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...
Scenerio:As part of a tech refresh project at a large campus and due to several issues caused by (l)users plugging in home routers to the network and causing DHCP issues I am looking to enable DHCP snooping. During the tech refresh the access switche...
Hello there, I am trying to uplink two switches to extend a network. I have put in a cisco 3850 Switch and when I plug in a SG350TP switch the port lights up for a couple of seconds then the port becomes unavailable. I can't even plug a laptop into...
I have two switches, that are connected via a port channel, two 1Gb ports, in trunk mode.I have them set to only allow VLAN 66 traffic over the port channel. This is set in the port channel.on each side, I have a switch attached, and then a firewall...
Hello Cisco Community!Need to verify:Two firewalls, one active and one passive, are connected to two physical ports on the core switch.Both ports are access ports and are assigned to VLAN 4.The inquiry is:One port (Te2/2/1) passing no traffic at all,...
Just upgraded several of our C9200L-48T-4Xs to 17.9.4 after finding a bug in the 17.9.3 code. While the upgrade was successful, a couple are showing significantly different free space after the upgrade(less than 1gb). gar-2-118-3r15-sw#dirDirectory o...
Can a VRF be a span source in Nexus9000 C93180YC-FX?
Hello, I'm working with interface templates to better organize configurations and simplify updates. I've noticed some port level commands won't be accepted by the template config mode. Any idea why? For example: switchport protected c3850#conf tEnt...
Hello all,i'm new with containers and i've installed a container on a C9300L to monitor my connectivity.My question is: Is it possibile to copy one file from a container folder to the usbflash installed in the switch?I would like to create a copy of ...
Hello, I have read somewhere that the command "vpc peer-switch" only starts "working" when the Nexus pair is the root of the vpc VLAN.Is this correct ? If the Nexus pair is not the root for some VLANs, what happens if i configure this command ? Will ...
after updating J179 avaya phones we have massive problems with autonegotiating:phones and switchports are 1000Mbps capable but but because of lack of cable infrastructure in some cases we use cable-sharing and so we only can use 2-pair ethernet.First...
Hello,We plan to setup c8000v (not as SD-WAN) in AWS (PAYG), but can't find information about ec2 type and throughput relations.I just found in documentation (https://www.cisco.com/c/en/us/products/collateral/routers/catalyst-8000v-edge-software/data...
Hello team,I am seeking some help/guidance to understand what access layer switch model could be the successor to 2960 series which we have in place right now. We are an industrial manufacturing environment so, cisco models that are rugged and suited...
Hello, I need some help.One of our 9200L has been reset with a factory-reset all command. It will now only boot into rommon.I have tried various ways to restore the ISO. I have downloaded the latest cat9k….bin file from the website and copied it to a...
Recently deployed 'auto qos trust dscp' on our LAN. On one of our access point facing 9200s I am seeing a fair amount of drops on pretty much every interface connected to a Meraki AP. Drops I wasn't seeing before we implemented QOS. I know QOS is...
The power in the back is lit with green lights. I was able to configure this switch, and it is talking to another switch fine. I have a workstation plugged into one of the ports and the workstation is connected and pingable. Everything works fine bu...
