Cisco Switches :: Power Save Feature Of SG 102-24 Can Be Disabled
Jul 17, 2011
Does the power save feature of the SG 102-24 can be disabled somehow ? Our college just purchased 24 of these switches. We are having a problem with the switches affecting some of our monitoring software (Vision from Nettop).Basically, the client pc's become invisible to the master station. I believe this is due to the ports doing an automatic shutoff.I know these switches are unmanaged, but I'm hoping they at least have some form of configurability. Right now our only option is to have an instructor cycle the power of the switch to get the client pc's visible again.
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Jan 19, 2011
After I installed on Win7 OS, I can't find the Power Save management of WUSB600N which on Windows XP I can see it in following path:Wireless Network Connection Status > Propeties > General > Configure > Advanced > Power Saving Mode. PS: I installed the newest version for Win7 OS.
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Aug 23, 2011
I have a stack of five 3750X's connected in a single stack with the stackwise cables. Within this one stack, I created two power stacks, one power stack has 3 switches and the other has two switches. In each of the separate power stacks, one power stack port on a switch shows "shut", so the power stacks are not operating in a full ring. Is there a way to do a "no shut" on those stacks ports that are shut? IOS is 12.2(55)SE1
Here is the configuration -
stack-power stack XXX
stack-power stack YYY
!
stack-power switch 1
stack XXX
stack-power switch 2
[code]...
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Jun 5, 2011
I have Linksys SPS224. I've learnt how to change some parameters through SNMP. But this changes are applying to running-config, and, when switch reboots, all loose.
How can I save this changed running-config to startup-config through SNMP?
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May 6, 2013
can you stack a 3750 switch over fiber.....the answer is no, but the virtual switching supervisor 720-10G for the 6500 can create one virtual switch using two 6500s...
how can we get cisco to come up with a way for access switches to be stacked over fiber similar to above supervisor? i know of few of my site that would benefit from this...maybe they can come up with a vss appliance, similar to a media converter, to convert stackwise over fiber...then of course, you would need the same appliance on the other end....
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Jan 4, 2013
I have an SG-200-8 which connects to a stacked pair of SG500-28P switches. It is powered by PoE from the SG500. From the SG500 the port appears Up, but at the the SG200 it is disabled and nothing I do re-enables it. I know the cable is good because I had a previous netgear switch hanging off it and working, also the power gets through.I can only connect to the switch if I disable wifi and plugin a manually configured PC - DHCP doesn't get through to it from the SG500 end.I have tried a second SG200 same problem. Have disabled RSTP/ STP thinking it might to relate to the fact that a PC connected to the switch also had a wifi connection to the same LAN, but. Don't know where to go next. looks like a bug?
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Jan 5, 2011
why do my DHCP for DLINK DSL-2540T always keep disabled although i already set for enabled one day before?
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Dec 3, 2012
I have a SF-300-48P that is power cycling all POE ports (in use) exactly every 30 minutes. The other older cisco POE switches we were replacing did not have this issue. We have about 40 cisco SPA942 IP phones connected to it. Power consumption is about 175 watts total.
This is my second switch, previously tried a SG500X-48P with the same result.
how to stop it from cycling?
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May 3, 2012
I have a Cisco SD208P. Is this a PSE of type A or B (endspan or midspan)? The switch does not seem to power PoE devices via the data pairs only.
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Sep 6, 2012
I would like to ask the correct part number of the power adapter on WAP4410N?
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Apr 4, 2013
We have several SF-300-48P switches, eveytime there is a power failure the switches need to reboot 2 or 3 times before they are able to route packets again.
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Dec 27, 2012
We are looking for a power adapter for a cisco switch Sf302-08p. We can't find the adapter anymore and we have to order a new one, but we can't figure out the order number of the adapter. The voltages is 48vdc and has an 4 pin connector . What is the type or ordernumber of this adapter?
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Sep 10, 2012
We have an SG300-28P which, at intervals between 5 and 30 minutes or so, drops power to all of its POE-powered ports and then immediately restores power. The switch logs nothing when this happens other than recording that the ports went down and back up, even with debug logging enabled. Non-POE ports are not affected.
When the problem started there were only four POE-powered devices on the switch and we are far under our power budget. (While testing I added a fifth device, see below.)
Not all combinations of devices cause the drops to occur -- specifically, it looks like having devices on ports near each other causes the drops. When the drops occur, the absent counters of all of the POE devices increment. I noticed this earlier thread here seemed similar: [URL]
but in that case, he got no power at all in the adjacent configurations, instead of having it drop every several minutes.
I'm running
sw06#sh ver
SW version 1.1.2.0 ( date 12-Nov-2011 time 23:34:26 )
Boot version 1.1.0.6 ( date 11-May-2011 time 18:31:00 )
[Code].....
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Aug 28, 2011
We have 2 of the SG200-26 switchs. When ever we loss power all the settings are reset to default. Even if we loss power for 1 min. This includes the IP, user, password, etc. How can I change this so the settings are saved?
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Sep 17, 2011
the only change that survived power cycling is the change of default password that it forced me to do.
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Jul 10, 2012
I use Cisco switch sg300-28. When i turn it off and turn on, it reset to factory reset include login password, dose it normal operation or I miss anything?
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Apr 13, 2010
What is the SRW208MP AC Power Adapter Part Number and where can it be ordered from ?
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Jun 1, 2013
Does SG500X support the following
redundant Power Supply?PIM sparse mode (PIM-SM), PIM dense mode (PIM-DM), and PIM sparse-dense mode?Layer 4 prioritization: enables prioritization based on TCP/UDP port numbersUni-Directional Link Detection (UDLD) — monitors a link between two switches and blocks the ports on both ends of the link if the link goes down at any point between the two devices
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Feb 26, 2012
Essentially, not all ports on our brand new SG300-28P switches provide Inline Power to our older 7900 series phones. I can connect the phone a couple ports down and it usually powers up, but not always. Often I can also connect an 802.3af device to one of the troublesome ports and it will received power, however I am noticing there are some ports that now refuse to supply PoE at all?
This is equipment that has been running perfectly fine for several years now, on C3524 PWR XL switches. I can also tell you that this is not isolated to one switch, but all 5 of our SG300 access switches. And, yes, the firmware has been updated to 1.1.2.0.
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May 5, 2012
Thinking back, about a month ago I updated the firmware (I can't check version at the moment). The switch has been working fine since then. Today I needed to move some power cables and the switch lost power. Now ALL of the LED lights are flashing green and I can't access the switch. I've tried setting a static IP on my laptop to 192.168.1.20, mask 255.255.255.0, and accessing the switch on 192.168.1.254, but there's no response. I've tried holding in the reset button for at least 30 seconds while the switch is powered on, AND while powering it on. None of that has worked. Also when I first power it on, the system LED flashes orange very quickly for a second or so, then all of the LEDS start flashing green.
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Apr 22, 2012
how many PoE power from SG100D-8P ? its all 8 port support PoE ?
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Apr 12, 2011
I connected an EnGenius M5000 AP/Bridge to a switch, a Modem (VSAT) is also connect to the switch and aslo my Desktop standalone PC. All instructions were followed to install the EnGenius M5000. However, only the Power,Lan, and Wan light indicators are on but the Link/Signal indicators - red, yellow and green are not coming on.I tried pinging 192.168.1.1 according to the default IP address, but still there was no responds. Even I tried resetting it on the firmware, but it can not ping
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Oct 22, 2012
I am connecting power cable (series power cables) on 3750 stacks. i have connected them the same way the stack cables are connected i.e. fo rexample on a stack with 3 3750s:
1- fitst slot on fist switch connected the second slot last switch in the stack.
2- second slot/ port on the first switch to the first on second and seoncd on teh second switch to first on the third switch.
this how they are alway been stacked.Now, I need to connect power cables and I have followed the same method for stacks up to 4 switches. it seems that if a stack has more tham 4 switches, then the cabling will be dofferent!?I was wondering what will be on the cabling scheme for stacks more than 4 switches.
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Dec 27, 2012
I'm trying to get some clarity on power stacking 3750X switches. I have a new stack of 6 switches. I know I can only have 4 in a power stack and all 6 in the data stack with a max of 8. I'm trying to find the proper way to connect the power stack cables for the 4 switch power stack.
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Mar 28, 2012
In my office we bought 7 cisco 3750X - 48PS switches. We configured Data Stacking between those switches. We also want to configure Power Stacking between those 7 devices.
I found in the Data Sheet that we can only configure 4 devices in power stacking at a time. If it is like that how to configure the rest of 3 devices. Need configuring power stacking between those devices in a better way..
power stack cable part no we have is
CAB-SPWR-30CM
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Aug 11, 2011
The switch sge2000-g5 a small business switch, has a redundant power supply port built in the switch. It is a port that handles a 12v power supply. My problem is to find the exact device to supply the power to this port so I can have, obviously, a redundant power in my switch. This switch is actually out of production.
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Aug 26, 2012
Is there a way to ask the above switch how much power it's supplying to various ports?I've found some stuff in POWER-ETHERNET-MIB, but it's only the main power supply and the up/down status of the various ports.
It looks like what I want is
[URL]
but my SG500 tells me:
snmpwalk -v2c -cpublic serverswitch 1.3.6.1.4.1.9.9.402
CISCO-SMI::ciscoMgmt.402 = No Such Object available on this agent at this OID
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Aug 15, 2012
We have small network with 15 Computers all connected to SRW224G4 . After a power brake our switch dosent "boot" anymore. I see all leds working flashing etc but no network acces, no Serial acces. When i try connecting to serial port and "reset" device the screen is blank.
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May 10, 2012
Does a portable RPS device either from Cisco or another manufacturer exists, that would allow you to move primary power for a switch without causing an outage? I realize that for the Catalyst 3560 for example, you can get an RPS 2300 or 675, but my understanding is that these are made for a more permanent installation, not to mention rather costly.
It looks like the RPS 675 is rather inexpensive after all, especially in the secondary market, but still rather large for toting around.
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May 7, 2013
How to properly power down the Nexus 5000 and the fabric interconnect switches? I have looked up and down cisco's and google web for steps, but they are all coming back with the answer to just disconnect the power cables after you have power down all the windows os and exs servers. Before i do that, I just wanted to make sure that that's the correct way to do it or if there are actual commands that I will need to run on the devices to properly power down. I know that the FI do have a command to reboot, but i need them to completely be power down.
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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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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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