Cisco Switching/Routing :: 4503 - Catalyst L3 Switch Model

Jan 9, 2012

Currently we have cisco 4503 switch in one of our location without redundancy which servers below,
 
300 user (desktop & ip phones)
5 vlans
15 access switches are connected
one L3 connectivity.
 
Actually i want to understand is it really necessary to have 4503 or we can go for 4900 series as we are planning to have  redundancy in distribution segment.
 
Which is the best L3 switch in the above scenario and how to measure the  overall performance of the current 4503 switch...

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Cisco Switching/Routing :: Configuration PBR On Catalyst 4503

Mar 4, 2012

i'm performing configuration PBR on catalyst 4503, but it doesn't work. [code]

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Cisco Switching/Routing :: Catalyst 4503 - SSH Missing Cat4503 15.0 IPbase

May 18, 2013

After deleting configuration with „write erase“ and reloading, our Cisco Catalyst 4503 with version cat4500e-universal.SPA.03.02.00.XO.150-2.XO.bin, and licence ipbase, doesn't recognize any command regarding SSH. We tried configuring SSH key with „crypto key generate“, but that command is not recognized either.

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Cisco Switching/Routing :: Cat4500-IPBASEK9-M / Catalyst 4503-E Linecard Support?

Mar 22, 2012

I have a 4503-e with WS-X4013+TS supervisor and WS-X4548-GB-RJ45 card.  I purchased a WS-X4648-RJ45-E card and installed but IOS says its unsupported.  Supervisor is running 12.2(46)SG software and 12.2(31r)SGA firmware.  Obviously I'm hoping this cars can be supported somehow.  Do I need to upgrade software or firmware, or return the linecard and get equivalent supported card?  Oh, system is running Catalyst 4500 L3 Switch Software. (cat4500-IPBASEK9-M)

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Cisco Switching/Routing :: 4503 - Get Switch For Datacenter?

Feb 9, 2013

We have microsoft servers and other application servers (around 12 in nos) which should have gig connections to the access switch. In turn this access switch will be connected to our distribution switch 4503. Which model of access switch best fits from the below 3 models. It should be cost effective as well.
 
WS-C2960 S-24PS-L

WS-C2960-24TS-L

WS-C3560G-24TS-S

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Cisco Switching/Routing :: Boot 4503-E Switch From Secondary Image?

Sep 13, 2011

We have Cisco 4503-E switch and software version is cat4500e-universal.SPA.03.01.01.SG.150-1.xo1.bin. Now i have uploaded cat4500e-universal.SPA.03.02.01.SG.150-2.SG1.bin IOS-XE software in the switch and want to boot the switch from this image.

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Cisco Switching/Routing :: Very High CPU Utilization Core Switch 4503?

Feb 14, 2012

We  had a core switch(30 vlans) in our environment and it's noticed that  CPU utilization of the core switch is showing high during recent days. I  have checked logs and processes, but couldn't find the root cause. The  issue found only in the office hourly only(after that the cpu  utilization is idle and normal). I have already referred the following  link to troubleshoot the issue " [URL]
 
see the following outputs from the core switch
 
CPU utilization for five seconds: 99%/0%; one minute: 99%; five minutes: 99%
PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
  30   6687557041432420936        466 47.52% 47.10% 45.98%   0 Cat4k Mgmt LoPri
  55  30667074884269560256          0 45.36% 45.50% 45.85%   0 IP Input
  29  28552856922870089254          0  3.59%  3.50%  3.57%   0 Cat4k Mgmt HiPri

[code]....
 
Note: Each Invalid source mac entry in each day from same port (above is the output after clearing logs before 3 days)
  
My queries regarding the issues are following
 
1) How can we find root cause regarding the high cpu utilization?

2) Is a single invalid mac address makes the cpu highly utilized for suppressing it?

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Cisco Switching/Routing :: WS-4503 - Core Switch Having High CPU Load

Jan 13, 2012

We have two core switches in our network (Cisco WS-4503). HSRP is working as Active-Standby mode. Recently it has been found that core 1 (which is in active mode) shown high CPU load (60% - 100%). Also found that the below mentioned process takes more CPU. Our network consist of around 30 Vlans. We have already checked for the solution in Cisco website [URL]  but couldn't find exact reason. see the below outputs for core 1 switch.
 
Core1# sh processes cpu sorted
CPU utilization for five seconds: 55%/3%; one minute: 65%; five minutes: 71%PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process  30   1606933521086983644        147 24.79% 29.93% 35.85%   0 Cat4k Mgmt LoPri  29 

[Code]....

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Cisco Switching/Routing :: Not Logging All Levels Of Sylog Messages From Core Switch 4503

Apr 23, 2012

We had a core switch(4503) in our environment and recently we tried to enable syslog in the switch. But the syslog server doesnt receives all the configured level messages from the switch. Following is the only message getting in syslog server after the configuration change in switch.
 
%SYS-5-CONFIG_I: Configured from console by CWLMS onvty1
 
(No Traffic related messages like acl deny traffic, spanning tree events etc are getting to syslog server as well as log buffer of the switch)
 
Following are the logging configuration for the core switch
 
logging monitor informational
logging facility syslog
logging source-interface Vlan44

[Code]....

1) Is there any more configurations required for getting all traffic related messages, (i mean all possible messages - upto level 7 - debugging)?

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Cisco Switching/Routing :: 3560 - IOS On Switch Model?

Nov 9, 2011

I am configuring some quotes for a customer whom I will be building a wireless network for.  The wireless network will support about 60 AP's, as well as some other wired drops.  The customer is working with a wireless vendor for the AP's, but I will be able to sell the switches for the network.
 
I want to ensure that he is pushing Gig and POE on each copper port for the AP's, since they will be "N" capable.  I have selected several 3560 models which are in 24 port models, and I also think i have a requirement which mandates a 48 port in another location.  What I have not been able to find in the Enterprise switch line is an 8 port which supports IOS and POE.
 
That being said, and since I am also "Select" certified, I went out to the SMB site, and did find that there were two models in the Small Business 300 line (models SG300-10P and SG300-10MP) which seem to support Gig ports as well as POE.  I looked over the specs for each one of the two respective models, and I was not able to find what the difference between each of these two are.  In other words, the specs, line by line, were identical.

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Cisco Switching/Routing :: BPDU Filter With 3560 Model Switch?

May 28, 2013

I am testing BPDU filter with 3560 model switch so I've looped 2 interfaces in that switch by configuring STP BPDU filter on interface levels and also connected one desktop in other interface on same vlan of looped interfaces with bpdufilter config. I am facing is both the looped interfaces are having heavy traffic due to this my switch CPU utilization also reached high. How to sort out this issue like why my switch interfaces traffic & CPU utilization went high even when I am using BPDU filter at interface level? As well as correct my BPDU configuration If I configured wrong. I thought it is a good practice and enabled this conf in some of my working environment but due to some loop my entire network went down?

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Cisco Switching/Routing :: Catalyst 4006 / Quickly Copy Configuration From Production Switch To Spare Switch?

Nov 20, 2009

I have a Catalyst 4006 switch in production and a spare switch of same model. I have to quickly copy the configuration from production switch to spare switch (both L2 and L3 configurations) How do I do that?

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Cisco Switching/Routing :: Inter-VLan Routing On Catalyst 3750 Switch

Dec 17, 2011

I have been looking into this for a while and I can't seem to figure out why my 2nd vlan is not able to connect properly to the net.
 
My switch has 12 ports where my devices connects directly, they are all on Vlan 1 and they all work perfectly. on Port 12 I have a dlink router that is connected to a cable modem. the dlink router has an Ip address of 192.168.0.20
 
I created a second vlan (vlan2) and enabled dhcp relay on it. then I assigned port 9 on the switch to  (vlan2)my laptop which is connected to port 9 seems to get an ip address fine and able to ping only some devices on my network (vlan1) and is not able to go out to the internet.  I think it has to do with the routes. [code]

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Cisco Switching/Routing :: About Intervlan Routing On Catalyst 3750 Switch

Apr 16, 2012

I have been looking into this for a while and I can't seem to figure out why my 2nd vlan is not able to connect properly to the net. My switch has 12 ports where my devices connects directly, they are all on Vlan 1 and they all work perfectly. on Port 12 I have a dlink router that is connected to a cable modem. the dlink router has an Ip address of 192.168.0.20,I created a second vlan (vlan2) and enabled dhcp relay on it. then I assigned port 9 on the switch to  (vlan2),my laptop which is connected to port 9 seems to get an ip address fine and able to ping only some devices on my network (vlan1) and is not able to,go out to the internet.

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Cisco Switching/Routing :: Can't SSH Into New Catalyst 2960 Switch

Jun 13, 2012

I'm having trouble setting up SSH on my new Switch.
 
no aaa new-model
aaa authentication login default local
ip domain-name king.local

[Code].....
 
I would like to be able to use Vlan 10 192.168.155.1 for SSH remote management.

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Cisco Switching/Routing :: Catalyst 2960 Switch Qos

Aug 20, 2012

i try to implement layer 2 qos in 2960. when i complete to configure the switch, i want to test the qos.PC1 conect to switch port 1,PC2 conect to switch port 2 . PC1 is source teminal. i use skydata.exe and FTP for the test.

when use the skydata ,the PC2 speed can reach 10mbps.when use the FTP , the PC2 only can reach 1.2mbps. why?

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Cisco Switching/Routing :: Can't SSH Into New Catalyst 2960-S Switch

Apr 29, 2012

I can use Putty to SSH into my new switch (Directly connected to my laptop  with ethernet cable), but I cant log into my switch.
 
Sent username "admin"
admin@192.168.251.1's password:
Access denied
  
It doesnt like my password, but I have only set 1 password (king) on this switch. I've configured 3 other switches with SSH and had no problem. Been trouble shooting for awhile and It'd be great if I could have a 2nd set of eyes take a peek, Also, my running config is attached.

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Cisco Switching/Routing :: Catalyst 2948G Switch Got Dead

Feb 15, 2012

I had an old Cisco Catalyst 2948G switch that I have not used in about 7 years down in my basement.  I powered it on and went through the process of clearing out the configurations, and I got to a point where one of the commands to clear out the config asked me to install jumpers for "ROM" and "ERASE".  There is a third jumper labeled "NO BOOT". They are numbered J6, J7, & J8 respectivelyI found the jumpers inside and put the jumpers on them and ran the command expecting it to remove any old configurations I had on the switch and bring it back to factory state, but I was wrong.

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Cisco Switching/Routing :: PA-MC-2E1 / 120 Work With Catalyst Switch 6506E?

Dec 12, 2012

Does the port adaptor PA-MC-2E1/120 work with the Catalyst Switch 6506E (Sup Engine: 720-3B)? We have bought a Enhanced FlexWAN card for this port adaptor.I read through the cisco website and seem to get confusing answers whether they are compatible.

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Cisco Switching/Routing :: Catalyst 2970 Switch For 2 Vlans

Oct 14, 2012

I am using a catalyst 2970 switch for 2 vlans. Corporate data and a separate VLAN for backups. What I want to do is create an LACP etherchannel to the switch and also trunk these ports so the server is part of both VLANS.Due to fact that some of these servers are on totally separated networks, they really shouldn't be able to talk to the backup server. Creating the VLAN for backups works to achieve this. I plan to create inbound ACLs on each port to allow only the ports and IPs for the backup network and allow everything we need for corporate data.I read somewhere that you can't have ACLs on an etherchannel and I just want to get it all straightened out. I notice I can't add an access group to the port-channel itself but I can on the port- channel member ports. Is this all I need to do or does this not work?

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Cisco Switching/Routing :: Catalyst 2948G Switch Is Dead

Dec 10, 2012

I had an old Cisco Catalyst 2948G switch that I have not used in about 7 years down in my basement.  I powered it on and went through the process of clearing out the configurations, and I got to a point where one of the commands to clear out the config asked me to install jumpers for "ROM" and "ERASE".  There is a third jumper labeled "NO BOOT". They are numbered J6, J7, & J8 respectivelyI found the jumpers inside and put the jumpers on them and ran the command expecting it to remove any old configurations I had on the switch and bring it back to factory state, but I was wrong. This switch runs CatOS, not IOS.When power is applied to the switch, the fans turn on as normal, but no LEDs are lit on the front.  There are green LEDs lit next to the jumpers inside, but that is all.  I am not able to get any response from it on the console at all anymore.The LEDs that are lit green inside are labeled "CR5" and CR6".

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Cisco Switching/Routing :: Unable To Mange 500 Catalyst Switch

Jun 8, 2013

I have inhereted a network in a school that is using a Cisco Catalyst 500 series switch. Previously, it appears that this switch was never managed (just plugged in and using it's default configuration). I am trying to change that and be able to control the switch using the Network Assistant or just the web-based device manager. I understand that you cannot perform the initial configuration with anything past Windows XP, because the broadcast flag setting past XP causes an issue where the IP address of the management computer is assigned but not the default gateway. Despite this, I am still unable to connect to the switch for management purposes. Here is a list of the steps I have taken, all of which have been unsuccessful:
 
1) I tried using a computer running Windows XP. The same issue occurred. It was assigned an IP address from the switch but did not get a default gateway. It was unable to access what should have been the default IP of the switch; 169.254.0.1

2) I tried it in Windows Vista by editing the registry to turn broadcasting off. It still did not work.

3) I tried it in Windows 7. Still no luck.

4) In all 3 operating systems, I tried using the "Advanced" setting in the TCP/IP configuration to add a default gateway of 169.254.0.1 to no avail.
 
[URL]

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Cisco Switching/Routing :: Catalyst 4500 As Layer 2 Switch But With VRF?

Oct 16, 2012

is it possible to run a Catalyst 4500 as pure Layer 2 Switch, i.e. disabling "ip routing", but still managing the switch via Fa1, i.e. the defautl mgmtVrf vrf ?I tried the following:

!
no ip routing
!
interface FastEthernet1
ip vrf forwarding mgmtVrf
ip address 192.168.1.1 255.255.255.0
!
ip route vrf mgmtVrf 0.0.0.0 0.0.0.0 192.168.1.254
ip default-gateway 192.168.1.254
 
I was not able to reach the Switch even from the same subnet. Only after enabling ip routing I could manage the Switch. I haven't found any command to set ip default-gateway for a vrf. Any workaround to keep routing disabled, but still manageable via VRF?

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Cisco Switching/Routing :: Catalyst 4900M Switch Stackable

Feb 2, 2012

Would like to know if the Cisco Catalyst 4900M Switches are stackable?

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Cisco Switching/Routing :: Catalyst 6500 Switch Architecture

Jul 16, 2012

one of the most widely deployed switches in the world. The "Swiss Army knife of network", can do routing, switching, security, wireless and almost everything that you would want your core switch to do. Remember to use the rating system to let Akshay know if you have received an adequate response. 
 
Akshay might not be able to answer each question due to the volume expected during this event. Remember that you can continue the conversation on the Network Infrastructure sub-community LAN, Switching and Routing discussion forum shortly after the event.  This event lasts through July 27, 2012. Visit this forum often to view responses to your questions and the questions of other community members.

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Cisco Switching/Routing :: Enable / Disable OID's In Catalyst 3750-X Switch

Feb 19, 2013

In my ongoing project i need to monitor cisco 3750-X port status (uplink/downlink) i.e. whenever there is some problem at a specific port. I need to monitor it through an OPC server and right now what i am doing is as follows: i am using Kepserver and i have added SNMP driver in it for that purpose i  am not a networking expert but what i have learnt till now is that SNMP  agent (that resides in switch)  delivers the status of MIBs to SNMP  manager ( which in my case is kepserver (opc server)) for the above purpose i am adding IF-MIB to monitor OID 1.3.6.1.2.1.2.2.1.8 (which shows port statuses) but when i add that in OPC server then it indicated that this OID is not available in the Switch ( it might be disabled) so i need to ask if there is any way to enable OID's in a switch,

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Cisco Switching/Routing :: Download IOS To Flash In Switch Catalyst 2960?

Jan 23, 2013

In a switch catalyst 2960 the IOS is erasing in flash, for the transfer IOs respalding to flash no function the current command. how is the method.

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Cisco Switching/Routing :: Catalyst 3750X-48P Switch Ports Dead

Jan 31, 2012

I work at a hospital and we have 3750X-48P switches in stacks in various locations throughout the hospital.  We have noticed that when an EKG machine is plugged into one of the ports on some of these switches and the EKG machines are set manually to 100/Full, the ports are no longer usable until the switch is restarted.  The switch is configured for auto.  If the EKG machine is set to auto, it will work and not cause problems.  The link on the interface will show up/up and there will be output packets increasing.  However, there will be no inputs on the link and the port is unusable.  Unfortunately, even when the device is removed, the port becomes unusable for any device.  Is there any way to fix this problem without rebooting the switch?

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Cisco Switching/Routing :: Factory Reset Catalyst WS-C2960G-8TC-L Switch?

Feb 20, 2012

How do I do a factory reset on a Cisco Catalyst WS-C2960G-8TC-L switch?

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Cisco Switching/Routing :: Switch Connecting Catalyst 4948 To 3750

Jan 5, 2011

I have got a new 48port Cisco catalyst 4948 switch, which I configured as a VTP client and connected to Cisco 3750 which is a VTP Server (this switch is on production network). I connected port g1/0/48 from 3750 to port g1/48 on 4948 through a straight cable and made both ports as trunk port (I also tried through cross cable). The problem is these two switches are not detecting. For testing I connected a PC directly to one of the port on 4948 (making that a switch port) still the LED on switch didn’t glow up. Is there any special command needs to be run on 4948 switches to activate its physical ports?

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Cisco Switching/Routing :: Firmware Versions On 4500 Catalyst Switch

Sep 19, 2012

How can I find out the firmware versions for IOS, modules and components of Cisco catalyst 4500 series switch. I can see the firmware version of IOS in show version command but how can I find it out for the modules or components of the switch.

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Cisco Switching/Routing :: Catalyst 3550 Switch - Dynamic QoS Setup

Mar 28, 2012

I live in a condo building that uses 3 Cisco Catalyst 3550 switches connected to a Comcast router with 100 Mbps download. Currently we regulate bandwidth by providing each user with 3 Mbps download. Even if only two people are active they still only get 3 Mbps download. I would like to set it up so if two people are using they each get 50 Mbps; a sort of 'dynamic qos. Is this possible with these switches? Would we have to purchase a Cisco router in order to provide this feature?

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Cisco Switching/Routing :: Cannot Administer Catalyst 2960 Switch Via Console

Feb 20, 2013

I want to configure my switch via console cable, the switch boots up normally, and there are no configurations present on the switch.  However, anything I type does not appear on the terminal client.  I used several terminal clients (TeraTerm, PuTTY, HyperTerminal), all latest versions as well as different PCs.  I even forced the switch to rommon mode, still, anything I type does not appear on the terminal client.
 
Here's the output of TeraTerm:
 
Boot Sector Filesystem (bs) installed, fsid: 2
Base ethernet MAC Address: e8:40:40:06:f0:80
Xmodem file system is available.
The password-recovery mechanism is enabled.
Initializing Flash...

[code]....
 
After the last line, I can not type any command at all.  I encountered this on three 2960 switches that we have here in our laboratory. 

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