Cisco Switching/Routing :: 4510 PoE Switches Keep Failing
Jun 11, 2013
We have an issue where switches are failing weekly in a switch closet. In the past month we have gone through several 3750G switches and a couple 4510s. The power supplies have eventually made a popping noise and had to be replaced. on the 4510s we've tried two chassis and gone through several power supplies.The switches have been behind UPS systems so should be receiving conditioned power.Could load from the PoE devices really be causing this? I wouldn't think it's power since they are behind a UPS.
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Jul 23, 2012
We have multiple switches(Cisco 4510, 4507R, 3560's) within our network. I've been looking over the port settings between them and noticed that not all ports that are connected directly from switch to switch are trunked the same. Some are desirable on one switch and forced truck on the other switch.
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Oct 31, 2011
I am having issues working on my QOS between 4510 and 3550 switch connecting on layer 3 through a service provider. I have class maps and policy map setup on both sides and then policy map attached to interfaces however i dont see any traffic matching in policy map on 3550 switch, i do see some traffic matching on 4510 but the speed with which its increasing has my doubts about it. When i make voip calls ( VOIP switches are sitting behind 3550 and are mainly 3550 pwr 24 port switches with phone ports configured for auto qos voip cisco-phone and trusting cos) i rarely see the RTP matching in class under policy map.
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Apr 11, 2013
I am currently running 12.2 (53) and am looking to move up to the 15+ train. Are there any pre-reqs prior to the upgrade that any one is aware of?Unfortunately I have no "lab environment" to test it in. I have production switches with minimal impact to the campus and if done late night I could have it restored back before open of business the following morning. My FW is up to the latest version and I have found nothing in the release notes specifically stating that there would require any stepped upgrades up to v15 and higher.
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Jul 10, 2012
This has been happening repeatedly time to time! we just replace the part! But now it has come to trouble us again.It happening only in one module like 6 to 10 ports wont work.
we run IOS cat4500e-universalk9.SPA.03.02.00.SG.150-2.SG.bin will there be any bug in it?
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Nov 21, 2012
I have two servers on one subnet that each need to replicate to a single server on another subnet. They also need to replicate to each other. This replication is unidirectional so I will refer to the 2 server subnet as the source subnet and the single server subnet as the destination subnet. In order to keep this replication running without killing the MPLS links on either end, we are trying to use a policy-map that limits bandwidth from the source subnet.The Problem:We have created a policy that polices traffic during specific times of day and limits the bandwidth as prescribed, however, bandwidth is also being limited between the 2 servers on the source subnet which is not needed or desired.Class 512K set dscp ef police 1024000 bps 1024000 byte conform-action transmit exceed-action dropClass Map match-any 512K (id 4) Match access-group name DAGExtended IP access list DAG 10 permit ip host 10.20.0.3 host 10.20.0.10 time-range DAG-REP (active) (22793 matches) 20 permit ip host 10.20.0.4 host 10.20.0.10 time-range DAG-REP (active) (14156 matches)The service policy is applied on the input side of the 2 interfaces on which our devices are connected.As you can see, the access list identifies the interesting traffic as traffic from two specific hosts to one specific host. The problem we are having is that bandwidth is also being throttled between the two source hosts even though it is not defined to do so.What can I do to limit traffic from the two source devices to the single destination device without limiting bandwidth between the two source devices?
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Sep 4, 2011
I am using Cisco 4510 Switch with Default LAN Base image. Now I have purchased 10G Upgrade license. The part number for Upgrade license is WS-C4500-10G-LIC. I have received a CD from Cisco (named as 'Includes License and Warranty'). Any License upgradation is required for this license? Or this is only a paper License.
I could not find out any .lic file on the CD. Also there is no paper with PAK.
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May 3, 2012
I just upgraded all of our switches on campus to Version 15.0(2)SG4 after about a month of testing. On two switches so far, we are seeing that clients can not connect, and the switch isnt detecting a link. I dont see anything out of the ordinary in int status, port-security, or errors on the interface. Plugging in a different computer does nothing. Only thing that works, is a shut, no shut of the interface. After that, its connected.
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Apr 4, 2013
I have a Catalyst 4510 that is running IOS version 15.X that has a bug and Cisco recommends upgrading the IOS. Are there additional steps required to perform an IOS upgrade due to licencing Cisco put in place?
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Oct 27, 2010
I am planning to enable MAC address filtering (one port on 4510 & another 3560). I want to allow only that MAC address to communicate via that port with the rest of the network and internet.
4510 has PC connected and 3560 had polycom connected. [code]
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Mar 2, 2013
I have cisco 2960 and Catlyst 4510 switches now we are planning to implement IPV6.
i have the fallowing IOS on my switches.
C2960-lanbasek9-mz.122-50.se5
Cat4500e-entservicesk9-mz.122-54.sg1.bin
The above ios will support for IPV6 or I have to purchase new IOS, which version will support.
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Feb 21, 2013
I got a 6509 version 12.1(22)E2 that I am replacing with a 4510E version 3.40SG with Supervisor Engine 7-E. The 6509 is configured with 20 channel-group for dual fiver connection to ten 3550 switches with trunking enabled with isl encapsulation. The 6509 is the VTP server to each of the 3550 switch clients. There are 40 Microsoft Servers attached ot the Gig RJ45 port modules.
I have attached the 4510 to the 6509 with dual fiber connection configured as a channel group with trunking enabled. I am configuring the 4510 the same as the 6509 except I have to use trunking with dot1q encapsulation because isl is not supported on the 4510. I no longer want to use VTP with the 4510 and have set the it as transparent mode. Each of the 3550 switches are changed from isl trunking encapsulation to dot1q and VTP mode is changed to transparent when they are moved from the 6509 to the 4510.
I want to move the switches over a few at a time and not all at once. The first 4 switches attached with no problems and ran with no problems for the user access to the servers still on the 6509 for a week. Then I found out DHCP was not working for the devices attached to the switches on the 4510. I moved one of our domain controllers form the 6509 to the 4510 to fix the DHVP problem. I have now added 2 more switches with users that use an application on a server still on the 6509 and they are getting disconnect errors after logging into it and using it. Other applications on different server also on the 6509 are having no problems. I moved the switches back to the 6509 to get the users up during business hours. I now plan on moving the server for the application that was failing to the 4510 in hopes that it will fix the problem.
Is there something I can do to speed up the connection between the 6509 and the 4510 so I can continue this transition without having to move the servers to the 4510 as I move the users?
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Sep 26, 2012
I need to convert configuration from CatOS on 4006 to IOS on 4510. I am unable to find the conversion tool.
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Nov 30, 2011
We are facing issue related to STP.I am getting MAC FLAP error on Cisco 4510 switch. The effect on network is intermittent Pkt drops in the network. When I checked the specific Ip address I am getting the same with two different. [code] Vlan is created on CORE switch and assign priority 0 than CORE switch should be the Root. but instead Root port is becoming the port where server is connected. Server at last connected to CORE switch via HP switch via other Vlan to CORE switch and creating a loop as shown in Diag. [code] The Priority of Vlan 102 is changed and Root port has been changed due to that. The Bridge ID is the same as CORE switch.
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Mar 10, 2013
I am planning on deploying a 2960 switch and will need to uplink it to a 4510 switch. There are 2 TenGig Ports available and I was thinking of uplinking one of them to the 1Gb SFP port on the 2960. Would this work?
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May 1, 2012
I just upgrade a license on a cat 4510. The license installed but the EULA was not accepted and it will not upgrade to the new feature set.
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Apr 24, 2012
I am looking to find a command or counter to tell me if a cisco switch port on a 4510 was ever up and passed traffic. I want to shutdown all unused switchports on our access switches. But before I do that I need to make sure device is just not off or the person is away on vacation. If I do sh int interface, is there a counter I can reference.
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Mar 22, 2012
I have configured Span port on our 4510. We have an application 5view server to monitor trafic connected to G9/17 Since we have changed the network connection from physical Giga port and add a Port-channel instead, we don't see any more trafic from the new Port-channel to G9/17
We have the configuration below on our 4510 :
monitor session 1 source interface Gi4/6
monitor session 1 source interface Po20
monitor session 1 filter vlan 311 - 312 , 375
monitor session 1 destination interface Gi9/17
From the commands show, we don't see the trafic duplication from the source to the destination port :
Port Source
4510-5567#sh int po20
Port-channel20 is up, line protocol is up (connected)
Hardware is EtherChannel, address is 0016.9de2.a818 (bia 0016.9de2.a818)
[Code].....
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Mar 17, 2013
We are getting below errors on our Cisco 4500 Switche PS after Power Down activity.
Switch1
------------------ show power detail ------------------
Power Fan Inline
Supply Model No Type Status Sensor Status
------ ---------------- --------- ----------- ------- -------
PS1 PWR-C45-4200ACV AC 4200W good good good
PS1-1 off
PS1-2 220V good
PS2 PWR-C45-4200ACV AC 4200W err-disable good good
PS2-1 220V good
PS2-2 220V good
*** Power Supplies of different type have been detected***
00:01:02: %C4K_CHASSIS-3-MIXINPOWERDETECTED: Power supplies in the chassis are of different types (AC/DC) or wattage(code)
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Oct 23, 2012
I'm having some trouble with a 4510 Switch Line Card. I need some recomendations for troubleshooting it.We have some PoE phones connected to the card number 3. When those phones were restarted, they did not go up again. In order to discard wiring issues, we connected the phone directly to the card 3, and the phone did not go up. If the phone is connected to a different card, it goes up correctly.
Additionally, to restore the service, these phones were migrated to other cards, but when we disconnect the equipment, ports in line card 3 remain in an up / up state (and nothing is connected to those ports!!), and only reflect the actual state after restarting the port.What steps could I do in order to troubleshoot this issue?. What should I look for, or how do I discriminate the problem? Might it be a hardware issue, a PoE issue?
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Feb 17, 2013
I've got a Cisco 4510 which shows a system uptime in excess of 56 years. [code]
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Apr 23, 2013
Are you only able to have two sessions for port mirroring on a Cisco 4510?
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Nov 11, 2011
Previously posted as C2900 - inward NAT partial success...
Running C2900-UNIVERSALK8-M, Version 15.0(1)M3 RELEASE SOFTWARE (fc2)
I have several sets of inward NAT defined (51001-51007, 52001-52007. 53001-53007),all to various internal addresses. When I attempted to add another set, the new onesdo not work and get a "timeout" error.
When I tried port 51008, it gets a timeout. When I changed 51008 to 51010, the 51010 now gets a timeout, and 51008 now gets "connection refused" (which I expect).The original sets all work, the new ones (added at the end of the lists) do not.When I am on any of the internal machines, the target (192.168.1.21) works fine.When I am "in the router", I can connect via the ssh command, so I know that therouter can talk to 192.168.1.21 on port 22 as expected.
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Jun 11, 2012
We are attempting to PXE boot from clients obtaining their DHCP lease information from DHCP pools configured on our 4506. The PXE server, and the client are configured in separate VLANs. We have configured option 66 to point to the PXE server IP address, and the bootfile option to point to the PXE boot configuration filename. On the client side SVI, we also have configured the ip helper-address command to point to the PXE server (which also acts as another DHCP server for redundancy).
The PXE boot continuously fails stating it is unable to find the configuration file. If we remove the DHCP pool from the 4506, and allow the client to receive their DHCP lease info from the secondary server (Windows 2k8 - same server as PXE server), they PXE boot with no issues.
We have no problem obtaining DHCP info, just completion of the PXE process.
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Jun 5, 2012
I've just noticed an error I've never seen before in our switch logs. We have a stack of 6 Cat3750G-48TS-E switches. The first two in the stack have been up for just over a year and I've only just noticed this error. Thus far, I haven't noticed any symptoms - I just stumbled upon this error while checking for something else.
As far as I can tell, this has only popped up once and it was 2 days ago. Unfortunately, due to an incorrect firewall rule, our syslogs were not getting to our syslog server so I don't have any historical logs to check against, but it hasn't happened since.
The error I've seen is as follows:-
Jun 5 17:04:03.288: * ManagementInterfaceInitialized exception in port-asic 0 (N16FujitsuSwitch.com.au-2)
Jun 5 17:04:03.288: ***********************************************************
[Code].....
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Nov 11, 2012
I'm facing a problem where certain port on my swtich keep grant and remove poe.
Nov 12 07:02:43.639: %ILPOWER-5-POWER_GRANTED: Interface Gi1/0/18: Power granted
Nov 12 07:02:44.399: %ILPOWER-5-IEEE_DISCONNECT: Interface Gi1/0/18: PD removed
[Code].....
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Feb 29, 2012
We have just under 500 switches in production (various models but for this discussion we'll stick with 3750's). All are currently running tar IOS (web based). We want to upgrade the IOS from c3750-ipbasek9-tar.122-55.SE1.tar to.122-55.SE5 but some of our switches do not have enough flash to upgrade successfully. We use CiscoWorks to distribute our software upgrades. I know you can lower the flash requirements on the IOS in CiscoWorks, which I have done (changed from 16Mb down to 12Mb) and the upgrade still fails.
1) How far can I lower the flash installation requirements in Ciscoworks and what are the ramifications?
2) If we decide to change from the tar IOS version to the bin IOS version because we don't even use the web based features anyway, is there an easy way to do this? (CiscoWorks will not upgrade an image from tar to bin)
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Mar 30, 2013
I have a number of 3560CG-8PC-S switches. My intention for them is to act as kind of gateway L3 switches - one for each satellite site. My thinking was simply to have an L3 device at the gateway to each of those sites so that any inter-vlan traffic within each site can stay within the site rather than having to traverse the relatively slow radio links to get back to the 3750X stack in the core. They are also, however, going to be directly serving client devices
My issue is that for some reason, when connecting a new device (laptop etc) to one of the access ports on the 3560's, the port behaves as if it's being blocked. No DHCP addresses go through, the indicator remains orange, and the clients have no connectivity. However, if I wipe the config, I get a VLAN 1 IP address for my client no problems at all. And to make matters more confusing, only two out of my four 3560's are doing this. The other two have exactly the same config, but work perfectly.To that end, I'm loading the config below. I've followed that by the show running-config output, and show ip interface brief outputs.
configure terminal
hostname ASW34
!
enable secret *RuT1l3&
service password-encryption
username xxxx password xxxx
[code].....
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May 2, 2012
I have a new 2911 that I am trying to bring up but local authentication is failing. I know I have typed the username and password correctly but no go. When I try to http in it is failing as well. I even create a "Cisco, Cisco" account. I have a console connection and even that is failing.
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Mar 14, 2012
I am trying to run TDR tests on a 3750G (ver12.2). The switch ports have 3502 series access points attached to them. When ever I run the test the results all show "Not Completed". I understand that this means the test failed but this happens with any port I try.
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Jul 15, 2012
At our site we have a 4510 core switch and 3750x switches in our IDFs. The 3750 switches are connected to the core via DOT1Q trunks in a server client setup. We are putting in an Informacast/Berbee server witch will send pages and text to the cisco phones. We also have 1 3750 switch connecting to the core via a layer 3 port channel. If we put the Informacast server on the phones vlan would I just need to enable ip pim sparse-dense mode on that vlan only and enable multicast routing, ip multicast routing?
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Sep 9, 2012
Uhg. I deployed a 3560G a week ago and it was crashing... so I replaced it Sep 7 around 16:00 and now this one is crashing. Different logs.
Version 12.2(55)EX3
Sep 6 18:06:08: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep 6 21:05:18: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep 7 04:12:43: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep 7 05:35:09: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep 7 08:21:37: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep 7 11:13:18: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Replacement Version 12.2(55)EX2
Sep 7 16:34:48: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep 8 03:39:38: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep 8 18:26:06: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep 9 18:14:38: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
More detailed syslogs are in the attaced 'crash-logs.txt' file.
The device is running OSPF (it is in an NSSA). I have several other devices configured almost the same running the same IOS in my network and they are working fine.This does make the third out-of-box 3560C Cisco that has failed on me within a few days.
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Dec 17, 2012
We have an existing network with a Catalyst 4510 core switch and departmental 3560 switches connected via fiber. Due to company restructure we can no longer afford to buy new 3560's when anything goes wrong so this week I purchased an SG200-26 which I'm trying to get onto the network.
This is a legacy network which I didn't setup so my Cisco skills are somewhat limited (another reason for the SG200's hopefully), anyway have been looking at the configs on the existing switches and trying to match settings in the SG200 setup however not getting anywhere! I have the config from the dead switch so I can show what needs to be achieved, any experience in downgrading environment in a similar way?
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