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These OIDs are time-filtered, so per the RFCs (e.g. RFC3512, RFC4502) must return entries for all valid timeMarks.
The SNMP browser should understand the behavior of a timeFiltered MIB and move on after seeing the timeFilter index increment. However, not all browsers behave in this manner.
Solution/Workaround
Ensure you are using an appropriate SNMP tool - such as NetSight MIB tools - that behaves correctly.
Workaround:
DFE firmware 6.01.01.0020 introduced a new command which can accommodate SNMP browsers that are not timeFilter-aware.
Release notes state, in the "Software Changes and Enhancements" section:
A new SNMP control, "set snmp timefilter break", allows users to configure the
GET-NEXT behavior of MIBs indexed with timeMark. When this is set to 'enabled',
SNMP will not return incrementing index values. Many SNMP tools do not properly
support timefiltered MIBs and will benefit from this new setting. When disabled,
SNMP returns RFC conformant indexing.
Here is the command syntax, as seen in a sample cli session:
NSeries(rw)->set snmp timefilter
Command: set snmp Create SNMP agent entries
Object: timefilter SNMP timefilter configuration
Usage: set snmp timefilter break {disable | enable}
Quote[19-Nov-2014 11:30:27.142] [DEBUG] StatusPoll(172.22.2.11): bAllDown=false, dynFlags=0x00001001
[19-Nov-2014 11:30:27.142] [DEBUG] [CLSN-0] Sending message CMD_OBJECT_UPDATE
[19-Nov-2014 11:30:27.142] [DEBUG] StatusPoll(172.22.2.11 [1338]): boot time set to 1402931335 from SNMP
[19-Nov-2014 11:30:27.142] [DEBUG] StatusPoll(172.22.2.11 [1338]): unable to get agent uptime
[19-Nov-2014 11:30:27.142] [DEBUG] Finished status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:30:28.392] [DEBUG] Node 1338 "172.22.2.11" queued for routing table poll
[19-Nov-2014 11:30:28.392] [DEBUG] Routing table updated for node 172.22.2.11 [1338]
[19-Nov-2014 11:31:28.408] [DEBUG] Node 1338 "172.22.2.11" queued for status poll
[19-Nov-2014 11:31:28.408] [DEBUG] Starting status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:31:28.408] [DEBUG] StatusPoll(172.22.2.11): check SNMP
[19-Nov-2014 11:31:28.408] [DEBUG] StatusPoll(172.22.2.11): SNMP check finished
[19-Nov-2014 11:31:28.916] [DEBUG] StatusPoll(172.22.2.11): bAllDown=false, dynFlags=0x00001001
[19-Nov-2014 11:31:28.918] [DEBUG] StatusPoll(172.22.2.11 [1338]): boot time set to 1402931334 from SNMP
[19-Nov-2014 11:31:28.918] [DEBUG] StatusPoll(172.22.2.11 [1338]): unable to get agent uptime
[19-Nov-2014 11:31:28.918] [DEBUG] Finished status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:32:33.491] [DEBUG] Node 1338 "172.22.2.11" queued for status poll
[19-Nov-2014 11:32:33.491] [DEBUG] Starting status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:32:33.491] [DEBUG] StatusPoll(172.22.2.11): check SNMP
[19-Nov-2014 11:32:33.491] [DEBUG] StatusPoll(172.22.2.11): SNMP check finished
[19-Nov-2014 11:32:33.979] [DEBUG] StatusPoll(172.22.2.11): bAllDown=false, dynFlags=0x00001001
[19-Nov-2014 11:32:33.979] [DEBUG] StatusPoll(172.22.2.11 [1338]): boot time set to 1402931334 from SNMP
[19-Nov-2014 11:32:33.979] [DEBUG] StatusPoll(172.22.2.11 [1338]): unable to get agent uptime
[19-Nov-2014 11:32:33.979] [DEBUG] Finished status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:33:38.495] [DEBUG] Node 1338 "172.22.2.11" queued for status poll
[19-Nov-2014 11:33:38.495] [DEBUG] Starting status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:33:38.495] [DEBUG] StatusPoll(172.22.2.11): check SNMP
[19-Nov-2014 11:33:38.495] [DEBUG] StatusPoll(172.22.2.11): SNMP check finished
[19-Nov-2014 11:33:39.026] [DEBUG] StatusPoll(172.22.2.11): bAllDown=false, dynFlags=0x00001001
[19-Nov-2014 11:33:39.026] [DEBUG] StatusPoll(172.22.2.11 [1338]): boot time set to 1402931335 from SNMP
[19-Nov-2014 11:33:39.026] [DEBUG] StatusPoll(172.22.2.11 [1338]): unable to get agent uptime
[19-Nov-2014 11:33:39.026] [DEBUG] Finished status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:34:43.496] [DEBUG] Node 1338 "172.22.2.11" queued for status poll
[19-Nov-2014 11:34:43.496] [DEBUG] Starting status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:34:43.496] [DEBUG] StatusPoll(172.22.2.11): check SNMP
[19-Nov-2014 11:34:43.496] [DEBUG] StatusPoll(172.22.2.11): SNMP check finished
[19-Nov-2014 11:34:44.012] [DEBUG] StatusPoll(172.22.2.11): bAllDown=false, dynFlags=0x00001001
[19-Nov-2014 11:34:44.012] [DEBUG] StatusPoll(172.22.2.11 [1338]): boot time set to 1402931335 from SNMP
[19-Nov-2014 11:34:44.012] [DEBUG] StatusPoll(172.22.2.11 [1338]): unable to get agent uptime
[19-Nov-2014 11:34:44.012] [DEBUG] Finished status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:35:33.497] [DEBUG] Node 1338 "172.22.2.11" queued for routing table poll
[19-Nov-2014 11:35:33.497] [DEBUG] Routing table updated for node 172.22.2.11 [1338]
[19-Nov-2014 11:35:48.497] [DEBUG] Node 1338 "172.22.2.11" queued for status poll
[19-Nov-2014 11:35:48.497] [DEBUG] Starting status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:35:48.497] [DEBUG] StatusPoll(172.22.2.11): check SNMP
[19-Nov-2014 11:35:48.497] [DEBUG] StatusPoll(172.22.2.11): SNMP check finished
[19-Nov-2014 11:35:48.981] [DEBUG] StatusPoll(172.22.2.11): bAllDown=false, dynFlags=0x00001001
[19-Nov-2014 11:35:48.981] [DEBUG] StatusPoll(172.22.2.11 [1338]): boot time set to 1402931334 from SNMP
[19-Nov-2014 11:35:48.981] [DEBUG] StatusPoll(172.22.2.11 [1338]): unable to get agent uptime
[19-Nov-2014 11:35:48.981] [DEBUG] Finished status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:36:53.497] [DEBUG] Node 1338 "172.22.2.11" queued for status poll
[19-Nov-2014 11:36:53.497] [DEBUG] Starting status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:36:53.497] [DEBUG] StatusPoll(172.22.2.11): check SNMP
[19-Nov-2014 11:36:53.497] [DEBUG] StatusPoll(172.22.2.11): SNMP check finished
[19-Nov-2014 11:36:53.903] [DEBUG] StatusPoll(172.22.2.11): bAllDown=false, dynFlags=0x00001001
[19-Nov-2014 11:36:53.919] [DEBUG] StatusPoll(172.22.2.11 [1338]): boot time set to 1402931334 from SNMP
[19-Nov-2014 11:36:53.919] [DEBUG] StatusPoll(172.22.2.11 [1338]): unable to get agent uptime
[19-Nov-2014 11:36:53.919] [DEBUG] Finished status poll for node 172.22.2.11 (ID: 1338)
[19-Nov-2014 11:37:18.498] [DEBUG] Node 1338 "172.22.2.11" queued for topology poll
[19-Nov-2014 11:37:18.498] [DEBUG] Started topology poll for node 172.22.2.11 [1338]
[19-Nov-2014 11:37:58.512] [DEBUG] Node 1338 "172.22.2.11" queued for status poll
[19-Nov-2014 11:40:38.589] [DEBUG] Node 1338 "172.22.2.11" queued for routing table poll
[19-Nov-2014 11:40:38.589] [DEBUG] Routing table updated for node 172.22.2.11 [1338]
[19-Nov-2014 11:45:43.607] [DEBUG] Node 1338 "172.22.2.11" queued for routing table poll
[19-Nov-2014 11:45:43.607] [DEBUG] Routing table updated for node 172.22.2.11 [1338]
[19-Nov-2014 11:50:24.953] [DEBUG] CorrelateEvent: event SYS_NODE_UNMANAGED id 4676 source 172.22.2.11 [1338]
[19-Nov-2014 11:50:24.953] [DEBUG] CorrelateEvent: finished, rootId=0
[19-Nov-2014 11:50:24.953] [DEBUG] [CLSN-0] Sending message CMD_OBJECT_UPDATE
[19-Nov-2014 11:50:24.953] [DEBUG] EVENT 12 (ID:4676 F:0x0001 S:0 TAG:"") FROM 172.22.2.11: Node status changed to UNMANAGED
Quote4078950 3192.569851000 172.22.5.95 172.22.2.11 SNMP 93 get-next-request 1.3.6.1.2.1.17.7.1.4.2.1.4.56088.140
4078952 3192.571206000 172.22.2.11 172.22.5.95 SNMP 141 get-response 1.3.6.1.2.1.17.7.1.4.2.1.4.56088.153