My workplace just bought a lot of Cisco AP (2602i) and a WLC 2500 and I'm in deep trouble trying to monitor them with Zabbix, wich is the SW we use for our whole Network.
After a lot of time I got to monitor the CPU use (in %), traffic of each interface, the AP serial number and the AP software version.
I really need to monitor how many clients are connected (associated) to each radio and if the AP mode Flex Connect it is activated or not.
I would really appreciate some help with this, I'm out of ideas!
Thanks you soooo very much!
Some extra info regarding my APs:
Cisco IOS Software, C2600 Software (AP3G2-K9W8-M), Version 15.2(4)JB3, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2013 by Cisco Systems, Inc.
Compiled Wed 18-Dec-13 22:30 by prod_rel_team
ROM: Bootstrap program is C2600 boot loader
BOOTLDR: C2600 Boot Loader (AP3G2-BOOT-M) LoaderVersion 12.4(25e)JA1, RELEASE SOFTWARE (fc1)
AP6c41.6aa3.4b6e uptime is 1 week, 4 days, 3 hours, 16 minutes
System returned to ROM by power-on
System image file is "flash:/ap3g2-k9w8-mx.152-4.JB3/ap3g2-k9w8-xx.152-4.JB3"
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cisco AIR-CAP2602I-A-K9 (PowerPC) processor (revision A0) with 204790K/57344K bytes of memory.
Processor board ID FTX1723J66B
PowerPC CPU at 800Mhz, revision number 0x2151
Last reset from power-on
LWAPP image version 184.108.40.206
1 Gigabit Ethernet interface
2 802.11 Radios
32K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address: 6C:41:6A:A3:4B:6E
Part Number : 73-14588-02
PCA Assembly Number : 800-37899-01
PCA Revision Number : A0
PCB Serial Number : FOC17191EJT
Top Assembly Part Number : 800-38356-01
Top Assembly Serial Number : FTX1723J66B
Top Revision Number : A0
Product/Model Number : AIR-CAP2602I-A-K9
Configuration register is 0xF
AP6c41.6aa3.4b6e# Connection to 172.19.0.110 closed by remote host.
Connection to 172.19.0.110 closed.
Well if your trying to telnet or ssh, you need to enable that on the CLI of the WLC:
config ap telnet enable all
config ap ssh enable all
config ap mgmtuser add username <username> password <password> secret <secret> all
Thanks for your answer! But it is not I'm trying to telnet or ssh, I'm trying to monitor via OID how many clients are associated to my AP...
not sure if still of concern after a month. But maybe for somebody else looking:
I think you might be attacking the problem from the wrong end. All information you need, is controlled by the WLC. The AP´s are just (more or less..) dumb extensions for the WLC. You don´t need to access the ap´s for this information. The WLC already has it!
Thanks for your answer, but that wasn't the issue.
I'm monitoring my APs THROUGH the WLC, the thing is, I need de OIDs to do so.
Some I found using the OID navigator here --> http://tools.cisco.com/Support/SNMP/do/BrowseOID.do but, not all of the OIDs are 'translated' there.
For example, the one regarding clients connected (which I found doing some tests long after I started this thread) it is not indexed there!
I'm don't want to use the monitor software Cisco sells because my network has a lot of AP flavours from different vendors and Zabbix can put them all together but I'm having a hard time with the Cisco APs.
Did you finally manage to monitor the WLC with zabbix? if yes will be great if you share a little howto about it.
I didn't really solve my problem.
I managed to monitor some items (connected clients, rogue aps, eth rx total, eth tx total, last reboot reason, lwapp image version, lwapp os version, mac address eth, ap name, power status, ssh enable, shown in the attachment) but those are just regular items and, to be able to monitor them, after each OID I had to write the AP's mac address in decimal format (which I did using Macro's to make it automatic, taking it from another OID).
Now at this point I have two issues:
First - using this template, which I applied one per AP host referring to the WLC IP address, makes my Zabbix Queue and Zabbix busy unreachable poller processes go up to the sky, which is no good at all and that's why I'm still working on how to fix this (maybe changing the way I monitor de APs at all).
Second - I still couldn't monitor important stuff regarding reach radio (for example), since all my APs have two radios and I find it interesting to monitor which channel are they at. The issue with this is (after a little internet research) that Zabbix allows me to use a Discovery Rule with only one variable field, in this case, the AP's mac address. It wouldn't allow me to double the Discovery Rule.
Let me be more explicit regarding this second issue with an example.
220.127.116.11.18.104.22.168.522.214.171.124.1.21 is the OID where I can find info regarding the radio channel.
126.96.36.199.211.112 is my AP's mac
0 or 1 indicates which radio I'm talking about (also dynamic as you see).
So to get that info it would be something like (and its response):
188.8.131.52.184.108.40.206.5220.127.116.11.18.104.22.168.22.214.171.124.0 = STRING: "This is a 802.11b/g interface, slot ID is 0"
126.96.36.199.188.8.131.52.5184.108.40.206.220.127.116.11.18.104.22.168.1 = STRING: "This is a 802.11a interface, slot ID is 1"
So as you see, I have to variable fields, the AP's mac and the radio index (0 or 1).
I would really love to monitor it with the help of a discovery rule, a double one which doesn't exist.
Of course you can do it manually, for each of your AP's radios and for each of your APs but, in my network scenario, we have more than two or three APs so it makes this impossible and poorly efficient.
I'm sorry for not having the answers and I really hope this helps you.
If you just want to monitor the WLC using SNMP v3 I can tell you the config lines I used. This I managed to do but still, I don't have all the info I want since to find the right OID with the right info (which Cisco do not provide since they want you to buy they monitoring software) it is a real pain, but still, I manages to find and monitor an item or two.
Please let me know if you need help with this.
Connect your internet connection from ISP to server.
Connect all your APs with any Cisco Switch and then provide internet to users from that switch.
I finally found the OIDs for the number of clients!
Total number of clients: .22.214.171.124.126.96.36.199.6188.8.131.52.0
Number of users per AP: .184.108.40.206.4.1.14220.127.116.11.1.4
Thanks so much for you information!
Sometime ago I found the OID for the associated clients myself and that is the one I'm using and it's none of your suggestions haha.
Maybe is just another way to monitor them.
The OID I'm using, which shows through the WLC (you have to set it to the WLC's IP) is:
CISCO-SMI::ciscoMgmt.518.104.22.168.1.72 but, right after the .72, you need to add the AP's MAC address in decimal numbers..
We found it testing with an AP and people connecting to it and comparing files...hard work but happy result.
Now I'm trying to monitor the WLC's ARP table cache since there is a bug and it doesn't free itself, the number just keeps growing until we have to reboot our WLC....maybe you know where I can find thar OID =)
Thanks a lot!
I would recommend to Connect your internet connection from ISP to server.
After that you can Connect all your APs with any Cisco Switch and then provide internet to users from that switch. source: www.simpalm.com