Cisco Wireless :: Power Draw / Usage For AIR-CT5508-K9?
Apr 17, 2012
What is the operating and/or peak power consumption (in kW) of a 5508 WLC with redundant power supplies?
The below power details are from the 5508 datasheet which lists 115 W as the maximum draw (0.115 kW) however this seems a bit low, is this right?
Input power: 100 to 240 VAC; 50/60 Hz; 1.05 A at 110 VAC, 115 W Maximum; 0.523 A at 220 VAC, 115 W Maximum; Test Conditions: Redundant Power Supplies, 40C, Full Traffic. Heat Dissipation: 392 BTU/hour at 110/220 VAC Maximum Cisco 5500 Series Wireless Controllers Data Sheet: [URL]
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Mar 20, 2013
Is it possible to lower the power draw on the Aironet 1552e AP (AIR-CAP1552E-N-K9) so it will run on a standard PoE device (IEEE 802.3af). The spec sheet for the AP says you need to either use the Cisco PoE injector (AIR-PWRINJ1500-2=).Is there possibly a firmware upgrade/downgrade or some sort of command I can use?The APs being used are running LWAPP and require a controller.
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Apr 2, 2013
I am trying find out what the nominal power draw is for the following switch. The installation manual and data sheets says that the power draw for the units are 15.1W and 15.7W maximum at 18VDC. I am trying to use the switch for a solar application (12VDC) and would like to find out what the nominal draw would be when the device is in standby or if all of the ethernet ports are unused. I plan to use the two fiber SFP's and one copper port.
IE-3000-4TC
IE-3000-8TC
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Jan 28, 2013
Whether we can configure HA between AIR-CT5508-100-K9 and AIR-CT5508-25-K9. Or we should require this AIR-CT5508-HA-K9 ?
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Oct 11, 2011
I have a customer who is concerned with the power draw on the new switches we're deploying.They only have 20 amp breakers in their closets and fear popping them on switch boot. The customer is under the impression that a switch will pull full power on boot. So a 3560X with an 1100w PSU will draw the full 1100w on startup. Ive never heard this and it doest make much sense to me, but I need to verify.
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Jul 12, 2011
Only because we want to updeate A/C system in server room, we need to know what Cisco 2800's the power usage and heat output are. It is on the racks and can't see its spesc.
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Jan 27, 2013
Is there anyway I can see the power usage on either a 3550 switch and/or 7301 router? I have some far away I wish to see the usage off.
Devices with module power supplies like cat 4500s/6500s/7600 etc all have commands like "show power ...", which will show me input voltage, current and power usage in watts. Is there anything like this for devices without module power supplies?
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Mar 25, 2013
We are buying some C6509Es with Sup2Ts and 8 port 10G cards. Would like to get a close estimate of the power consumption for our configured chassis. Does C6509E have at least the following components that can share their show power output.
Catalyst 6500 Enhanced 9-slot chassis 14RU no PS no Fan Tray1Catalyst 6509-E Chassis Fan Tray1Catalyst 6500 24-port GigE Mod: fabric-enabled with DFC41C6K 8 port 10 Gigabit Ethernet module with DFC4 (Trustsec)1Catalyst 6500 Dist Fwd Card DFC416908 10G baseboard1Cat6500 6000W AC Power Supply2Cat 6500 Sup 2T with 2 x 10GbE and 3 x 1GbE with MSFC5 PFC42Internal 1G Compact Flash2Cat 6k 80G Sys Daughter Board Sup2T PFC42Catalyst 6500 Supervisor Engine 2T Baseboard2Catalyst 6500 2GB memory for Sup2T and Sup2TXL2
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Mar 10, 2012
My two E3 boxes with 16GB each is feeling kinda cramped for what I want to do, 8GB unregistered ECC is still stupidly expensive, and a dual E5-2620 box with 12 cores/24 threads and 64GB of the much cheaper registered ECC, something like a 560Ti or equiv for playing around with remotefx, and a X540-AT2 or two when they become more widely available really sounds like a lot of fun.
Anyway the only concern I have is adding even more power to the ever growing power bill and heat load what with summer coming. My current setup uses around 320W, what the above system might draw at mostly idle and full load.
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Apr 3, 2013
however recently when i check my internet usage log on my wireless company (Rogers) the usage is totally off from what my bandwidth tracker shows me. So i decide to turn off my wifi and see what happens, there has always been this weird wifi connection appearing whenever my wifi appears, then afterwards when i turn off my wifi the suspicious wifi connections disappear. is this possible that someone is using our wifi? i might just be overreacting but it has brought me to concern that if the usage continues my family will have to end up paying over $30 for extra internet use. it is very frustrating me because when i check my DHCP client table it only shows 3 connection, ethernet - my desktop which is not turned on, 2 wireless connection - my laptop and my sister's laptop.
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Jun 8, 2011
How to draw a lan/wan diagram
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Nov 13, 2012
I was trying to draw a diagram for my network, when the following problem occurs.When using "show cdp neighbor" command on my primary core switch i see the proper name and interface # of the attached secondary core switch. However, upon using the "show cdp neigh fa1/1 detail" command (fa1/1 is the port i get that is attached directly to the secondary core switch and is the correct int that is connected to it) i get the wrong ip!!! The ip it gives me is not that of the secondary core switch but is that of the asa firewall!! When i go on the secondary core switch and do the same thing i get the same result but it gives me the ip of the 2nd asa firewall instead.
Notes: I am logged in to the management vlan. Firewall vlan is separate as well. asa is also connected to the switches but on different ports.
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Apr 25, 2013
Is it possible to have a license loaded on an AIR-CT5508-HA-K9 in order to have it working as a stand alone controller?
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Mar 11, 2012
we do have a site where we need to deploy AIR-LAP1142N-E-K9 and AIR-LAP1242G-E-K9 APs. We have two AIR-CT5508-K9 controllers with SW version 6.0.188.0.AIR-LAP1142N-E-K9s work okay, as expected, we do not have any problems with them.However AIR-LAP1242G-E-K9s do not, there is a problem with establishing CAPWAP tunnel with the controller.The AP is seen on the controller for a while, with 0 time up-time, cannot change any settings on the AP via controller, and after a while it disapears from the controller, apears again and this repeats.
The APs and controllers are connected to the LAN campus.Controllers via two 1G links configured as Etherchannel to WS-C6506-E VSS switch with s72033-ipservicesk9_wan-z.122-33.SXI1.bin on it.APs to WS-C3750G-48PS with c3750-ipbasek9-mz.122-50.SE2.bin on it. 3750 is connected to the C6505 via two 1G links configured as Etherchannel.Below I copied the log I captured on 1242 and the controller. Highlighted ones are the ones which I think might bring a clue.
I performed some troubleshooting steps.
- As we have some other controllers available over WAN, I tested the 1242 AP with 2100, 4400 and also with the same model AIR-CT5508-K9 with SW version 6.0.188.0 over WAN and this worked always okay.
- I wanted to be sure that I eliminate any kind of out of sequence packet issue, so I brought down all redundancy L2 links so that the L2 path from the AP to the controller was only through one leg links.
- I also brought the second controller down to eliminate potential issue with having two of them up.
- The AP gets its IP from DHCP configured on the C6506 switch, I am always able to ssh to AP, so the IP connectivity does not seem to be an issue.
- I have more 1242s, all behave in the same way. I also connected them to some other 3750 switches we have in the campus, always the same.
- As this seems to be maybe a kind of ssl issue, I tried to play with controller settings, like enabling Accept... options under Security/AP Policy,but this did not work.
- I also tried to reboot the controller, no improvement.
- The APs came from the factory, so in the beginning everything was factory default in them. They were always able to download the image from the controller in the very initial phase. I still do have some of them untouched, so I can perform any troubleshooting steps with the fresh one.I can reproduce this, can also send debugging logs if needed.
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This Discussion has been converted into document:- [URL]
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AIR-LAP1242G-E-K9 10.0.13.28 log
*Mar 1 00:00:05.922: %SOAP_FIPS-2-SELF_TEST_IOS_SUCCESS: IOS crypto FIPS self test passed
*Mar 1 00:00:07.536: %SOAP_FIPS-2-SELF_TEST_RAD_SUCCESS: RADIO crypto FIPS self test passed on interface Dot1 1Radio 0
*Mar 1 00:00:07.672: %LWAPP-3-CLIENTEVENTLOG: Read and initialized AP event log (contains, 304 messages)
[code]....
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Nov 28, 2011
I've two wlc model CT5508 version 7.0.116.0. They are working fine except for the RF grouping part. When I look at the RF Group members part in the configuration, I can see only one wlc (the one I'm connected to). If I connect to the second one, in the same part, I've just one controller (so the second one..). I tried to restart the algorithm but no change. Each controller is configured with Group Mode set to auto, and their respective role are auto-leader...I tried to change the RF group name on both wlcs, but it didn't fix the problem. When I look at the logs, there is one which appear quite often:
*emWeb: Nov 29 10:32:07.764: %LOG-6-Q_IND: dtl_arp.c:2581 ARP input q exceeds limit. Current val = 50 [...It occurred 38 times.!]
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Oct 3, 2012
I have issue about Wireless controler , i have 2x WS-C3750G-24WS and 1x AIR-CT5508-50-K9 , i have max 50 access point license and i can't upgrading because WS-C3750G-24WS is and of life , can i use AIR-CT5508-50-K9 with 3750G to work together? , mobility and everything....
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May 6, 2013
i received access point types AIR-LAP1252AG-E-K9, which i want to connect to my wlan controller AIR-CT5508-K9. Update from IOS etc. is working fine. Also all access points are recognized by the controller.We got the AIR-LAP1252AG-E-K9 with two antenna versions.
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Nov 7, 2012
I’m having a problem of joining new Aps( Ari-ap1242G-E-k9 ) to the following wireless LAN controller. WLC details as follows,
Model No - AIR-CT5508-K9
Software Version - 7.0.116.0
AP Model - ARI-AP1242G-E-K9
AP console logs attached in Error.jpg file
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Jan 28, 2013
Basically I need to upgrade the license for Base-AP count to add 100 more AP's however my vendor has provided hardcopy of license as below:
-LIC-CT5508-UPG
-AIR-CAS-3KC-K9
-AIR-WIPS-AP-5
-L-NCS-1.0-100-ADD
My understanding is rigister LIC-CT5508-UPG/PAK number on cisco site and get .lic file however what is the use of other PAK where do i register this files with? Moreover , we do have NCS , MSE in place which is centralised devices.
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Apr 1, 2012
i have setup of following AIR-CT5508-K9 controller and around 20 AP spread all over the place, two SSID one guest and one for my employees.
the one for guest has web authentication, using Iphone every 2 to 3 minutes it time out and i have to reenter the credentails for web authentication.
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Mar 11, 2013
I am running big wireless network, with 20no of 5500 with 7.0.116.0 version. I have more than 20,000 AP's. If i add some config in primary controller or do some changes or reboot all the AP's are moving to backup controller. this doesn’t have any problem, but many AP's which moved to backup controller are losing VLAN mapping. This happens every time. Primary --> backup, backup --> primary. Both controllers have same vern...same config etc..
AP model: AIR-LAP1252AG-A-K9
Controler model: AIR-CT5508-K9
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Sep 4, 2011
I get the following error message at startup.
---
Error (2048) found in fsck check - attempt to repair.---
What is the implication of the error message 106007? Do I have no problem continuing to be left out of this error?
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Feb 24, 2011
I want to confirm if the access point (AIR-AP1141N-E-K9) can work with the Wireless LAN Controller (AIR-CT5508-25-k9)
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Jul 30, 2012
When a client connecting to a specific AP (example AP01), after every 1800 sec uptime it will reconnect and join other unit AP (example AP02)Both AP physically installed distance is around 6 meters from each other. I conduct the testing where i get myself sitting in middle between these two APs.
01. If i disable settsion timeout this feature, or setting the seconds become higher value, what's the performance and security impact? Is it recomend to change the default 1800 seconds session timeout?
02. Is there anyway i can tweak on WLC controller to prevent the client after session timeout then associate with another AP. This will lead major performance impact as the client woudl possibility connect to the weak signal AP and effect on the performance.
These are the details for reference:Client detail
- Dell DW1520 wireless-N WLAN card, with firmware version 5.100.235.12
- CCX version 4 supported
- Layer 2 security is WPA2 personal with PSK.
- wireless radio an
Controller detail:
model is AIR-CT5508-K9
software version is 7.2.110.0
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Jul 21, 2011
I keep getting alerts from our WCS stating that our 1252s are drawing low power. Now I am aware that they require enhanced PoE (up to 20W) but as we only have standard PoE in that building we purchased the 1252 series power injectors to go with them.
However, even with the correct power injectors the WCS still reports the draws low power error.
Is this a bug? Running WCS 7.0.172 at the moment.
Forgot to say we are using the PWR-INJ4 and the injector status is enabled and you see the injector MAC address when you drill in to the AP status.
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Sep 25, 2011
I want to change the management IP of our wireless controller, I have 5 LAP1142N connected to this controller.
I have a few questions before I will do this task.
1. If I change the management IP, will the controller need a reboot?
2. Will the AP's automatically sync with the new management IP?
3. Do I need additional configuration on the AP's?
4. What else do I need to consider.
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Jun 11, 2012
Q: a client has a network with 60 AP's controlled by a AIR-CT5508-50-K9 (+ L-LIC-CT5508-25A) with a redundant power supply. Can he get full redundancy by purchasing a second controller? If he purchases one, can he bring it into the network? What about the extra license for 25 extra AP's installed on the first controller?
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Jun 28, 2010
I have this Wireless deployment :
Main Site: WLC AIR-CT5508-50-K9
WCS 6.x for 50 APs
(32 ) AP 1140
02 Remote Sites : 03 AP 1140 using H-REAP
Now, my company is considering to implement a wIPS solution, so i planned to install in the Main Site a MSE3300 and (01) AP 3500e as a wIPS AP Monitor in the remote sites,
Need to confirm:
A) Can an AP3500 work with HREAP and as wIPS monitor AP at the same time? or in other words, if it is possible to have an AP wIPS monitor far away from the WLC (over the WAN)?
B) What are the requirements of WAN link if I want to install a Centralized MSE 330 Engine,which perform the wIPS solution in all the network.
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Aug 8, 2012
How many watts do the Cisco SGE2010P 48 POE switches draw?
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Oct 30, 2011
Some of my Lightweight Access Points lose connection every 10 minutes now, it worked without problems before.
I'm using an AIR-CT5508-K9 Controller with Version 7.0.116.0 and AP are all AIR-LAP1242AG-E-K9.
In the log I find informations about my node changing his parent and then reseting the radio interface.
I checked my configuration, but perhaps I missed something.
7Mon Oct 31 14:35:11 2011AP's Interface:0(802.11b) Operation State Up: Base Radio MAC:00:3a:99:90:55:c0 Cause=Radio interface reset. Status:NA8Mon Oct 31 14:35:11 2011AP's Interface:0(802.11b) Operation State Down: Base Radio
[Code]......
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Jun 9, 2013
I am receiving the following error on 3750 stack switches. have already verified the power status and found ok.
IOS used: Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 12.2(55)SE3, RELEASE SOFTWARE (fc1)
211540: Jun 10 10:45:17.935 UTC: %PLATFORM_STACKPOWER-4-UNBALANCED_PS: Switch 4's power stack has unbalanced power supplies
211541: Jun 10 10:46:18.045 UTC: %PLATFORM_STACKPOWER-4-UNBALANCED_PS:
[Code]....
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Sep 4, 2012
After stacking two 3750X switches, with four equal power-supply's, with StackWise and PowerStack , still got the next message every few hours %PLATFORM_ENV-1-FRU_PS_ACCESS: FRU Power Supply is not responding (gn4m-rt1p08-04-2)( note that the message revers to the second switch in the stack ) although the stackwise and powerstack on the switches is oke and are working correctly. !
Config : Stack-power in power-sharing mode/strict With CLI on the switch : All the power supply's and stack-power details, prio look OK.
Only: LMS prime /inventory/cisco-view/configure/power supply status result : some power supply's are marked as disabled.with the command > power supply 2 slot a off/on I manage to get the status back to "normal", but after a few hours some power supply's are again marked as "disabled".
Looks like SNMP en IOS difference from opinion.
Hardware
WS-C3750X-24S-S
C3KX-PWR-350WAC
Software
15.0(2)SE
C3750E-UNIVERSALK9-M
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Apr 14, 2013
We have two switches of the same model (WS-C3560-48PS-S) that are not providing PoE. I'm trying to remotely determine what the cause of the issue is.
Here is some output.
Hostname#show power inlineAvailable:0.0(w) Used:0.0(w) Remaining:0.0(w)
Interface Admin Oper Power Device Class Max (Watts)--------- ------ ---------- ------- ------------------- ----- ----Fa0/1 auto off 0.0 n/a n/a 15.4Fa0/2 auto off 0.0 n/a n/a 15.4Fa0/3 auto off 0.0 n/a n/a 15.4Fa0/4 auto off 0.0 n/a n/a 15.4Fa0/5 auto off 0.0 n/a n/a 15.4Fa0/6 auto off 0.0 n/a n/a 15.4Fa0/7 auto off 0.0 n/a n/a 15.4Fa0/8 auto off 0.0 n/a n/a 15.4Fa0/9 auto off 0.0 n/a n/a 15.4Fa0/10 auto off 0.0 n/a n/a 15.4(code)
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