Cisco Switching/Routing :: Calculating Power Requirements For WS-C3750X-48PF-L 

May 3, 2012

I want to chose the right UPS product for 7 x WS-C3750X-48PF-L in one stack. The Cisco data sheet says 1100W AC, however, I am only connecting 20 IP Phones, each phone will consume around 12.2 Watts.
 
So in this case, How many watts would I need for the whole 7 switches in the stack ?
 
in other words, only the first switch in the stack will be connected to 20 IP Phones, but the remaining switches in the stack will be Data Only thought the remaining switches in the stack are capable of delivering a full PoE.
 
the power consumption of the WS-C3750X-48PF-L with only data connected to it.

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Cisco Switching/Routing :: Calculating 4500X Power Consumption Requirements To Select Appropriate UPS Systems

Jun 2, 2013

I am calculating Cisco 4500X power consumption requirements to select appropriate UPS systems. I have 4500X switch with dual power supplies.which value should I take for power consumption calculation, in data sheet it has two values: AC Power Max Rating: 750W System Power Consumption: 330W nominal/400W max
 
Which values should I take, to calculate UPS systems capacity? And also I am interesting when 4500x has two power supplies what is power consumption?

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Cisco Switching/Routing :: Can Stack Ws-c3750x-48p-l And Ws-c3750x-48pf-s

May 16, 2013

Recently one of our stack switch got failed, Rma raised but we received some different part number.The dobut is like can we stack the below switches.
 
ws-c3750x-48p-l v02 (old switch)
 
ws-c3750x-48pf-s v04 (RMA switch)

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Cisco Switching/Routing :: WS-C3750X-48PF-S CPU Utilization

Feb 12, 2012

First of all I purchased the switches with part no. WS-C3750X-48P with the following IOS c3750e-universalk9-mz.150-1.SE1 & IOS feature license to work as ipservice.
Symptoms:

1)      - When running the switches in stack mode (connecting the booth switch with full-duplex stack) I found the cpu utilization on each switch reached to 34% The Hulc LED Process reaches to 20%

3)      - After about 1 hour  with no connections to the switch I found the status not changed.

4)      - I tried to run each switch in stand-alone mode (without stack cables connected) & monitor the status of the cpu utilization. I found it the same problem exist. Actions taken:

1)      - Refereeing  to the internet I found a bug ID describing the status of the mentioned symptoms (attached)

2)      -  I made a down grade for the IOS version to be  c3750e-universalk9-mz.122-58.SE2.bin

3)      -  The mentioned IOS solved the Hulc LED Process (became 1 : 3 % ) & however cpu utilization became 18% with no links or traffic connected to the switches.

4)     - I guess that 18 % utilization is too much for a free switch (refer to the show run file) as I did not configure any advanced commands.

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Cisco Switching/Routing :: Replacing WS-3750-48p With WS-C3750X-48PF-S?

Mar 10, 2013

In my MDF I have a 4stack of the WS-3750-48P switches. Is it possible to replace one with a C3750X48PF-S with out causing any issues? Or would it be better to just have 3 stacked and trunk this one to the core 4506. Keeping in mind I bought this one to expand the port number for one of our remote offices.. I would hate to send them the gig switch when there isn't as much usage..Besides if I can get my CFO on this switch he might authorize me to replace the rest... He is reticent to believe it makes really all that much of a difference.

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Cisco Switching/Routing :: WS-C3750X-48PF-S Connection With HP DL380 Gen8

Dec 4, 2012

I would like to connect a DL380Gen8 to a Cisco 3750X using 10G.
 
On  HP side, i have a Ethernet 10Gb 2-port 530FLR-SFP+ Adapter (without any  SFP) and a WS-C3750X-48PF-S + a C3KX-NM-10G= module (without SFP).
 
What kind of cable and/or SFP are suitable to connect everything together ?

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Cisco Switching/Routing :: C3750X - Power Stack Configuration

Oct 26, 2011

Any issues are reported while configuring power stack ? We did several times with 12.2.58SE1 and SE2, sometimes the power stack is created automatically, sometimes needs to be configured manually. Looks like the behavior is not the same. Maybe it depends on the number/type of switches and number/type of power supplies.

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Cisco Switching/Routing :: C3750X Stack Power Cables End Colors

Oct 26, 2011

Does the color strips on C3750X stack power cables mean anything, I mean the green and yellow ones. On all Cisco pictures the green one seems to be plugged in the upper ports. I asked local Cisco representative, but he seems not to be sure. We tried to try different scenarios, and it looks like it does not matter what cable end we use. We do not have any external power supply, only interconnecting C3750Xs.

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Cisco Switching/Routing :: Stacking WS-C3750X-12S-E And WS-C3750X-48P-E

Nov 7, 2012

Can i put in stack the ws-c3750X-12S-E and ws-c3750X-48P-E? considering the follow features:
 
WS-C3750X-48P-E (Catalyst 3750X 48 Port PoE IP Services)
S375XVK9T-12253S
CAT 3750X IOS UNIVERSAL WITH WEB BASE DEV MGR
 
WS-C3750X-12S-E (Catalyst 3750X 12 Port GE SFP IP Services)
C3KX-NM-10G
S375XVK9T-12255SE
CAT 3750X IOS UNIVERSAL WITH WEB BASE DEV MGR

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Cisco Switching/Routing :: Use WS-C3750X-12S-S And WS-C3750X-24T-S In A Stack?

Jan 8, 2012

Can we use WS-C3750X-12S-S and WS-C3750X-24T-S in a single stack?

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Cisco WAN :: C6503-E Power Requirements

May 4, 2011

regarding the power requirements. I have this Cisco 6503-E switch and I need to know what I need in terms of power.
 
The manual says if using 120VAC, I will need 16A. If using 230VAC, the unit will require 8A.
 
I have 2 dedicated 20amps circuits both at 120V. Am I correct on plugging each of the power supplies of the cisco unit to each of these circuits?
 
Another question will be, do I really need to dedicated 2 dedicated 20amps circuits for the unit? Can't I just use one dedicated 20amps circtuis and connect both power supplies to it?

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Cisco Wireless :: Power Requirements For 1042 Mesh Network

Apr 8, 2012

this note is from the 5508 controller config manual, does this apply to 1040 access points in a mesh network? 
 
Note:The recommended power source for MAPs is either a power supply or power injector. PoE is not a recommended power source for MAPs.

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Cisco :: C3750X Power Supply OIDs

Oct 8, 2012

We are trying to monitor two stacks of CISCO WS-c3750X running IOS 12.2.(58)SE.
 
We can get the state of the power supplies, but after a power cycle or reboot of the switches the identifier of ONE of the Power supplies ALWAYS change. The OIDs for the rest of the PS do not vary. The problem happens in the two stacks.

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Linksys Wireless Router :: WRT54G Versions And DC Power Requirements

Feb 19, 2010

I have many of these, many models and versions.  I have a WRT54G v1, V1.1, V2....V8,  I also have WRT54GS's WRT54GL's and others, Lots of other Linksys stuff, almost all of it in the Blue and Black boxes of varing sizes.I have a heck of a time when I reconfigure my network or the wife changes the furniture.  I'd love a single document that lists the power specifications and adapter requirements for thens devices... I can't find them any where on the Linksys site.  I Have looked and searched and nowhere can I find a consolidate list. 
 
Any have a list of the DC power Specifications, Barrel sizes, and other stuff needed to buy a replacement Power adapter. This page url...lists a lot of information but does not list this critical information... I am amazed that Linksys does not have it listed some where here.  Losing a wall wart should not be a reason to pull you hair out, just a simple purchase,  If they don't want to stock them, then at least tell us what they are.

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Cisco Infrastructure :: Power Consumption Of C3750X And C3560X

Oct 16, 2012

I am finding the power consumption of WS-C3750X-24T-L, WS-C3750X-48T-L, WS-C3560X-48T-L and WS-C3560X-24T-L switches?

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Cisco Switching/Routing :: 800 Series Requirements

May 14, 2013

I need to choose router for my network. I don't have any special need, besides Internet connection and DHCP for some guest clients.There are around 30 IP phones (static IP), 30 PCs (static IP), and 10 wireless APs (users get dynamic IP). Maximum load is 5 phones, 5 PCs and 20 phones/laptops connected via wi-fi.
 
I guess I should go for Cisco 800 series. Would model 861 be good or I will need 881 or even 891?

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Cisco Switching/Routing :: 6509-E / IOS Requirements For VSS And ACE Module?

Sep 10, 2012

I have a pair of 6509-E Switches running VS-720 Supervisors. We are planning to add Ace Module onto the 6509-E. Will IP Base Image suffice the requirement? Will Ace Module work with only IP Base Image?

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Cisco Switching/Routing :: 6509 / WISM Requirements For VSS?

Feb 14, 2012

I have the following on my 6509:
 
Mod  Port Model              Serial #    Versions
---- ---- ------------------ ----------- -------------------------------------
  1   10  WS-SVC-WISM-1-K9   XXXXXXXXXXX Hw : 2.2
Fw : 12.2(14r)S5
Sw : 12.2(18)SXF16
Sw1: 8.6(0.306)R3V39
WS-SVC-WISM-1-K9-D XXXXXXXXXXXX Hw : 2.1
 
There are few documents that tell me different requirements for the WISM cards to configure VSS.

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Cisco Switching/Routing :: Switching Fabric And Forwarding Rate C3750x

Aug 6, 2012

It is said that the switching fabric of WS-C3750X-24T-E is 160Gbps.Could any body tell me what is switching fabric, any relevance or difference from forwarding rate?,Is there any document to know how will the switch reach the 160Gbps full switching fabric performance?

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Cisco Switching/Routing :: High CPU In WS-C3750X-48

Nov 7, 2011

Currently, my Cisco 3750x (2 switches stacking) is having very hight CPU. Below are some of the output :
 
3750-ANA#sh processes cpu sorted | ex 0.00
CPU utilization for five seconds: 55%/30%; one minute: 55%; five minutes: 55%
PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process

[Code]....

I am not sure what is using CPU to go up like this. I had tried some troubleshooting guide on Cisco web site like "Troubleshooting high CPU Utilization"

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Cisco Switching/Routing :: 1941 Upgrade With 4 Port POE Switch Requirements?

Dec 5, 2011

I have a cisco 1941 router.  Stock standard vanilla hardware, no extras.  Standard universal image.  Data and Security not enabled.I would like to add a 4 gigabit port POE switch (EHWIC) module to the router..The 4 port POE switch module will be used to power and connect 2 x Areonet AP's for my home.  I'm replacing a Apple Airport Extreeme and Express setup.  I'll possibly later use the two remaining POE ports for security cameras.My question is, what extra hardware and or IOS version do I need for the POE swtich module to function on the 1941?  [URL] I think this is the model I want EHWIC-4ESG-P #4 port 10/100/1000 Enhanced High-Speed WAN Interface Gigabit Ethernet switch with Power over Ethernet?

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Cisco Switching/Routing :: Requirements For Line Card Upgrade On WS-C6509-E

Jan 14, 2013

We are planning to replace a few line cards in the existing 6509-E chassis. The sup installed is a VS-S720-10G-3C but the line cards are legacy. As a result we are not able to enable the VSS functionality. We are looking to replace the existing line cards with the following:

1. 1 x WS-X6716-10G-3C
2. 1 x WS-X6724-SFP
3. 4 x WS-X6724-GE-TX
 
What are the requirements in terms of IOS and Roman.
 
The current IOS is: Cisco IOS Software, s72033_rp Software (s72033_rp-IPSERVICESK9_WAN-M), Version 12.2(33)SXI2a, RELEASE SOFTWARE (fc2) 
And the ROM Version is: ROM: System Bootstrap, Version 12.2(17r)SX7, RELEASE SOFTWARE (fc1)
 
Do I need an upgrade?

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Cisco Switching/Routing :: Does WS-C3750X-24S-S Support GLBP

Dec 28, 2011

I would like to ask you that switch WS-C3750x-24S-S can support with GLBP?i have IOS version : S375xvk9t-12258SE. 

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Cisco Switching/Routing :: WS-C3750X-48T-S - No Shutdown / Not Working

Jan 5, 2013

I'm experiencing strange issue with my WS-C3750X-48T-S.

Model number: WS-C3750X-48T-S
System image file is "flash:/c3750e-universalk9-mz.122-55.SE3/c3750e-universalk9-mz.122-55.SE3.bin"
  
This switch is situated on a remote site and on the 6th of January it was rebooted.
I still do not know the cause, but it might be power outage or smth. We are still checking. After the reboot I've noticed that one port on this cisco switch is in 'notconnect' state, while I'm pretty sure it should be 'connected'.
 
I've tried to shutdown the port adminstratevly and do the 'no shutdown' but this port remained in 'disable' state. 
 
#sh run interface Gi1/0/5
Building configuration...
!
interface GigabitEthernet1/0/5

[Code].....

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Cisco Switching/Routing :: C3750X-24S-E As Core In A L2 Network

Nov 24, 2011

I want to deploy the C3750X 24-port SFP switch as the core switch in a large Layer 2 switching domain.The switch will need to run:
 
+/- only 10 large VLANs, 6 VLANs with HSRP
+/- 500 MACs total
+/- 5 OSPF sessions default timers

standard PVST+ (no Rapid PVST+)i need around 27 SFP ports (24 + 4 on network module=28=ok, extra capacity by stacking)
 
Looking at the switching capacity of the specs (160 Gbps) this is much better than a C6500 with SUP32-GE !Will it be able to handle this or should i look for C6500+SUP32GE or C6500-SUP720 or maybe even C4500 ?

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Cisco Switching/Routing :: C3750x-48P-E Stack Switch Best IOS

Mar 27, 2013

Which is the best and advanced IOS for c3750x-48P-E stack switch among below listed IOS.
 
c3750e-universalk9-mz.122-58.SE2 ?
or
c3750e-universalk9-mz.122-55.SE6..??

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Cisco Switching/Routing :: Stack Compatibility With WS-C3750X-12S?

Dec 18, 2011

Can a WS-C3750X-12S coexist in an existing stack made up of a WS-C3750G-12S and a WS-C3750G-24TS?

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Cisco Switching/Routing :: 3750 - ME3600X Vs WS-C3750X-24S-S

Apr 16, 2012

I'm looking for a 24-port SFP switch. Each of the two switches in the subject meets that requirement.  If I went with the ME switch over the 3750 (at about half the cost), what features/functionality if any, would I be giving up?

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Cisco Switching/Routing :: C3750X Web Interface Missing

Jun 3, 2012

I just loaded the web interface IOS on a C3750X.  The first thing I noticed was there was basically no web interface.  I can look at things, and do default configurations on ports, but it doesn't appear I can configure VLANs or QoS or anything like that.
 
Am I missing something, or is this just how the web interface functions?

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Cisco Switching/Routing :: 3750 - Power Stack Has Unbalanced Power Supplies

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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Cisco Switching/Routing :: Stack-power 3750x / FRU Power Supply Is Not Responding

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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Cisco Switching/Routing :: WS-C3560-48PS-S Show Power Inline But No Power Available

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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Cisco Switching/Routing :: 6500 - Power-Redundancy Mode Combined And Power Fail

Feb 28, 2011

I have a 6500 chassis with 2 power supplies. At the moment  I am using the default configuration:
 
power-redudancy mode redundant
 
The problem is that an inserted module is in "power deny" state due too insufficient power.
 
I know, that It's not a good idea to change into combined mode (loss of redundancy), but my customers requested this anyway.
 
So I will change to combined mode. So here's the 1 million dollar question: "Which modules will go into power deny, if one of my power supplies fails?"
 
The 6500 config guide states:
 
"Power supply is removed withredundancy disabled
• System log and syslog messages are generated.
• System power is decreased to the power capability of one supply.
• If there is not enough power for all previously powered-up modules, some modulesare powered down and marked as power-deny in the show power oper state field."
 
Well, do you know if there's any way to configure some kind of priority? E.g. I definetly don't want by 10Gig Module or WiSM module to be in power deny. Can i statically make sure, those module will be powered on for sure? Like: "power enable module slot_number" How is this calculated? Or is random?

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