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Ask the Expert: Catalyst 2960-X and 2960-XR Switches Overview, Configuration, and Troubleshooting

Monica Lluis
Level 9
Level 9
 

The Cisco Catalyst 2960-X models provide Layer 2 switching and have one fixed power supply with an external redundant power supply. They provide 24 or 48 Gigabit Ethernet wire rate ports, PoE/PoE+ support, and four 1G Small Form-Factor Pluggable (SFP) or two 10G SFP+ uplinks. With FlexStack-Plus technology, the Cisco Catalyst 2960-X switches can be stacked up to 8 members with up to 80 Gbps stacking capacity for high scalability. During this presentations, Roopa R. will talk about the architecture and stacking of the Cisco Catalyst 2960-X and 2960-XR Series Switches. She will also cover packet walk through, overview, configuration and troubleshooting of various features on these switches like QOS, Security, Netflow, PnP etc.


You can ask questions about the architecture and stacking of the Cisco Catalyst 2960-X and 2960-XR Series Switches. She will also cover packet walk through, overview, configuration and troubleshooting of various features on these switches like QOS, Security, Netflow, PnP etc.

To participate in this event, please use the Reply Button to ask your question.

Ask questions from Tuesday May 10 to Friday May 20, 2016

Featured Experts

Santhosh Chidri Nagaraj is a Technical Leader in Enterprise Access Switching group at Cisco. He is an expert on Forwarding – 802.1X, Security, Cisco Identity, AAA, Radius, Cisco TrustSec technologies and products. Santhosh holds a Bachelor’s Degree in Mechanical Engineering from Bapuji Institute of Engineering and Technology and an MBA Kuvempu University in India.  He has 17 years of experience in IT and has been working at Cisco for 5.5 years. Prior to Cisco he worked at Texas Instruments India Pvt Limited, Novell, HCL Technologies.

Prabha Ganesan is a Software Engineer in Enterprise Access Switching group at Cisco. She is an expert on Forwarding – Platform, Forwarding L3, L2, ASIC Validation as well as Catalyst Switches technologies and products. Prabha holds a Bachelor’s Degree in B.E Computer Science and Engineering from Anna University in India.  She has 10 years of experience in IT and has been working at Cisco for 6.5 years. Prior to Cisco she worked at Computer Sciences Corporation.


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Monica Lluis
Community Manager Lead
51 Replies 51

No NAT is not supported on the 2960X

Lee Win Neng
Level 1
Level 1

Hi all,


I would like to request for your assistance to advice me on the switch's firmware upgrade on C2960X-24TS-L/C2960X-48TS-L while I had tried to upgrade from version 15.0(2)EX5 to version 15.2(4)E6 during staging/testing phase. Unfortunately, the switch failed to load after the upgrade of firmware to 15.2(4)E6 with "Boot Fail" error. I had conduct a power cycle as suggested from the Cisco forums and the switch was failed to power on and stop the boot-up process midway which not even boot into rommon mode with the error message below.

Error:-
CPU rev: B
Image passed digital signature verification
Board rev: 5
Testing DataBus...
Testing AddressBus...
Testing Memory from 0x00000000 to 0x1fffffff...\

Kindly need your advice on the firmware upgrade from 15.0(2)EX5 to 15.2(4)E6 which I had read the release notes but did not mentioned any upgrade path/minimum firmware to upgrade.
Links = https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960x/software/15-2_4_e/releasenotes/rn-1524e-2960x-xr.html#pgfId-267498

You may try to re-upgrade its firmware to Cisco IOS Release 15.2(4)E7/E8 and while doing the upgrade please secure intact power supply to prevent any interruptions. Hope it will help..

Harley

Hi,

 

Thank you for your replied while I am wondering that can I direct upgrade from version 15.0(2) EX5 to 15.2(4)E7/E8 because of the differences between EX5 and E7/E8. I also would like to ask for your kind advice on any differences between EX and E for C2960X which I saw both version was supported on this model in datasheet.

 

Thank you.

 

 

Hi,

 

E is the mainstream release and would have any new features introduced. Yes, you can directly upgrade from EX to E.

 

Thanks,

Roopa

Haroon321
Level 1
Level 1

Hi 

 

I am facing a problem in saving configuration in cisco 2960x.

LHR-RHQ-LG-SW#wr

Building configuration...

mifs[11]: Error writing sector 35 error 3

 

nv_done: unable to open "flash:/config.text.new"mifs[11]: Error writing sector 35 error 3

 

nv_done: unable to open "flash:/private-config.text.new"mifs[11]: Error writing sector 1 error 3

 

nv_done: unable to open "flash:/multiple-fs.new"[OK]

NVRAM Verification Failed

 

can anyone help me.

 

Haroon

Did you try performing a power cycle? and if you did, what happened next?
If still persist, may I know what IOS version you're using now?
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