Nagios monitors Cisco switch traffic

1. Enable SNMP on the switch and configure the community name (Swap changer IP192.168.5.209)

   Switch (config) #snmp-server Community public ro

   Switch (config) #snmp-server Community public RW

2. Get the index information for the switch by entering the following command on the Nagios server

[Email protected] ~]#/usr/local/nagios/libexec/check_traffic.sh-v 2c-c public-h 192.168.5.209-l

List Interface for host 192.168.5.209.

Interface Index 1 orresponding to Vlan1

Interface index 10001 orresponding to FASTETHERNET0/1

Interface index 10002 orresponding to FASTETHERNET0/2

Interface index 10003 orresponding to FASTETHERNET0/3

Interface index 10004 orresponding to FASTETHERNET0/4

Interface index 10005 orresponding to FASTETHERNET0/5

Interface index 10006 orresponding to FASTETHERNET0/6

Interface index 10007 orresponding to FASTETHERNET0/7

Interface index 10008 orresponding to FASTETHERNET0/8

Interface index 10009 orresponding to FASTETHERNET0/9

Interface index 10010 orresponding to FASTETHERNET0/10

Interface index 10011 orresponding to FASTETHERNET0/11

Interface index 10012 orresponding to FASTETHERNET0/12

Interface index 10013 orresponding to FASTETHERNET0/13

Interface index 10014 orresponding to FASTETHERNET0/14

Interface index 10015 orresponding to FASTETHERNET0/15

Interface index 10016 orresponding to FASTETHERNET0/16

Interface index 10017 orresponding to FASTETHERNET0/17

Interface index 10018 orresponding to FASTETHERNET0/18

Interface index 10019 orresponding to FASTETHERNET0/19

Interface index 10020 orresponding to FASTETHERNET0/20

Interface index 10021 orresponding to FASTETHERNET0/21

Interface index 10022 orresponding to FASTETHERNET0/22

Interface index 10023 orresponding to FASTETHERNET0/23

Interface index 10024 orresponding to FASTETHERNET0/24

Interface index 10101 orresponding to GIGABITETHERNET0/1

Interface index 10102 orresponding to GIGABITETHERNET0/2

Interface index 10501 orresponding to Null0

3. Obtain the F0/1 traffic information for the switch by entering the following command on the Nagios server

[Email protected] ~]#/usr/local/nagios/libexec/check_traffic.sh-v 2c-c public-h 192.168.5.209-i 10001-w 200,300-c 400,500-k-B

Ok-it ' s The first time for this plugins run. We ll get the data from the next time.

#第一次提示OK ..., enter this command again after 30 seconds

[Email protected] ~]#/usr/local/nagios/libexec/check_traffic.sh-v 2c-c public-h 192.168.5.209-i 10001-w 200,300-c 400,500-k-B

Ok-the traffic in are 1.00KB, out are 0.62KB, Total is 1.62KB. The Check Interval is 46s | In=1.00kb;200;400;0;0 Out=0.62kb;300;500;0;0 Total=1.62kb;500;900;0;0 Interval=46s;1200;1800;0;0

4. Add the check_traffic command in Commands.cfg (added in monitoring Windows traffic)

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44 Remove the Cfg_file=/usr/local/nagios/etc/objects/switch.cfg #

6. Modify SWITCH.CFG, define switch hostname and monitor service

[Email protected] ~]# vim/usr/local/nagios/etc/objects/switch.cfg

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25 using Generic-switch, this template already exists in templates.cfg defined

26 the hostname is used by default and can be customized

28 IP of the switch

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104 Services-pnp, using paint, with PnP only effect

105 Host name links-srw224p to monitor, defined in 26 rows

106 Service Description Name customization

107 Check command check_traffic already defined in Commands.cfg 10001 is the switch F0/1 's index value 200 400 is

The In/out flow (in kilobytes) exceeds this value to warn that 500 800 is the incoming/outbound traffic exceeding this value will alert (set these traffic values according to the actual situation)

7. Test the modification for errors and restart the Nagios process

[Email protected] ~]#/usr/local/nagios/bin/nagios-v/usr/local/nagios/etc/nagios.cfg

[Email protected] ~]# Ps-ef | grep Nagios

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[[email protected] ~]# kill 16416

[Email protected] ~]#/usr/local/nagios/bin/nagios-d/usr/local/nagios/etc/nagios.cfg

8. Visit the Nagios monitoring page

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Tip/var/tmp have a temporary file, the temporary files under the/var/tmp/all deleted

[Email protected] ~]# cd/var/tmp/

[Email protected] tmp]# Rm-f *

Then kill the process, start the process, refresh the monitoring page

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Summary: This article is based on the previous few to continue to do

Nagios Service setup can be referenced http://nmszh.blog.51cto.com/4609205/1551295

Snmpd.conf settings refer to http://nmszh.blog.51cto.com/4609205/1554465

SERVICES-PNP can refer to http://nmszh.blog.51cto.com/4609205/1551644

This article from "Dream Three" blog, declined reprint!

Nagios monitors Cisco switch traffic