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, we have a core L3 switch connected to 30 access switch L2. One device 10.10.10.10 is connected to the access switch with vlan 10. Now we have ip address and its mac for this device. we can find which access switch the device is connected to. b...
I see high volume of alerts from some user ports (High volume of "BAD LINK DETECTED" and "THE COMMUNICATION LINK IS DOWN") how do I suppress or reduce it ? These are user ports which are only used when ever a user connects his laptop. ThanksSai
I am trying to log local commands on the switch. How can I do this? I tried logging monitor 6logging level auth 6logging authpri 6logging level syslog
Hello everyone,I've been trying to find information regarding how Cat9500s in Stackwise architecture manage multicast traffic, but I couldn't find anything to confirm the behaviour that I see in the lab. I'd be grateful if anybody in the community mi...
I need to configure a description on the IE1000 ports. Tried the graphic configuration but didn’t find how to do it. Is it supported? If yes, would you please send a pointer to the documentation on how to do it?
I need a stack power cable for a cisco 9300. I have a 3750x stack power cable on hand. Will that work with 9300s?
Came across this curious "sh int status" results on a non-stacked Cisco WS-C3850-12XS switch. This is an OT switch and it would be nice to know how to get it so that the gi ports read 1/0/1-24. I was thinking in global configuration mode. Issue the...
We have the Cisco Switch of S/N FCW1932A20H under smart-net care, it has been in a critical state due to A hardware component triggered by Gi1/0/27 Bias Current Sensor and subslot 0/0 transceiver 2 Rx Power Sensor.I would like to get advice from the ...
Dears,could anyone has a command reference for C9300 switch to boot an image from usbflash through rommon mode??thanks
hi,i'm unable to remove these command lines in a C9300 switch.i don't have use for it and takes up unnecessary config space/lines.C9300(config)#no policy-map system-cpp-policyC9300(config)#C9300(config)#no class-map match-any system-cpp-police-ewlc-c...
Hi,correct me please if I am wrong.In theory, if you only want to block DHCP frames offered on untrusted ports, globally enabling the DHCP Snooping mechanism and specifying interfaces that are trusted and untrusted should be enough. In this case, spe...
Hello,I currently have the following problem. I'm in the process of setting up a testenvironment and somehow the switch doesn't load the GUI even though I'veactivated http and https in the config.Do I have to do anything else so that it can load corr...
Hello, I am a networking student and I am working on a project about VLAN.My problem is VLAN 204 cannot ping VLAN 202 and VLAN 206. Any help please?VLAN 202 Multimedia (Port F0/1-10) 192.168.202.0/24VLAN 206 SalesMarketing (F0/11-15) 192.168.206.0/24...
Hello guys,At midnight UTC, our core switches (a stack of 2 x C9300L-24T-4G) experienced a failure of the Auto-LAGG process, causing all the port using it for LACP to go offline. Mar 26 23:59:56.781: %ETC-5-L3DONTBNDL2: Gi1/0/1 suspended: LACP curren...
Hello,I have the problem with a switch that it does not allow me access via theweb interface. It says the following when logging in via the web interface:Wrong credentials. Please login again.But I have created a user via the cli and this also has ad...
