Cisco Switching/Routing :: Does WS-C2960-24TT-L Switch Support Power Over Ethernet

Dec 15, 2012

does the WS-C2960-24TT-L switch support power over Ethernet ?

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Cisco Switching/Routing :: How To Upgrade C2960-24TT-L

Jan 29, 2012

I am having problem in upgrading Cat2960 because I deleted the flash in this switch already and now I need installing an IOS image? [code]

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Cisco Switching/Routing :: CRC And Input Errors On WS-C2960-24TT-L?

Jul 1, 2012

I am not sure why the CRC and input errors are increasing in fastethernet port...This port is used as Intradomain cross connect to Data Center service provider for LAN extension between two Data Centers in different locations... The link is 100 MB. The switch port is directly connected to patch panel of DC provider and I believe they have some L3 switch or some other device that is providing LAN extension...
 
#sh interfaces fastEthernet 0/23
FastEthernet0/23 is up, line protocol is up (connected)
  Hardware is Fast Ethernet, address is 0019.3050.1497 (bia 0019.3050.1497)
  Description: ASA_VPN_TO
  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,

[code]....

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Cisco Switching/Routing :: CRC And Input Errors On WS-C2960-24TT-L

Oct 2, 2012

I am not sure why the CRC and input errors are increasing in fastethernet port...This port is used as Intradomain cross connect to Data Center service provider for LAN extension between two Data Centers in different locations... The link is 100 MB. The switch port is directly connected to patch panel of DC provider and I believe they have some L3 switch or some other device that is providing LAN extension...
 
#sh interfaces fastEthernet 0/23
FastEthernet0/23 is up, line protocol is up (connected)
Hardware is Fast Ethernet, address is 0019.3050.1497 (bia 0019.3050.1497)

[Code].....

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Cisco Switching/Routing :: Configure 802.1x RADIUS Authentication On 2950-24TT-L Switch?

May 3, 2013

I am trying to configure 802.1x RADIUS Authentication on cisco 2950-24TT-L Switch. I am using following set of command as given below
 
Switch# configure t
Switch(config)# aaa new-model
Switch(config)# aaa authentication dotx default group redius
Switch(config)# dot1x system-auth-control
Switch(config)# inter fasteth 0/1
Switch(config)#dot1x port-control atuo
 
I am facing problem dot1x command is not working on interface.

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Cisco Switching/Routing :: 2960-24tt Switch Adding Or Removing Causes Loss Of Connection

Jan 10, 2012

ws-c2960-24tt-L Ethernet switch adding or removing any device from switch cause a loss of connection to all other devices on switch for about 60sec.

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Cisco Switching/Routing :: Switches Support SM Or MM Fiber Patch Cords WS-C2960

Jan 23, 2012

we recived the following switches.

WS-C4507R-ECat4500 E-Series 7-Slot Chassis, fan, no ps, Red Sup CapableWS-C2960S-24TS-SCatalyst 2960S 24 GigE, 2 x SFP LAN LiteWS-C3750X-24T-SCatalyst 3750X 24 Port Data IP BaseGLC-LH-SMGE SFP, LC connector LX/LH transceiver 

The current situation that all existing Fiber Patch Cords cables & fiber cables coming from field are multimode. So, I think we have a compatibility issues. We need clarifications from your, what are the options that we can do to resolve this issue.Can we connect the above switches to multimode Fiber Patch Cords cables?

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Cisco Switching/Routing :: C2960 Switch Post Failure

Apr 23, 2013

I have a C2960-24TT-L Switch with the following problem:When the Power Cord is plugged in the Switch, all switch indicator LEDs go on very briefly. Then SYST LED blinks very briefly, goes on steady and remains at this state without any indication at the console.Tried the reset by holding the MODE button while plugging in power but I still get no indication at the console. All is fine with console, meaning that if I take out the cable and plug it in another switch, then I see all that there is there to be seen.My question: Is the switch beyond repair or is there something that can be done to get the switch to run POST and boot at rommon so that I can reload SW and configs?

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Cisco Switching/Routing :: SSH Access To Trunked Switch C2960

Feb 7, 2012

I've got a C2960 (sw01) and a C2948. (sw02) The sw02 switch is trunked with sw01, and is meant to serve as an extension to the VLANs (1-4) that exist on sw01. It is trunking properly, however, how would I go about giving the sw02 an IP so that I can access it via SSH? Would I have to create a VLAN specifically on sw02 with an ip and switchport an interface to use it? I know that a VLAN can only have a single IP, but I'd like sw02 to have an IP on VLAN1 (192.168.1.0 subnet), is that possible?

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Cisco Switching/Routing :: Upgrade The Firmware In C2960 Switch To 15(1) SE2?

Feb 14, 2012

i am trying to upgrade the firmware in my C2960 switch to 15(1) SE2, and i get the error:Failed to execute the command archive download -sw /overwrite /http iosFile

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Cisco Switching/Routing :: Are VLANs On WS-C2960-24PC-L And Switch SG300

Feb 20, 2013

Is it possible to configure both Catalyst WS-C2960-24PC-L and Switch Cisco SG300-28 to work together for VLANs for voice and data ? If yes, can you give me the resources which I can refer to ?

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Cisco Switching/Routing :: C2960-24-TT-L - Switch Memory Utilization High After Upgrading IOS

Nov 8, 2011

I upgraded the newest IOS 15.0(1)SE for our SW C2960-24-TT-L, the process was succeseful. However, we found SW memory utilization raised to 82% this morning in normal situation. (Momery: Total 21341260, Used17471692) Did you guys meet the same problem after upgrading to 15.0(1)SE? I also would like to know what the normal memory utilization is? and what is the impact of memory utilization highly?

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Cisco Switching/Routing :: C2960-LANBASEK9-M / Use IOS Ssh Client To Connect To Enterasys Switch

Jun 24, 2009

in a customer project we are evaluating if it's possible to connect from cisco ios switches via "ssh -l <user> <ip address>" to an enterasys n series dfe modul which is running a ssh server v2.

Unfortunately this doesn't work as expected, every connection attempt is resetted.We did a trace of the ssh connection attempt where you can see that there is some problem in the algorithm negotiation (see attachment).
 
Equipment/OS:

- Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 12.2(44)SE1
- Enterasys 7H4382-49, Fw: 05.42.10

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Cisco Switching/Routing :: WS-C2960-24TC-S / Switch Configuration To Work Perfectly In Redundancy Mode

Feb 20, 2013

i have new project in hospital with the bellow product :
 
20 X WS-C2960-24TC-S
 
2 X WS-C3750X-48T-S
 
2 X WS-C2960S-24TS-S
 
i need to configure this switch in order to work first the 2 core switch for redundancy then each catalyst switch 2960 connected to the core with 2 uplink each uplink for each core switch that way i have rendundancy in the connection then i need one vlan ?i need to configure this switch to work perfectly with each other in best redundancy mode?

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Cisco Switching/Routing :: Difference Between IOS Of Catalyst WS-C2960-48PST-S And WS-C2960-48PST-L?

Apr 8, 2012

I want to know what is the different between IOS of the catalyst WS-C2960-48PST-S  and the IOS of catalyset WS-C2960-48PST-L.a want to upgrad the IOS of a WS-C2960-48PST-S with the IOS of  WS-C2960-48PST-L (because this reference has a LANBASE version of IOS).

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Cisco Switching/Routing :: AC Power Supply With PoE For Ethernet Modules In ISR G2

Dec 12, 2012

While configuring PoE Ethernet EHWIC PoE modules with ISR G2 routers Cisco DCT gives a warning to select AC Power Supply with PoE ‘PWR-3900-POE’. Do we need to select the PoE power supply for Enhanced EtherSwitch SM PoE modules also (at present it does nt show any warnings)?

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Cisco Switching/Routing :: Updated 2960-24TT-L To 15.0(1)SE3 And Lost Connection

Mar 1, 2013

After not seeming to be able to save any configurations in 12.2(25)FX, I thought an upgrade would work since it said it didn't recognize my browser or OS but let me continue. I was able to see everything just couldn't save changes.
 
I updated to 15.0(1)SE3 and everything seemed to be going well. Tried to log back in HTTP (have not set n IP yet since it is still at my house... DHCP seems to be working) and I get a user/password screen that says level_15_access and it won't let me in.
 
Attempts to log in terminal have been unsuccessful. I can log in my dell switch which I am replacing and my APC units terminal just fine using USB to serial and Ubuntu.
 
I tried cisco as a password, user and password, admin, administrator no luck.
 
What is the best way to resolve this, is there a sure fire windows serial program or settings I should use in linux (currently 9600,8,N,1) to connect? I have looked through manuals till I am blue in the face.

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Cisco Switching/Routing :: Master Reset Catalyst Express 500 (WS-CE500-24TT V01)

Apr 10, 2013

I'm trying to do a Master reset on my Catalyst Express 500 (WS-CE500-24TT v01) and I'm having troubles with this. url...I do everything as it says, but when I plug the cable and I pull up the Web browser nothings appear, just the message that I don't have a Internet connection. The LED port on switch don't stop blinking as LED setup either. Is there another way to do the master reset?

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Cisco Switching/Routing :: 3560E Switch Went Down Due To A Power Surge

Jan 27, 2012

recently a Cisco 3560E switch went down due to a power surge. the switch is getting power but i am only seeing the below message continously. it is keep on rebooting. i try to reset to factory settings/ safe boot nothing worked. is there any way i can bring the switch up or it is hardware failure.Using driver version 1 for media type 2Base ethernet MAC Address: 00:23:33:af:1b:00Xmodem file system is available.The password-recovery mechanism is enabled.Using driver version 1 for media type 2Base ethernet MAC Address: 00:23:33:af:1b:00Xmodem file system is available.The password-recovery mechanism is enabled.

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Cisco Switching/Routing :: 6500 - Power Off Core Switch?

May 31, 2012

we need to relocate our core switch 6500 with sup 720 to another bldg
 
what is the command to gracefully shut it down I mean power off
 
I was told one can just switch off the power

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Cisco Switching/Routing :: Module Power Down On 6513 Switch?

Apr 28, 2012

We have Communication Media Module (WS-SVC-CMM) mounted on 6513 switch. It went down twice and we brought it up by applying "power enable module".

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Cisco Switching/Routing :: SG300-10P Power SG200-08 Switch Over POE?

Jun 1, 2012

Can a Cisco SG300-10P switch power a Cisco SG200-08 switch over POE?  Or an SG200-08P power an SG200-08 via POE?  I have an area where I'd like to put a small switch, but would like to avoid having to have electrical power run to it.  Or will the SG300 and SG200 POE switches only power endpoint devices such as cameras and IP phones?

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Cisco Switching/Routing :: 6509 No Power To Whole Switch To Powered On

May 19, 2012

I have a 6509 that has dual SUP32's.Just want to make sure and give a reason(if there is one).   Slot 6 always becomes the active hot on a full reboot.  Meaning from no power to the whole switch to powered on. What is the election process for Supervisors?

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Cisco Switching/Routing :: Switch 3560 Not Giving Out Power?

Sep 26, 2011

I have an issue with a 3560 in my network, after sometimes it fails to give out power to some ip phones,while others are not affected and below is the message i get
 
"Power given, but Power Controller does not report Power Good"

output of sh power inline and sh env all : everything seems to be ok on the switch

#sh power  inline
Available:450.0(w)  Used:48.0(w)  Remaining:402.0(w)
 Interface Admin  Oper       Power   Device              Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Gi0/1     auto   off        0.0     n/a                 n/a   15.4
Gi0/2     auto   off        0.0     n/a                 n/a   15.4
Gi0/3     auto   off        0.0     n/a                 n/a   15.4

[code].....
 
It's solved by a reboot of the switch, i could have suspected a power environnment issue but it's the only equipement disturbing in the network.

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Cisco Switching/Routing :: IE2000 Industrial Ethernet Device Level Ring Support

May 3, 2012

Have a potential customer that is looking at the IE2000 series switch and at the Rockwell Allen Bradley switch
 
Question is does it support Device Level Ring (DLR) capability.  I do not see this specifically mentioned in the Data Sheets but it talks about a
Resilient Ethernet Protocol (REP) and I am wondering if this is the same thing?

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Cisco Switching/Routing :: 3560 Switch Doesn't Provide PoE Power

Mar 9, 2012

I have upgraded my C3560-PS-S switch to the latest IOS version 12(2)55-SE4 and it is not providing PoE anymore? It used to work before this upgrade? I searched Cisco bugtrack and there is bug defined for this IOS/Switch.
 
Switch(config-if)#do show power inline Available:370.0(w)  Used:0.0(w)  Remaining:370.0(w)
 
Interface Admin  Oper       Power   Device              Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Fa0/1     auto   off        0.0     n/a                 n/a   15.4
Fa0/2     auto   off        0.0     n/a                 n/a   15.4
Fa0/3     auto   off        0.0     n/a                 n/a   15.4
Fa0/4     auto   off        0.0     n/a                 n/a   15.4
Fa0/5     auto   off        0.0     n/a                 n/a   15.4
Fa0/6     auto   off        0.0     n/a                 n/a   15.4
Fa0/7     auto   off        0.0     n/a                 n/a   15.4
Fa0/8     auto   off        0.0     n/a                 n/a   15.4
Fa0/9     auto   off        0.0     n/a                 n/a   15.4
Fa0/10    auto   off        0.0     n/a                 n/a   15.4
Fa0/11    auto   off        0.0     n/a                 n/a   15.4
Fa0/12    auto   off        0.0     n/a                 n/a   15.4
Fa0/13    auto   off        0.0     n/a                 n/a   15.4
Fa0/14    auto   off        0.0     n/a                 n/a   15.4
Fa0/15    auto   off        0.0     n/a                 n/a   15.4
Fa0/16    auto   off        0.0     n/a                 n/a   15.4
Fa0/17    auto   off        0.0     n/a                 n/a   15.4
Fa0/18    auto   off        0.0     n/a                 n/a   15.4
Fa0/19    auto   off        0.0     n/a                 n/a   15.4
Fa0/20    auto   off        0.0     n/a                 n/a   15.4
Fa0/21    auto   off        0.0     n/a                 n/a   15.4
Fa0/22    auto   off        0.0     n/a                 n/a   15.4
Fa0/23    auto   off        0.0     n/a                 n/a   15.4
Fa0/24    auto    off        0.0     n/a                 n/a   15.4

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Cisco Switching/Routing :: How Much Power Required From Utility Or UPS For 4510R Switch

Nov 13, 2011

We have one switch 4510R which could have total 300 cisco GE color phone connected. That means 300x15.4=4620W. Considering the 89% effiency for the PoE line cards, that means each line card needs 5191W input power from chasis power supply. Based on the 6000W power supply specs, only up to 4800W is allocated for PoE purpose. But we need 5191W from power supply which redundant mode can't offer. We don't want to go with combined mode. So should we add external power shelf to add more power?Another question will be how much power we need from utility or UPS. For example, the efficency of cisco power supply is 75% and we use two 6000W power supplies in redudant mode. Then we need 8000W. The voltage is 220V. Then the AMP we need is 36.4A from UPS or utility power.

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Cisco Switching/Routing :: 6509 Switch Blade Shows Power Down

Apr 16, 2012

i have one of my switch modules that shows PwrDown when i issue the command show mod.
 
Mod Ports Card Type                              Model              Serial No.
--- ----- -------------------------------------- ------------------ -----------
1    9  Supervisor Engine 32 8GE (Active)      WS-SUP32-GE-3B     SAD09120263
2   48  48 port 10/100/1000mb EtherModule      WS-X6148-GE-TX     SAL1029VWZ5

[Code]....
 
i tried disabling the diagnostic monitor for the module, did a power enable module command and then reset it but it still fails. this is the third blade that i am replacing in a few weeks and i still get the same error. i am persuded that it is not a hardware since it is the third blade in a matter of weeks. after the module reset, i receive this error % module 3 is operationally off (FRU-power failed)
 
could an ios upgrade solve this issue? are there any ios related bugs?

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Cisco Switching/Routing :: Power Supply Error Switch 3750

Dec 3, 2011

power supply problem...?Switch cisco WS-C3750-24P is showing "Unavail" from sh env all.Switch3750#sh env all FAN is OK,TEMPERATURE is OK,SW  PID,Serial#     Status Sys Pwr  PoE Pwr  Watts,Does it means that power supply 1 was removed? failed?,Do you know about another command to see more details?

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Cisco Switching/Routing :: 3750X Stack Power Limitation With Non-POE Switch?

Oct 28, 2012

We have 9 x 3750x switches with 5-nonPOE and 5-POE. There is a limitation with 4 POE per stack with Stack Power.
 
Can we combine all 9 to one stack since there are only 4 POE?
 
Or, is the 4-switch limitation applied regardless if they are mixed with POE and non-POE?

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Cisco Switching/Routing :: 4506E Switch Power Supply Upgrade

Dec 8, 2012

I would like to check if it may be possible to hot-upgrade/swap the 4506E power supplies? Based on the configuration guide; I have summarized the steps as follows:

1. Switch has 2 existing power supplies to be upgraded

2. Remove right side/bay 2 power supply and install new power supply

3. At this point; the new power supply will be in err-disabled due to different power supplies on the switch

4. Remove the left side power supply and install new power supply

For item 4; during the removal of the old power supply in bay 1/left side and installation of the new power supply; I am wondering if the switch would lose power even though the new power supply is installed in bay 2?

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Cisco Switching/Routing :: Combined Power Mode For 6500 Switch?

May 18, 2012

The following discussion is based on cisco cat 6500 switches with two power supplies: p1 and p2.  . Both power supplies are running in combined mode .Each power supplies is rated with 500 watts max( I just picked 500 watts for simplicity)Combined mode In combined mode, each power supply provides approximately 83% of its  capacity to the chassis. This allows for greater utilization of the  power supplies and potentially increased PoE densities
 
1) Let say  our specific 6500 switch's configuration requires 1000 watts. We have two power supplies p1 and p2 ,each with rated power of 500 watts.  Both power supplies must operate in combined mode.  Will power supplies be able to meet the total load power requirement of  1000 watts?
 
Here is my understanding :The maximum power delivered by each power supplies is 83 percent of its rated power, assuming power supplies are running in combined mode.
 
So Maximum power delivered by power supplies

=  83% of p1+ 83% of p2
=  83% of 500 + 83% of 500
= 415 +415
=830 watts

Thus the required load of 1000 watts can not be met by our power supplies in combined mode. 
 
2 )Suppose our switch's switch configuration needs 500 watts.  Again our power supplies each rated with 500 watts, are configured for combined mode. How much power is being delivered by each power supply?  Is it 83 percent of the total load i.e 500 watts?

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Cisco Switching/Routing :: 3750 - Power Stack Switch Out Of Order

Jan 16, 2012

I have 4 switches in a 3750-X stack.Here is the output from the stack why are the switches out of order and I'm not able to bring up switch 1 port 1.

switch 4 port 2 shows not connect it is I've checked the cables.
 
Power stack name: Powerstack-4
    Stack mode: Power sharing
    Switch 1:
        Power budget: 695
        Low port priority value: 22
        High port priority value: 13
        Switch priority value: 4
        Port 1 status: Shut
        Port 2 status: Connected
        Neighbor on port 1: 0000.0000.0000
        Neighbor on port 2: c471.fe84.e100
 
    Switch 2:
        Power budget: 713
        Low port priority value: 21
        High port priority value: 12
        Switch priority value: 3
        Port 1 status: Connected
        Port 2 status: Connected
        Neighbor on port 1: c471.fe85.3000
        Neighbor on port 2: c471.fe80.2800
 
    Switch 4:
        Power budget: 697
        Low port priority value: 19
        High port priority value: 10
        Switch priority value: 1
        Port 1 status: Connected
        Port 2 status: Not connected
        Neighbor on port 1: c471.fe80.2800
        Neighbor on port 2: 0000.0000.0000
 
    Switch 3:
        Power budget: 710
        Low port priority value: 20
        High port priority value: 11
        Switch priority value: 2
        Port 1 status: Connected
        Port 2 status: Connected
        Neighbor on port 1: c471.fe84.e100
        Neighbor on port 2: c471.fe7f.eb00s

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