Cisco Switching/Routing :: Catalyst 2960 Series Ports Disabled When Connecting Vmware
May 21, 2012
I have a Cisco Catalyst 2960 series switch. When I connect another switch or a VMWare Esx server on one of the ports, the port blinks for few seconds and then goes off. When I connect a desktop or laptop or a windows server the ports stay led and I can access resources on the network. However, when connect another switch or a vmware esx server, the port is disabled.
What config in the switch can I check to make sure the ports stay on regardless when I connect a desktop / laptop, switch or vmware server?
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Jan 8, 2013
In an attempt to restore a Cisco IOS I deleted the file C2960-lanbasek9-mz.122-53.SE2.bin my swich
Before deleting the same was as follows:Directory of flash :/
3-rwx 12824 Mar 28 1993 21:00:37 -03:00 vlan.dat4-rwx 3096 Mar 7 2012 08:43:37 -02:00 multiple-fs5-rwx 2289 Mar 7 2012 08:43:37 -02:00 private-config.text6-rwx 7482 Mar 7 2012 08:43:37 -02:00 config.text9 drwx 192 Mar 23 2012 16:18:54 -03:00 C2960-lanbasek9-mz.122-53.SE2
32514048 bytes total (20204544 bytes free)Switch-01 #
Right now this switch as follows:
switch: dir flash:Directory of flash:/
2 drwx 64 <date> crashinfo_ext 3 -rwx 4120 <date> multiple-fs 5 -rwx 12824 <date> vlan.dat 6 -rwx 4018 <date>
[Code].....
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Dec 15, 2012
I have packet loss with QoS configured and I was wondering is it somehow connected with the QoS configured on the switch.The traffic is passing through fa0/19 and gi0/1 interfaces.
mls qos map cos-dscp 0 8 16 24 32 46 48 56
mls qos srr-queue input bandwidth 90 10
mls qos srr-queue input threshold 1 8 16
mls qos srr-queue input threshold 2 34 66
[code]...
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Sep 17, 2012
When i connect two cisco 2960 series switchs via stright trough cable causes delay in transmission sw1 has vlans and having trunk port connected to router all vlans are able to access internet sw2 is connected to vlan5 on switch1 sw2 has factory default configuration computers on sw2 can access internet but I have low bandwith problem on sw2 there is transmission delay problem?
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Apr 1, 2012
i have enabled error disbled recovery with time interval of 600 seconds on my 2960 switch.
What exactly this command does? Pls explain
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Jun 30, 2012
I just purchased a used Catalyst 2900 XL switch and have not been succesful in connecting to the console via minicom 2.5 running on Ubuntu 12.04 or 11.10, I don’t even get junk charecters in the terminal or echo on input. The switch passes POST according to the LEDs on the front and the network ports are fucntional for switching purpouses.
I’m using a Prolific PL2303 USB-Serial adapter, which works with minicom to console into another device. I’ve tried every baud rate available and tried combonations of hardware flow control, software flow control, and niether.I’ve tested the pinout of the console cable and all pins map correctly according to Cisco spec.I’ve also tried Cutecom, putty, and screen. I have not tried HyperTerminal because I do not use windows.Is it possible that the previous owner disabled console access? Do I need to reboot the switch each time I test a different baud rate?
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Oct 18, 2012
I'm trying to configure Catalyst 2960 series 8 port switch in my office. I have just plugged in switch and started and then put Ethernet cable (which is coming from the wall port (LAN) into CONSOLE (switch). and connected my laptop's ethernet cable to switch's 1x por
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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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Mar 18, 2013
I have Catalyst 2960 S (WS-C2960S-48FPS-L) Switch. I have plugged in SFP module but still interface is down and line protocol down. Is there any configuration to enable SFP module and make the interface up?
This port is connected to nexus 5 k.
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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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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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Dec 1, 2012
How would I go about stacking 4 Cisco Catalyst 2960-48PST-L switches? The one switch needs to accept a fiber connection from a distribution switch. Do I have to buy flexstack module and cables? If so where does the module go on the switch? If this switch cannot do this set up, any other switch I should look at.
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Sep 20, 2012
Will catalyst2960 supports SSH, and how to configures with CLI.
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Apr 9, 2012
I need to upgrade a Catalyst IOS, but I got a bit confused. The catalyst is currently running "c2960-lanbase-mz.122-35.SE5.bin", but I want to upgrade to "c2960-lanbasek9-mz.122-35.SE5.bin", in order to enable ssh. [code] What are the appropriate steps in order to upgrade to "c2960-lanbasek9-mz. 122- 35. SE5.bin". I have downloaded the tar file (c2960-lanbasek9-tar.122-35.SE5.tar)
1) Do I have to delete the old directory (drwx 192 Mar 1 1993 02:07:21 +02:00 c2960-lanbase-mz.122-35.SE5)?
2) Are these the correct steps to download and extract the IOS?
3) Where will the tar files be extracted? Will an new directory be made or do I have to make one manually?
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Feb 17, 2013
I have 4 Catalyst 2960 connected via Etherchannel to each other. If I plug in my notebook in one port, I see the traffic from the neighbor port. So my switch acts like a hub.. I had a look at my MAC table and saw it isn't full.
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Mar 19, 2013
I have peculiar challenge ahead of me and would like to get new perspectives.
The objective is to route specific VLAN traffic and the caveat is that I have multiple VLANs with the same network address.
For example:
VLAN100 10.10.10.0/28 VLAN101 10.10.11.0/28 VLAN102 10.10.12.0/28
VLAN103 10.10.12.0/28
VLAN104 10.10.11.0/28
I need traffic going from VLAN100 with a destination of 10.10.11.0 forwarded to VLAN101 and NOT VLAN104.
This task is currently being completed by a multi context firewall and we're trying to decommission the asset.
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Nov 12, 2009
If a Supervisor 6-E will support NetFlow on a Catalyst 4507R-E?If not, what are my options for NetFlow on a 4507R-E?
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Dec 25, 2012
I was trying to configure my Catalyst Express 500 switch (PID VID: WS-CE500-24LC V01) and i followed the step i found in a document on Cisco website but still it showed an error "Page not found" and address displayed on bar was"169.254.0.1/catalyst-express.htm).
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Nov 7, 2012
we hava a couple of 2960 switches and we are logging to a syslog server. Ports keep going up and down is it normal severity (error) ?
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Apr 19, 2009
How to change ip address in cisco 2960 series switch?
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Dec 11, 2011
I have a design for my infrastructure and i'm thinking to choose 4 or 5, or more, 2960 series in a stack mode instead of one 4500 series?
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Mar 5, 2013
Suddenly my 2960 D series switch went offline and i founf the switch was not powering. I can't figure out the issue.
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Feb 9, 2012
I have ciscl catlyst 2960 8port switch, (flash:c2960-lanbasek9-mz.122-50.SE4/c2960-lanbasek9-mz.122-50.SE4.bin).
and in need to configure bandwidth limit for one of the port as a 1Mbps.
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Dec 25, 2011
I need to know if Cisco Switch 2960 support Netflow. If it doesn't, how do I configure the switch to enable Netflow?
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Mar 21, 2013
I have a Catalyst 2960-S switch and a pre-standard IP Phone (Cisco 7960). When I connect the phone to the switch the switch recognizes the phone and supplies power. I would like to prevent this behaviour. ie. I would like to disable detection of pre-standard equipment. Is there a command I can issue on the 2960-S to do this? For example, on a switch from a different vendor I can issue the command: no power pre-std-detect to prevent it from detecting the 7960 phone, is there an equivalent command on the Catalyst 2960-S ?
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Mar 14, 2013
I'm trying to create trunkports on our Catalyst 2960. I'm following this guide to configure interface fa0/1
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Mar 14, 2013
I have two 2960's in this new environment that I am administering. I am receiving a message on one unit (Designate it 2960-2) of %IP-4-DUPADDR: Duplicate address 192.168.168.8 on Vlan1, sourced by 3037.a63e.540. The "sourced by" address is the 2960-1. I do not know how these units were originally set up. How can I determine where the duplicate address is originating from.When I perform an ARP -a the address that corresponds to the 192.168.168.8 is the mac address of the ethersvi interface on the 2960-1. I
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Apr 11, 2012
I followed the 3-switch Redundant stacking diagram and now when I boot up the stack Switch 2 is acutally Member 3 and Switch 3 is Member 2.
We plan on having Port-Channels spanning across Switch 1 - Master and Switch 2 (Member 3) of identical port types. Switch 3 (Member 2) is going to have 2 10GIG port channel created.
Is there going to be a problem renumbering the stack as they physically sit or should I just configure the devices based on thier logical member numbers.
I don't understand why the stack connection is Switch 1 - 1 ----> Switch 2 -1
Switch 2 - 2 ----> Switch 3- 1
Switch 3 - 2 ----> Switch 1 - 2
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Sep 13, 2012
I have CISCO RPS 600 (PWR-AC-RPS) is it support Catalyst 2960 and 3560 ? and which type of cable require since i have cable 22-18 pin and on my switch require 22-14 pin.
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Nov 20, 2012
At one of my sites, I have a 100mbit TLS. For this connection to work properly, the port on my end needs to be setup for 100mbit, full duplex. When I connect the TLS to an interface on my Cisco 2821, configured at 100/full, it works perfectly. Now the confusing part, I'm trying to connect the TLS to a Catalyst 2960. I configure the necessary port for 100/full, and get 'notconnect' on that interface. I set the interface to auto/auto, and it negotiates at 100/half and causes collisions and packet loss.
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Oct 8, 2012
I have Cisco Catalyst Stack structure that consist of;
3750E-48TD-S (MASTER) (UNIVERSAL Image)
3750G-48TS-S (IPBASE Image)
3750G-48TS-S (IPBASE Image)
3750G-48TS-S (IPBASE Image)
I want to upgrade their IOSs to k9 images.
I can not dowload Universal Image file from Cisco website because of the expired service contract. I have IPBASE IOS files for all switches,
Can it be a problem to upgrade master switch IOS from Universal to IPBASE image?
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Jan 8, 2012
Does a new Cisco Catalyst 4500 series supervisor 7L-E model WS-X45-SUP7L-E is backward compatible with a Cisco Catalyst 4500 series chassis model 4507R? I've checked on Cisco website for that Supervisor and it shows only new chassis models WS-C4507R+E and R-E, but what about old type of chassis? We need to upgrade that Supervisor as it's out of line, but we don't really want to buy a new chassis as well as it's going to be very pricy.
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Feb 5, 2013
I have a statck of 4 2960s switches, with POE powered access points on 2 of them. All of the access points appear to be functioning normally. For some reason, on 3 interfaces connected to access points, I get the following when issuing show interfaces status:
Gi3/0/9 connected: T 7 a-full a-1000 10/100/1000BaseTX
^
My question is regarding the "T" in the status field. I can't find any documentation on this.
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