Switching

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Hi all,I've experienced, recently and in the past, loop problems in my enterprise network, related to an access switch freezed. We still have access switches not connected through etherchannel to the distribution switches, which are in stack, so span...

gdspa by Level 1
  • 1235 Views
  • 7 replies
  • 0 Helpful votes

Hello,We are trying to filter sources by mac and have two targets below.We want only whitelisted macs to connect to the switch and any other should not have access to any port.We want only IT admins Computers to be able to access management interface...

Hi. I need to install c2960x-universalk9-mz.150-2a.EX5 on a new switch we are purchasing that will be added to our existing stack. When I search for this particular IOS version I get taken to the Catalyst 2960X-24PS-L switch page on the Cisco website...

pinko by Level 1
  • 394 Views
  • 1 replies
  • 0 Helpful votes

I am facing an issue. My network gets unstable for a minute and port of one switch goes to error disable and reason i get is loopback. I am not able to identify the issue. i have enabled err disable loopback but it makes network unstable for some tim...

I have several stacks of 2960-X switches running various versions of IOS 15.2 code.  I've been asked by our Telecom group to see if I can find out the power draw of the stacks in each data closet.  I can pull some info via the "show power" command:  ...

djmarkey by Level 1
  • 6778 Views
  • 2 replies
  • 0 Helpful votes

Hello, We have a switch connected to our operator's router. It's a 'OneAccess' router.What could cause the switch to see itself on the port connected to the router?SW#sh cdp neighbors Capability Codes: R - Router, T - Trans Bridge, B - Source Route B...

simc92 by Level 1
  • 398 Views
  • 1 replies
  • 0 Helpful votes

Hi I need help with my topology, so what I wantOnly this network (192.168.30.0/24)  is authorized to have access for remote configuration for the switches and not the others.But I want all networks to be able to "ping" the "internet" routerCurrently ...

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kaillros by Level 1
  • 566 Views
  • 2 replies
  • 0 Helpful votes

After upgrading a few 2960XR to the latest IOS (15.2.7E9) we have seen something that looks like a PoE negotiation issue with some G4S/Amag security nodes.After the upgrade it seems that the switch and the endpoint is not able to negotiate enough PoE...

Energia by Level 1
  • 566 Views
  • 3 replies
  • 0 Helpful votes