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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
  • 5640 Views
  • 29 replies
  • 1 Helpful votes

I have a Cisco IE 4010 running MST connected to cisco IE 9320 running PVST connected via a single port. IE 9320 has a priority 24576 and IE 4010 has a priority 32768. Since they are running different mode of STP, that trunk port is getting blocked on...

grapevine by Level 5
  • 157 Views
  • 5 replies
  • 0 Helpful votes

Can local VLANs be added to a switch that is running VTP (260X is the model)?  We have a Core that is setup as the VTP server and a 2960X switch that is setup as a VTP client.  Can I take the 2960 out of client mode, make it a VTP server, add a local...

I’m running into an issue with C9300L switches going “soft down” on CS 17.2.3. Based on recommendations from both the community and Meraki support, I’m attempting to upgrade to IOS-XE 17.15.5.For context, these switches are in networks that are bound...

Would need your kind advice here for recommended firmware upgrade version and upgrade path for the following switchesCiscoC6807-XL (M8572) — Current Version: 15.2(1)SY1aCisco WS-C3850-48P — Current Version: 03.07.04ECisco WS-C3560CG-8PC-S — Current V...

Hello Cisco Community,I am experiencing a repeating issue with a stack of two Cisco Catalyst C1300-24XTS switches, used in a production network. Approximately once a month, stack of  switches suddenly becomes unresponsive and freezes completely. The ...

tomas22 by Community Member
  • 4758 Views
  • 32 replies
  • 0 Helpful votes

Hello,We have currently 2 WLC 5520 connected on a Catalyst 3850 stack, via port-channels, and mode on (no lacp).We will replace our Catalyst 3850 stack with 2x Nexus C9K-C93360YC-FX2, I've configured a port-channel with mode on, and a vpc for the red...

Clem58 by Level 6
  • 208 Views
  • 5 replies
  • 0 Helpful votes

Hello everybody,I know that native Vlan is configured on Trunk links and switch does not add Vlan ID to a frame going to or coming from a native Vlan. I also know it is used for compatibility with devices which do not support Vlan tagging. My questio...

Hello everyone i see logs on the switch.%SYS-2-MALLOCFAIL: Memory allocation of 395648 bytes failed from 0x1AE504, alignment%Error on initialize VLAN database 1: VTP feature not yet initialized[OK]googled this issue, found memory is low, how to solv ...

Mlex1 by Spotlight
  • 529 Views
  • 9 replies
  • 0 Helpful votes