Cloud Engine device is configured with SNMP v2c, but fails to establish the connection with SNMP. From display logbuffer it seems that the IP of the SNMP
is being blocked, even though his IP is permitted by ACL.
CE6800 fails to establish connection with NMS via SNMP
Created: Apr 21, 2017 03:47:33Latest reply: Apr 21, 2017 03:49:58
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<ssc-dcacc-ph-22>dis logb<?xml:namespace prefix = "o" /> Logging buffer configuration and contents :enabled Allowed max buffer size : 10240 Actual buffer size : 512 Channel number : 4 , Channel name : logbuffer Dropped messages : 0 Overwritten messages : 1244 Current messages : 512 Sep 5 2016 12:44:17+02:00 DST Sep 5 2016 12:39:16+02:00 DST Sep 5 2016 12:39:16+02:00 DST Sep 5 2016 12:39:13+02:00 DST Sep 5 2016 12:34:16+02:00 DST Sep 5 2016 12:34:13+02:00 DST Sep 5 2016 12:33:01+02:00 DST ssc-dcacc-ph-22  Handling ProcessAfter analyzing the output from display logbuffer, it can be noticed a few log entries with error message “Community is incorrect”. Next step , double check and confirm that the community is correct. Next step, check the SNMP configuration on device. snmp-agent acl 2000 snmp-agent local-engineid 800007DB0368A82823A7A1 snmp-agent community read cipher %@%@* snmp-agent community write cipher %@%@ snmp-agent sys-info contact ABC snmp-agent sys-info location MER1-PH (Kast 15) snmp-agent sys-info version v2c v3 snmp-agent target-host trap address snmp-agent target-host trap address The SNMP configuration is correct. Next step: analyze SNMP packets captured on NMS. From this packets we can notice different SNMP packets, originated from NMS, with different Community strings.<?xml:namespace prefix = "v" /> |
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