About Sheikh Islam

Sheikh Islam · 03-17-2020

Hello Everyone. We have a stack of 4 3850s with IOS ver 03.06.04.E. Couple of weeks ago one of two 10gig network module stopped responding on sw4. Upon checking we found that the fiber cable was fine. We tried a spare port on the other Network module...

Sheikh Islam · 11-22-2019

Hello all,I finished my CCNP switch exam wich validated my CCNA as well. Now, my CCNA ia expiring in Dec. I understand the certification is changing in Feb 20. My question is - If I do the switch exam again before the expiration date of my ccna, wil...

Sheikh Islam · 06-26-2019

Hello everyone, We have a bunch of cisco c3750X switches in our network. We are doing IOS upgrade on those. I have had issue when upgrading our 3850s and had to select an IOS that was not the recommended one by Cisco but several forum users advised o...

Sheikh Islam · 05-01-2018

Hello Everyone, I have just recently configured a new 3850X. We had 3750Xs on our network. An Infrastructure refresh is now planned and we got 3850Xs to replace the 3750Xs. I started configuring one of the switch and pasted all standard config that...

Sheikh Islam · 04-16-2018

Hello Everyone, We have this C3750 switches on our network with IOS version - 12.2(55)SE1. To fix recent vulnerability with smart install ( https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-smartinstall ) we ha...

Sheikh Islam · 03-18-2020

Thanks Balaji. I will give this a try when I have an approved downtime. This stack serves the most important part of our building that is open 24/7.I will let you know the outcome once I have tried it.Regards,Sheikh

Sheikh Islam · 11-23-2019

Hi Gagan,Thanks for replying but thats just saying ‘Google it and you will find your answer’.I have already tried to look for this query on cisco certification and other cisco community sites. But what I found is not clear to me. So before I call cis...

Sheikh Islam · 06-26-2019

I have tested with SE12. With this installed , Switches come up ok in a stack for some reason. With E7, switches wont come up properly, I had to restart them manually etc to get them up in the stack, Version mismatch etc had come up. And E8 is the re...

Sheikh Islam · 01-29-2019

Hi, I have had the same issue when I upgraded one of our C3850 to 16.9.1 - it broke the port channel. I have been asked by TAC to check the config on both sides and make sure they are same. It was same. That port channel is still broken. I had be...

Sheikh Islam · 05-02-2018

Thanks. Do I need all of these file sin the Flash: HH_MEDSFW_SW2#sh flash:-#- --length-- ---------date/time--------- path 2 2097152 May 02 2018 13:55:56.0000000000 +00:00 nvram_config 3 15954560 Apr 06 2017 04:22:42.0000000000 +00:00 cat3k_caa-gu...

Member Since	‎10-07-2013 09:07 AM
Date Last Visited	‎08-07-2024 01:09 AM
Posts	23

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Mac address not showing for stack members on SH Switch

CCNP certification renew

150-2.SE12 or 152-4.E8

Cisco 3850X - ACL turns up without configuring ?

Disabling Vstack - C3750 - 12.2(55)SE1

Re: Mac address not showing for stack members on SH Switch

Re: CCNP certification renew

Re: 150-2.SE12 or 152-4.E8

Re: Troubleshooting EtherChannel!

Re: Cisco 3850X - ACL turns up without configuring ?