Juniper MX204 Router SNMP walk fails for jnxBfdSessIntfName #1209

B0go · 2024-06-24T20:46:04Z

B0go
Jun 24, 2024

Host operating system: output of `uname -a`

Linux 5.15.0-67-generic #74-Ubuntu SMP Wed Feb 22 14:14:39 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

snmp_exporter version: output of `snmp_exporter -version`

0.26.0

What device/snmpwalk OID are you using?

Juniper MX204 - OID 1.3.6.1.4.1.2636.3.45.1.1.1.1.5

snmp.yaml entry added by the generator:

    - name: jnxBfdSessIntfName
      oid: 1.3.6.1.4.1.2636.3.45.1.1.1.1.5
      type: DisplayString
      help: This object specifies the interface associated with the bfd session -
        1.3.6.1.4.1.2636.3.45.1.1.1.1.5
      indexes:
      - labelname: bfdSessIndex
        type: gauge

If this is a new device, please link to the MIB(s).

Junos-OS/20.4R2/mib-jnx-bfd.txt

What did you do that produced an error?

I configured snmp_exporter to collect some metrics from different Juniper devices (switches and routers) and the whole process has been working fine, except if I add OID 1.3.6.1.4.1.2636.3.45.1.1.1.1.5 - jnxBfdSessIntfName to the Juniper MX204 router module, where SNMP walk executed by the exporter starts to timeout.

What did you expect to see?

The interface names associated with the BFD sessions. Output of a snmpwalk:

snmpwalk -v 2c -c <community> <router2>:161 1.3.6.1.4.1.2636.3.45.1.1.1.1.5
iso.3.6.1.4.1.2636.3.45.1.1.1.1.5.16 = STRING: "irb.xx"
iso.3.6.1.4.1.2636.3.45.1.1.1.1.5.114 = STRING: "xe-0/X/0.0"
iso.3.6.1.4.1.2636.3.45.1.1.1.1.5.129 = STRING: "xe-0/X/Y.0"

The same OID is also walked by Nagios without problems.

What did you see instead?

The whole snmp request for that module fails with a timeout:

Debug log:

Jun 24 19:55:49 host snmp-exporter[133494]: ts=2024-06-24T19:55:49.185Z caller=collector.go:460 level=debug auth=public_v2 target=router2 source_address= worker=0 module=juniper_router msg="Finished scrape" duration_seconds=21.133959114
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.051Z caller=collector.go:456 level=debug auth=public_v2 target=router2 source_address= worker=0 module=juniper_router msg="Starting scrape"
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.051Z caller=gosnmp.go:86 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Getting OIDs" oids="unsupported value type"
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.051Z caller=collector.go:476 level=debug auth=public_v2 target=router2 source_address= msg="Sent module to worker" module=juniper_router
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.062Z caller=gosnmp.go:98 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Get of OIDs completed" oids="unsupported value type" duration_seconds=11.028007ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.062Z caller=collector.go:142 level=debug auth=public_v2 target=router2 source_address= worker=0 module=juniper_router msg="OID not supported by target" oids=.1.3.6.1.4.1.2636.3.4.2.2.1.0
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.062Z caller=collector.go:142 level=debug auth=public_v2 target=router2 source_address= worker=0 module=juniper_router msg="OID not supported by target" oids=.1.3.6.1.4.1.2636.3.4.2.2.2.0
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.062Z caller=collector.go:142 level=debug auth=public_v2 target=router2 source_address= worker=0 module=juniper_router msg="OID not supported by target" oids=.1.3.6.1.4.1.2636.3.4.2.3.1.0
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.062Z caller=collector.go:142 level=debug auth=public_v2 target=router2 source_address= worker=0 module=juniper_router msg="OID not supported by target" oids=.1.3.6.1.4.1.2636.3.4.2.3.2.0
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.062Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.10
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.110Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.10 duration_seconds=47.71761ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.110Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.11
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.152Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.11 duration_seconds=41.934117ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.152Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.13
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.190Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.13 duration_seconds=38.128061ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.190Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.14
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.236Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.14 duration_seconds=46.004048ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.236Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.16
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.274Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.16 duration_seconds=37.424832ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.274Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.17
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.313Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.17 duration_seconds=39.217075ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.313Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.19
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.348Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.19 duration_seconds=34.743409ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.348Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.20
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.387Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.20 duration_seconds=39.606939ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.387Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.21
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.432Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.21 duration_seconds=44.578551ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.432Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.6
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.476Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.6 duration_seconds=44.269847ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.476Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.7
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.520Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.7 duration_seconds=43.938202ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.520Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.2.2.1.8
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.566Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.2.2.1.8 duration_seconds=45.249839ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.566Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.31.1.1.1.1
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.612Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.31.1.1.1.1 duration_seconds=45.875917ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.612Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.31.1.1.1.15
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.657Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.31.1.1.1.15 duration_seconds=45.351041ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.657Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.31.1.1.1.17
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.703Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.31.1.1.1.17 duration_seconds=46.08587ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.703Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.31.1.1.1.18
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.751Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.31.1.1.1.18 duration_seconds=48.089524ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.751Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.31.1.1.1.2
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.798Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.31.1.1.1.2 duration_seconds=46.812729ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.798Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.31.1.1.1.3
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.845Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.31.1.1.1.3 duration_seconds=46.620266ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.845Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.31.1.1.1.4
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.894Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.31.1.1.1.4 duration_seconds=49.40183ms
Jun 24 19:56:28 host snmp-exporter[133494]: ts=2024-06-24T19:56:28.895Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.2.1.31.1.1.1.5
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.014Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.2.1.31.1.1.1.5 duration_seconds=119.80072ms
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.014Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.4.1.2636.3.1.13.1
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.260Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.4.1.2636.3.1.13.1 duration_seconds=245.294642ms
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.260Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.4.1.2636.3.1.14.1.10
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.268Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.4.1.2636.3.1.14.1.10 duration_seconds=8.006459ms
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.268Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.4.1.2636.3.1.14.1.6
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.277Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.4.1.2636.3.1.14.1.6 duration_seconds=9.544607ms
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.277Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.4.1.2636.3.1.14.1.7
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.287Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.4.1.2636.3.1.14.1.7 duration_seconds=9.72367ms
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.287Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.4.1.2636.3.1.14.1.8
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.296Z caller=gosnmp.go:119 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walk of subtree completed" oid=1.3.6.1.4.1.2636.3.1.14.1.8 duration_seconds=8.588706ms
Jun 24 19:56:29 host snmp-exporter[133494]: ts=2024-06-24T19:56:29.296Z caller=gosnmp.go:103 level=debug auth=public_v2 target=router2 source_address= worker=0 msg="Walking subtree" oid=1.3.6.1.4.1.2636.3.45.1.1.1.1.5
Jun 24 19:56:49 host snmp-exporter[133494]: ts=2024-06-24T19:56:49.298Z caller=collector.go:367 level=info auth=public_v2 target=router2 source_address= worker=0 module=juniper_router msg="Error scraping target" err="error walking target router2: request timeout (after 3 retries)"
Jun 24 19:56:49 host snmp-exporter[133494]: ts=2024-06-24T19:56:49.298Z caller=collector.go:460 level=debug auth=public_v2 target=router2 source_address= worker=0 module=juniper_router msg="Finished scrape" duration_seconds=21.246970791

The walk hangs exactly once the exporter reaches OID 1.3.6.1.4.1.2636.3.45.1.1.1.1.5, and the whole scrape process is back to green once it is removed from the configuration.

B0go · 2024-07-05T19:16:52Z

B0go
Jul 5, 2024
Author

@SuperQ It's unclear to me why this one was put in Q&A since it looks like there is some sort of limitation in the exporter or the generator that is affecting its ability to correctly read/parse the data that snmpwalk can successfully get. If there is any clear indicator that there might be any errors on my end, please let me know so I can further investigate

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Juniper MX204 Router SNMP walk fails for jnxBfdSessIntfName #1209

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Juniper MX204 Router SNMP walk fails for jnxBfdSessIntfName #1209

B0go Jun 24, 2024

Host operating system: output of uname -a

snmp_exporter version: output of snmp_exporter -version

What device/snmpwalk OID are you using?

If this is a new device, please link to the MIB(s).

What did you do that produced an error?

What did you expect to see?

What did you see instead?

Replies: 1 comment

B0go Jul 5, 2024 Author

B0go
Jun 24, 2024

Host operating system: output of `uname -a`

snmp_exporter version: output of `snmp_exporter -version`

B0go
Jul 5, 2024
Author