set the listening port?
Having snmpd also listening on TCP 161 is mostly benign, but it looks like you
don't have the correct option set.
-
Jim
--------- Original Message --------- Subject: SNMP is listening on the wrong
transport protocol and the wrong
From: "Juan Torres" <his...@mail.cho.org>
Date: 4/28/16 4:25 pm
To: net-snmp-users@lists.sourceforge.net, "Chris Benjamin"
<his...@mail.cho.org>, "Juan Torres" <his...@mail.cho.org>
Support,
Hi,
I have RHEL 7.2, CentOS 7.x and SUSE 11.x and all of them have the same problem
with the SNMP protocol.
I need to make the SNMP talk UDP:161 and turn down the TCP:199.
# netstat -tulpn | grep snmp
tcp 0 0 0.0.0.0:161 0.0.0.0:* LISTEN 18702/snmpd
tcp 0 0 127.0.0.1:199 0.0.0.0:* LISTEN 18702/snmpd
udp 0 0 0.0.0.0:161 0.0.0.0:* 18702/snmpd
-------------------------------------------------------------------------------------------------------
Troubleshoot so far...
/etc/services
#snmp 161/tcp # Simple Net Mgmt
Proto
#smux 199/tcp # SNMP Unix
Multiplexer
#smux 199/udp
/etc/sysconfig/snmpd
OPTIONS="-Lsd -Lf /dev/null -p /var/run/snmpd.pid -a -I -smuxsocket
-x :161"
/etc/snmp/snmpd.conf
smuxsocket 1.0.0.0
snmpd udp::161
rocommunity public 172.31.64.0/22
# netstat -lnp | grep snmp
tcp 0 0 0.0.0.0:161 0.0.0.0:* LISTEN
3901/snmpd
udp 0 0 0.0.0.0:161 0.0.0.0:*
3901/snmpd
It still not working!!!!
Juan Torres, MCs
Sr Server Engineer
UCSF Benioff Children's Hospital Oakland
747 52nd Street
Oakland, CA 94609
his...@mail.cho.org
Mobile: 386.478.8599
Home : 386.847.3150
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