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Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, February 2, 2026, through Friday, February 20, 2026. Our colleagues Amruta Navadagi, Anaya Kalawat, and Mohammad Mehtabuddin will be waiting to assist you...

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amnavada by Cisco Employee
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  • 29 replies
  • 1 Helpful votes

Intrastucuture:9x3750E stacked switch (WS-C3750E-48PD-SF0) (15.0(1)SE2            C3750E-UNIVERSALK9-M)2x10Gbe uplinks from EMC NASAt a basic level, we have found that the 10Gbe uplinks have slow read performance with or without a port-channel config...

A few weeks ago, I tagged all the connected and static subnets being redistributed in to OSPF. This is used to filter out certain routes at our edge (using a route-map).It seems at around the same time (there were other changes at that time as well, ...

I have a 4503 with a SupII+TS w/12 POE ports. While connecting some AP's to this switch, only 10 of the 11 AP's are receiving power, with the 11th port showing power-deny status. Is there any way to get this last AP to power up (short of using a POE ...

a17j13j05 by Community Member
  • 525 Views
  • 2 replies
  • 0 Helpful votes

Folks:I am reading through the following document http://www.cisco.com/c/en/us/products/collateral/switches/catalyst-2960-x-series-switches/white_paper_c11-728327.pdf preparing to deploy a few 2960x switch stacks. Some of my stacks will be 4 units, a...

Hey there,I have port security turned on my switch stack, with a maximum of two mac addresses, one for voip phone, one for pc.Intermittently, mac address  7e77.3777.5776 will pop the port. I can't figure out where this mac address is coming from.User...

I've got a 3850 that seems to be misbehaving.I'm running version 3.3.1 and short of trying to schedule a reload of the stack, I'm not sure what else I can do.Right now I have three problems:- NTP says it’s synced but time is almost a minute out of sy...

Hello, I have a problem with connecting two ESXI servers.If I connect them by two single links across 4 switches, everything works fine. But if I add those interfaces into port-channel connectivity doesn't work.Do you guys have any idea what could be...

mbujnak01 by Community Member
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  • 10 replies
  • 0 Helpful votes

Hi, Say that 123 is the management vlan of switches in a VTP domain. Should this vlan be configured as native on the interswitch links or not? For security reasons I would think that this vlan should also be tagged between switches. What are the bene...