[j-nsp] SNMP very slow on MX10003
Leon Kramer
leonkramer at gmail.com
Mon May 25 12:42:06 EDT 2020
> show snmp stats-response-statistics
Average response time statistics:
Stats Stats Average
Type Responses Response
Time (ms)
ifd(non ae) 15311162 5.60
ifd(ae) 482105 34.68
ifl(non ae) 5930128 5.96
ifl(ae) 74751690 8.80
firewall 66199433 10.87
Bucket statistics:
Bucket Stats
Type(ms) Responses
0 - 10 117512092
11 - 50 36891316
51 - 100 3645978
101 - 200 1647536
201 - 500 1330240
501 - 1000 889495
1001 - 2000 707479
2001 - 5000 40989
More than 5001 9393
Bad responses:
Response Request Stats Key
Time Type
(ms) (UTC)
14048.00 2020-04-30 02:26:36 ifl(ae) 713
13649.32 2020-05-06 16:50:12 ifl(ae) 1319
13649.03 2020-05-06 16:50:12 ifl(ae) 1320
13648.82 2020-05-06 16:50:12 ifl(ae) 1321
13648.59 2020-05-06 16:50:12 ifl(ae) 1322
13648.38 2020-05-06 16:50:12 ifl(ae) 1323
13647.94 2020-05-06 16:50:12 ifl(ae) 1324
13647.72 2020-05-06 16:50:12 ifl(ae) 1325
12174.38 2020-05-19 07:08:22 ifl(ae) 1517
12145.67 2020-05-06 16:53:38 ifl(ae) 3743
12145.42 2020-05-06 16:53:38 ifl(ae) 3744
12145.08 2020-05-06 16:53:38 ifl(ae) 3745
12144.83 2020-05-06 16:53:38 ifl(ae) 3786
12144.52 2020-05-06 16:53:38 ifl(ae) 3787
12144.27 2020-05-06 16:53:38 ifl(ae) 3788
12144.05 2020-05-06 16:53:38 ifl(ae) 3789
12143.77 2020-05-06 16:53:38 ifl(ae) 3790
12143.49 2020-05-06 16:53:38 ifl(ae) 3791
12143.22 2020-05-06 16:53:38 ifl(ae) 3792
12143.00 2020-05-06 16:53:38 ifl(ae) 3793
Am Mo., 25. Mai 2020 um 18:32 Uhr schrieb <david.roy at orange.com>:
>
> Hello
>
> Could you issue this command & share the output : show snmp stats-response-statistics
>
> Otherwise, we use telemetry to collect, among other things, interface stats.
>
> David
>
>
> -----Message d'origine-----
> De : juniper-nsp [mailto:juniper-nsp-bounces at puck.nether.net] De la part de Leon Kramer
> Envoyé : lundi 25 mai 2020 18:26
> À : juniper-nsp at puck.nether.net
> Objet : [j-nsp] SNMP very slow on MX10003
>
> Hello,
>
> we meter approximately 500 logical subinterface counters (e.g. ae0.95,
> ae0.96, etc) of our Juniper MX10003. While this works it is also too
> slow as we fetch the data every 60 seconds.
>
> snmpbulkwalks of IF-MIB::ifHCInOctets and IF-MIB::ifHCOutOctets take
> anything from 1 to 180 seconds.
>
> The time it takes increases noticeably as more subinterfaces are configured.
>
> I know Juniper is not known for fast SNMP queries, but is there
> anything you can do to increase performance? 500 interfaces should
> really not be too much for a fairly new router imho.
> We already have some interface filters in place, but apparently they
> are not sufficient.
>
> If you think that SNMP is too slow, what alternative can you recommend
> for fetching interface counters?
>
> Thank you for your help.
>
>
> Kind Regards
> Leon Kramer
>
>
> > show version
> Model: mx10003
> Junos: 18.4R2-S3
>
>
> > show configuration snmp
> interface [ fxp0.0 ];
> filter-interfaces {
> interfaces {
> "fe-[0-9]/[0-9]/[0-9]+\.[0-9]+";
> "xe-[0-9]/[0-9]/[0-9]+\.[0-9]+";
> "ge-[0-9]/[0-9]/[0-9]+\.[0-9]+";
> "et-[0-9]/[0-9]/[0-9]+\.[0-9]+";
> }
> all-internal-interfaces;
> }
> filter-duplicates;
> community xxx {
> authorization read-only;
> routing-instance mgmt_junos;
> }
> community xxx {
> authorization read-only;
> routing-instance mgmt_junos;
> }
> community xxx {
> authorization read-only;
> routing-instance mgmt_junos;
> }
> community xxx {
> authorization read-only;
> routing-instance mgmt_junos;
> }
> routing-instance-access;
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