Network Connections, Stats and Bandwidth

check_cisco_ipsla

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Description:

This check will probe for Cisco IP SLAs.
(Tested on IOS 12.4T release)

Current Version

Last Release Date

2010-02-24

Compatible With

  • Nagios 3.x

Owner

plop2007

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Project Files
FileDescription
check_cisco_ipsla.pl

check_cisco_ipsla.pl script

Project Notes
This check will probe for Cisco IP SLAs. (Tested on IOS 12.4T release) For now it only accepts the "-i ALL" argument and it will list and check for all IP SLAs configured on the router. Return code will be 0 if all probes have completed successfully. Return code will be 2 if one probe failed Additionally, performance data is retrieved, as the total time it took to run all IP SLAs. The multi-line output will display the run time of each IP SLA. On the router side of it, IP SLAs must be configured with a TAG, as follows: ip sla 1 dns www.google.com name-server 8.8.8.8 tag DNS_Google frequency 300 ip sla 2 http get http://www.google.com/ name-server 8.8.8.8 cache disable tag HTTP_Google frequency 300 ip sla group schedule 1 1-2 schedule-period 300 frequency 300 start-time now life forever Sample output: $./check_cisco_ipsla.pl -c public-H 10.10.10.10 -i ALL IP SLA status: OK | Total-Time=120 IP SLA 1 # DNS_Google ( dns ) status: OK IP SLA 2 # HTTP_Google ( http ) status: OK | DNS_Google=17 HTTP_Google=93 There's a lot more to do with IP SLAs; feel free to update this script, based on an old "check_snmp_if" or something close to that. Enjoy it ;-))
Reviews (1) Add a Review
Very useful
by nagiosloom, June 30, 2015
I am using this plugin with IP SLA on the core switches at my customer sites to check that all internet connections remain up.

One glitch I noticed was that if the SNMP queries fail then the plugin may still return an OK status code. I fixed this issue by checking at the start of the "Output Phase" that the rtt_status hash is not empty:

if (! %rtt_status ) {
print "No SLA query returned a status.";
print "So returning CRITICAL status code.";
exit(2);
}
1 of 1 found this review helpful.
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