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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

Hi.  i need to connect avaya phones to the Cisco 3750x switch. if i connect the phone on an independent port it works. but if i want to connect the ophone and dassy chained the phone with a PC , the Avaya Phone will get the ip address of the Data VLA...

"Failed to execute the command archive download-sw /overwrite /http iosFile" when trying to upgrade IOS using CNA 5.8 (9) on a C2960-24TT-L.I also get this failure in CLI mode when using the "archive download-sw /overwrite..." command.  The only work...

amron2008 by Level 1
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All,After testing IPSG, I noticed that an arp response is received on a port with SG enabled. Being that arp is (debatedly) L2, I can ping the workstation that doesn't have a binding in the dhcp database or static source bindings and I get a single r...

Hello everyone!What are your thoughts on using GUI to manage a 3560x switch? I'm okay with CLI all the way, but wanted to know if there are any benefits to using the web based version. I installed the latest image with web based and I'm finding that ...

I'm trying to update a 2651XM, can get to ROMMON ok but using "dir flash:" (no quotes on console) results in a 'command "dir" not found' error.flash: exists as a device and can be listed with the dev command and viewed without issue from the IOS ...a...

Hi eXperts,I am not able to get working QOS as I expect Two stations are attached to the same switch and one of them is dedicated to uploadtraffic intensive.The goal is to leave all the bandwith available to this pc where there are no other pc making...

Strange question regarding power provision.  I have 4510R+E with 2 PWR-C45-6000ACV supplies with 4 identical feeds.  The switch is configured for power redundancy mode. (We have many of these - all exhibit the same problem - identical hardware/IOS/co...

Hi, i have an issue with a c3kx sm 10 module on a 3750x. I have upgraded the switch and the module to ios universal 152-1e1. When i issue the command sh switch service-module, i get h/w status:ok , cpu link: notconnected, cpu version: n/a. The upgrad...

Here is a link to the previous post to explain where we were. https://supportforums.cisco.com/message/4133793#4133793OK..I have an ASA 5510 and a 2921.The ASA is used and vpn/firewall and and internet,The 2921 is used for inter-vlan routing.. My  pri...

Hi guys, one of my switch ports suddenly went into spanning tree LBK state. the switch is not configured with any vlans or any extravagant configs, basically its plug and play. the port which went into LBK state has got a wireless access point connec...