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...
Hello,i am trying to conncet SFP-1G-SX on C9500-24Y4C-A but ports are going to error-disable each time i try. i connected on different switch also but same issue. i am getting below error. Switch Log: Transcceiver-3-Not_Supported: C1/0: imod: detec...
The HP SAN I'm attempting to connect to this port showing vlan 1 instead of vlan 3, and when I click on that mac address it says that it cannot find the client. Any ideas? vlan 3 is definitely in the 1-512 range that I'm piping through the trunks... ...
Hi all, Im trying to transfer a IOS image to upgrade a 3850 switch, as soon as I put the USB drive to the front of the switch, I go to the CLI and run the command: show usb-devices summary (it is the only command available) and it shows and display...
Hi, Here I have attached a snap for your reference.A and B are C9500X switches and C and D are C9300X switches. C and D are a switch stack. I need to know in case of stack broken between C and D what happen to STP ?This is a SDA environment and A an...
Hi Community,I have a Nexus 9000 model C93180YC-FX Chassis, access-list is configured, but when the "show ip access-list" command is executed, no content is observed, even though there is traffic generated on the access-list.But when applied to anoth...
Does cisco C9300-24T-E support MODBUS TCP/IP communication or is C9300-24T-A needed?
We are currently facing a strange issue with some vlans. We have two N5K-C56128P in vPC mode using FabricPath. We have activated HSRP in some Vlans but it looks like the HSRP is not working for all Vlan as you will see in the configuration bellow:Vla...
Hi, Will appreciate your opinion here please, the customer has the network topology as follows: - In site 1:- 2x 9400 switches working in VSS mode.- The FW which is the GW of the hosts in site 1 is connected to the 9400 switch. - Site 2 has the exact...
Trying to isolate some guest VLANs in an environment with an L3 switch via switch ACLsOpting to block traffic to and from the RFC1918 blocks instead of having 30+ rules (we have 10+ vlans per site) but wondering if I need an Allow rule at the top so ...
I am reaching out regarding a discrepancy I've observed between two API endpoints: 1. getNetworkClientsApplicationUsage: https://developer.cisco.com/meraki/api-v1/get-network-clients-application-usage/2. getNetworkClientsBandwidthUsageHistory: https:...
The device tracking database and IP verify source isn’t working, everything says its configured correctly but.You can apply the policy but there is not output from it.
Hi guys,We updated the Catalyst 9300 switches on our campus from version 17.09.08 to version 17.15.05 last Friday, and since then we’ve been seeing some really strange behavior.One of the EtherChannels on our core switches keeps going into err-disabl...
The switch is generating Embryonic drops. I think the issue is with how they have AAA configured. I think what's happening is that it's trying to authenticate local before attempting TACACS. I appended the AAA device configuration below could someone...
I believe I am running into this bug.Switch is a 3850After update from 16.3.9 to 16.12.15We have issues with clients unable to get DHCP addressess. A debug of UDP packets on the switch show the relay "claiming" to send the relay packets.Wireshark ca...
I need pictures of the Cisco Business Switches (110, 250, 350 CBS). Is there someone that can help me find the owner(s) of the below images so I can request them? Cisco Business Switches 110 Series: https://www.cisco.com/c/en/us/products/switches/b...
