Cisco Switching/Routing :: 2950 Laptop Doesn't Have Serial Port

Feb 15, 2013

I have two 2950 Switches and am trying to connect via my laptop.  My laptop doesn't have a serial port so I am trying to connect through the ethernet port, with a straight through cable and on the end as it goes into the console port I have bought a cisco console rollover adapter.When I turn on terra term I get nothing...just a black screen and it disconnects.

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Cisco Switching/Routing :: 2950 - Etherchannel Doesn't Go Up

Jun 11, 2012

I have a problem with an etherchannel between a cisco 2950 and a couple of catalyst 4506. The  cisco 2950 is connect via an etherchannel to the catalyst 4506A. The  channel consist of two port on both side and is in trunk mode, encapsulation dot1q.Now i have the necessity to connect the 2950 to the other catalyst, 4506B. So,  i copy the same configuration on the 4506B, but when I unplug the two  rj45 cables from the catalyst 4506A to plug them in the 4506B the  etherchannel doesn't go up in any way.

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Cisco Switching/Routing :: 2950 Error Would Be That Sticky Command Doesn't Exist

Jun 5, 2013

I'm having an issue with port-security on a cisco 2950 switch. The port-security is setup to user sticky mac-addresses and was working just fine. Recently when a computer was changed out and I needed to clear the security on the port it wouldn't let me.I would type clear port-security sticky int fa0/## and it would give me an error. The error would be that the sticky command doesn't exist.So I went back and type clear port-security ? and the only option was dynamic. Even if I try to take the port security off the switch it wont let me, it never shows the option for sticky.If I change the maximum number of mac-addresses allow the computer will work, but I can never clear the old addresses out.

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Cisco Switching/Routing :: 2950 Port Security Is Not Working

Feb 23, 2013

I have network consists of more then 20 cisco 2950/2960/3700 switches.  I have configured port security in my switches. initially when i configured on my switches it worked fine....even for copule of months it worked fine. but suddenly it start creating issues and now i am not able to implement port security on switches. the configuration is same but there is no effect now. Same switches were fine but now even having same configuration it is not working. please see the configuration: [code]

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Cisco Switching/Routing :: Configuring Port Forwarding For 2950?

Jul 11, 2012

Is it posible to config port forwarding on cisco 2950 or other switchs.if such a option is there ple let me know ho to config port forwarding on cisco 2950 switch..

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Cisco WAN :: 2620 / 2950 - Serial To USB Adapter For Routers?

Jun 26, 2012

I have some 2620 routers and 2950 switches that have Console Ports that are serial.  However my HP PC w.Win 7 dosent have any serial ports. I am looking for a USB to Serial converter that will allow me to access the console ports so I can configure these devices. I've read many old posts and still havent found a solution.  Is it true that none of these cables work? Anything that will work on XP? (also have XP PC's).How about a RJ45 to Serial?? How about a PCI Serial card? I cant believe Cisco hasnt developed a conversion cable to use with their Console Cables?

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Cisco Infrastructure :: 2950 - Determine The Serial Number On GBIC

Jun 27, 2004

Im trying to determine the serial number of Gbics already installed and running on a Catalyst 2950 switch. Is there a specific command to do so? There is a command on Catalyst 4506 that gives all info regarding the Gbic ("show idprom interface gi 1/1") Is there something equivalent for 2950?

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Cisco Switching/Routing :: Need To Know Serial Number Of Sup720

Dec 10, 2011

How can i find the serial number of sup-720 which is totally dead and not boot?By which sticker on SUP and where ? How many digits ?

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Cisco Switching/Routing :: AS 5350 XM - Serial Number

Oct 16, 2011

I have about (12x) AS 5350 XM installed in a remote site. I would like to know their serial numbers (the one on the sticker outside the AS) I know that this SN begins with JMX and contains 11 characters. When tel netting those AS, and type the following commands : show inventory, show hardware, show version, show diag.. i can't find those serial numbers. I can find others which begins with JAE !

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Cisco Switching/Routing :: No Serial Connections With 2911

May 8, 2011

I have 2  2911 routers that will be connected via fiber with an ethernet Gig handoff to each router. Each router will then be connected to local networks on a second ethernet interface on the router. I have always connected routers via serial connections so this is new to me. Outside of the usual ethernet interface addressing configuration, is there anything else that would need to be configured on the 2 routers?

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Cisco Switching/Routing :: C2960S Flexstack Serial Number

Mar 21, 2012

Is there a CLI-command to see the serial number of the flexstack module installed in a C2960S.

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Cisco Switching/Routing :: To Find Out The Serial No For Cip Card 7500

Feb 8, 2012

How do we find out the serial no. for a CIP card on a cisco 7500 router.

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Cisco Switching/Routing :: 4900 Failed To Read Transceiver Serial

Jul 30, 2012

When I insert the TwinGig Converter in a Catalyst 4900M you get the following error message: Failed to read transceiver serial eeprom on port Te2/1, try reinserting.This error is probably because the device expects 10Gig transceivers to be connected to the device not 1Gig.I used the TwinGig 4 module and 8 SFP ports are connected. But when i type in the the "hw-module module <slot> port-group <group> select gigabitethernet" the command is not available.  [code]

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Cisco Switching/Routing :: Location Of Nexus 1010 Serial Number?

Jun 5, 2013

Where on the case is the serial number located?  I have a dead one that needs RMA.

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Cisco Switching/Routing :: 2811 - New Serial Card Interface Not Detected?

Mar 26, 2012

I have existing cisco 2811 (Version 12.4(3c)). I try to add a HWIC serial card into the router but the new HWIC is not detected. There is no new interfece shows up when i do show run. This HWIC is a new card just bought it.

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Cisco Switching/Routing :: 1841 - Connecting Routers Via Serial Interface

Oct 22, 2012

While I managed to connect to each router individually, I decided it was time to connect the routers together via serial; as I don't have any serial cables and need to buy some, what serial cables I need, as well as to ask whether I have the right cards in my router(s) that will allow me to do so.
 
I bought 3 1841 routers, and all have a 1 port serial WAN Interface Card (WIC 1-T); one router has 2 of these, and one router has a WIC-1B-S/T .. My question is, can I connect the routers with a serial cable via WIC 1-T, or do I need a 2-T

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Cisco Switching/Routing :: PPP Multilink Not Coming Up On Serial Interface / 3620 Router?

Nov 1, 2011

I just finished setting up a bundle of (2) T1's in a multilink bundle and I'm having issues with one of the T1's not wanting to join the bundle.
 
The router I'm using on the remote office location is a 3620 router running code c3620-i-mz.121-1c.bin
 
The campus router which is a 7206 is setup the same exact way with multilink 240 and like I've said, serial 0/0 is joined to the bundle just fine, so we are running off one T1 connection.
 
The serial interface that is not working is: serial 0/1
 
Here is a show-run:
 
interface Multilink240
ip address 172.18.xxx.xxx 255.255.255.252
ip route-cache flow
ip ospf network point-to-point
service-policy output PhonesFirst
ppp multilink

[code].....

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Cisco Switching/Routing :: Way To Get More Messages Out Of 2950 Set To Syslog

Feb 11, 2012

Is there a way to get more messages out of a 2950 set to syslog? I've turned every logging option I can find to DEBUG, but all I get in my syslog are LinkUp/Down messages and "Configured from console by console". I'd love to see more information such as configuration changes, or even someone attempting to set up DTP on a switchport set to access mode.

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Cisco Switching/Routing :: 2950 CRC Errors On Switch

Jun 22, 2012

One of my wi-fi site having 2nos cisco 2950 switchs. in that network some D-link unmanageble swithes also there and access points also connected to cisco switchs and D-link switchs.after one or two days i am not able to connect the wi-fi, then i need to restart the access point then only wi-fi is working fine.I upgraded the latest ios also.I connected some access points to the cisco switch ports, those ports are showing crc error messages like below. [code]

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Cisco Switching/Routing :: 2950 / NIC Teaming On Two Switches?

Apr 25, 2013

I have a server windows 2008 that I would like to have a nic teaming configuration, the server has two nics, each nic is connected to a different switch. One is connected to cisco 2960 and the other is connected to cisco 2950. I have read here in forums about nic teaming but using the same switch. I have not found using different switch. Is this possible?

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Cisco Switching/Routing :: Set 2950 IOS To Be Loaded From TFTP

Jan 11, 2012

2950 switch has a IOS on flash , but i would like to set the swith like...

1. switch IOS to be loaded from TFTP server .if it fails

2. Loaded from local flash IOS1 , if it fails

3. IOS loaded from local flash IOS2.
 
does 2950 switch support this feature.

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Cisco Switching/Routing :: 2950 - How To Upgrade IOS Remotely

Dec 14, 2011

I have a cisco catalyst 2950 switch (flash:c2950-i6q4l2-mz.121-22.EA1b.bin), in remote location with public IP,how to upgrade ios remotely, by that time running configuration will go?how much down time is required and ?

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Cisco Switching/Routing :: VLans Limit On 2950?

Jun 12, 2012

I have 10 2950 switches on my network that support only 64 vlans on each one.  I actualy have requrement to cleate around 100 vlans acros them, can I switch off vtp and create required vlans manualy? I will have more or less following set up:
 
router
|
2950 - vlan 1,2,3,4,5,6,7,8,9,10

[Code].....

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Cisco Switching/Routing :: 2950 - Meaning Of I6q412

Dec 9, 2011

c2950-i6q4l2-mz.121-22.EA10a.bin is the image name of the 2950 switch i have in my office. what is the meaning of " i6q4l2 "? I saw some IOS like IP base, adv-security. but i didn't see anything like this before.

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Cisco Switching/Routing :: 2950 - Security Precautions

Jul 15, 2012

What are the security issues in connecting a notebook to a console of the 2950 switch? Can  virus or Trojan enter into a switch during configuration session? If the answer is yes, what precautions must I take to prevent such case?

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Cisco Switching/Routing :: How To Enable SSH In 2950 Model

Oct 26, 2009

i am having 2950 switch. Now i login through telnet but as per the company standard i have to login through ssh. Is there any possible to enable the SSH in 2950. Any IOS supporting this operation.
 
flash:/c2950-i6q4l2-mz.121-19.EA1c.bin

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Cisco Switching/Routing :: 2950 Switch Not Allowing To Set Up SSh

Feb 8, 2013

After setting up the domain name I try to use the crypto key and it is no where to be located. Below is some of the information I copied from TeraTerm
 
Switch-1(config)#ip domain-name justin.lab.comSwitch-1(config)#crySwitch-1(config)#cry?% Unrecognized commandSwitch-1(config)#crypto key ?% Unrecognized commandSwitch-1(config)#crypto key ^% Invalid input detected at '^' marker.
Switch-1(config)#?Configure commands:  aaa 

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Cisco Switching/Routing :: CatOS 2948G Serial Number - Show Version / Sprom And Sticker Don't

Oct 25, 2012

I am trying to find the serial number on the CLI that matches the serial number sticker on the back of a  WS-C2948G-GE-TX  switch that runs CatOS. I am running code cat4000-k9.8-3-2-GLX.bin. I have 4 different switches and all the stickers have a serial that starts with JPE.. and both "show version" and "show sprom 1" and "show sprom 2" gives me a completely different serial number that starts wtih JAE... All of these serial numbers I get from the CLI match with each other. The command "show sprom chassis"  says "Feature not supported."

Is it possible to find the serial number that matches the sticker from the CLI on a 2948G? Why does Cisco make this so confusing?

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Cisco Switching/Routing :: Rate Limit Configuration On 2950

Jun 10, 2012

I configured rate limit on cisco 2960 switch sexuss fully, but i could not configure in cisco 2950 (verson 12.1 (22).To confiure the same on 2950

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Cisco Switching/Routing :: 2950 Is Experiencing High CPU Utilization

Dec 9, 2011

I am experiencing high cpu utilization in my 29501 switch. see the copied sh process cpu output.
 
CPU utilization for five seconds: 99%/95%; one minute: 89%; five minutes: 37%
PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
1           0         2          0  0.00%  0.00%  0.00%   0 Chunk Manager

[Code].....

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Cisco Switching/Routing :: Gigabit Ports Not Working On 2950?

Apr 18, 2012

I am trying to test the gigabit ports on a Cisco 2950 switch. 1000Base-SX.  I have the internet or dhcp server connected to port 24 on the first switch and my pc hooked up to the (any) port on the second switch. Both switchs are connected with a fiberoptic cable with MTRJ connectors on either side.
 
Now when I use gi0/2 on both switchs all works fine. I get a dhcp address from the router on the other end of the first switch. but when ever I include gi0/1 on either end of the fiber optic cable neither of the ports will initialize (neither of the leds above the ports light up). I have deleted all the config files before booting up the switchs so they should have a default blank configuration.
 
When looking at the Http web page for the switch I dont see any issues with the port. what can I do to make sure these ports are working or can be configured?
 
 I will not be able to post back any more information about the switch until next tuesday. Im off till then.

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Cisco Switching/Routing :: 2950 To Assign DHCP With VLAN

Apr 27, 2012

Stumped again with my Catalyst 2950. Everything is working perfectly with wan/dhcp/router on fa 0/1 with all ports assigned to vlan1. All devices plugged in connect to the router correctly with ip's being assigned via dhcp.Instead of hooking up by console port I want to be able to SSH or telnet in to the switch using any port while still maintaining the above functionallity. Is it possible to assign a dhcp assigned ip address to vlan 2 and have vlan1 and 2 bridged? Or is there a better way of doing this ?

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Cisco Switching/Routing :: 2950 VLAN Database VTP Management

Jul 4, 2012

spam up the boards with the same basic CCNA level stuff, but I have a couple of questions about ios differences, limitations, and references. I have the following three switches. One appears to be considerably dated in regard to software version. My confusion/ignorance stems from managing VTP settings.
 
2924XL     12.0 5 WC8
2950          12.1 22 EA6
2950          12.1 22 EA6
 
When I set either 2950 switch as the VTP server, and the other as a client, the client inherits the server settings as expected. However the 2924 requires that I go into the vlan database from priv exec and manually set vtp client. That's pretty similar to setting any switch to client mode. The problem I am observing is that after setting the 2924 to client, it still doesn't inherit vtp version settings or pruning settings. I still have to manually configure those. Additionally, if I copy run start the 2924 after making these manual settings, and then reload the switch, all the settings are lost and it defaults back to server mode with all features disabled. From my searches, it looks like vlan information is stored in vlan.dat, but all the documentation I've found is on 12.1 ios which doesn't appear to use vlan database for vtp setup, meaning it might still be an issue, but not one I'm focused on at the moment.
 
Is the vlan database dumped at reload? I've read vlan.dat is stored in nvram and should be saved after a copy run start, but that is not the case for me.I have since set the 2924 as the server, manually configured the server from vlan database, executed copy run start, and reloaded the switch. Oddly, my manual settings saved from the reload, meaning I only lose settings when the switch is in client mode.Am I missing additional necessary client commands to save the config, or is this just a limitation of either the 2924XL or the 12.0 ios?On a related but completed out of scope topic, without a cisco service contract, how am I supposed to make heads or tails of all the different versions of ios, along with the letter-based features and what-not? I can't even find my 2924 in the list of platforms when searching for ios upgrades.

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