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 have tried two Catalyst 3560 PoE switches on a specific jack. The first switch repeatedly dropped PoE cameras requiring a complete reload to bring back up. I tried a newer model 3560, and the same phenomena occurred. Our electricians just dis...
Hello everyone,One of the useful commands I'm finding is "show interfaces summary" because it shows all of the ports that have sent/received packets since the last reboot, even if the the port is currently disconnected. This is useful information for...
Dear community, I have several type of switches on the network, with different licenses: - C3850 with LAN Base, IP Base or IP services - C9300 with Essential or Advantage licences I would like to find an official documentation with dACL (with ISE) su...
HIThe interfaces does not seem to auto-negotiate to 1G although i have 1g sfp installed.
Hello,I will have to migrate a VSS of C6500 to a Stackwise virtual of C9500 high performance.The 6500 has a lot of access-lists.I have a 'show tcam counts'. of the 6500.I know the TCAM in catalyst 9500 is very much optimized and I would like to know ...
I just posted saying i couldn't get my switch online for management, the first suggestion was to enter a route of 0.0.0.0 0.0.0.0 10.10.10.254 which is the default gateway on vlan10 where the switch IP resides. which worked to gain me access to ...
We would like to purchase a cisco switch which need to be under TAA compliance. Please provide the TAA compliant statement (document), if the below mentionedCisco IB-C9300-48T-A and IB-C9300-24T-A is under Trade Agreements Act (TAA) compliance.
hi folks, I have a new cisc0 c9200l-48p-4g switch I've configured, i cannot ping it and i cannot SSH to it to manage remotely.I've set it up with a base config that mirrors the 2960 that it replaced,it resides on a 10.10.10.x subnet which is vlan10...
Hi to All,I need to calculate the current memory usage about the ip routing table, we use static routes and OSPF.And also the current memory usage about the Mac address table.Follows the Catalyst 4500E sh Module:Chassis Type : WS-C4510R+EPower consum...
Hello, everyone. I am covering Root Guard for STP and I feel like I've hit a roadblock. I understand how this feature works and what it does, I am just not sure where exactly should it be implemented. When it comes to Root Guard, it's all a matter of...
Hello, everyone. I am studying about STP and my current topic is Portfast. There's one question I have regarding it. Why do Portfast-enabled ports transmit BPDUs out of them? Isn't the idea here that such a port will only connect to end hosts or to d...
We are getting logs from nexus switches, "feature RPVST vPorts is over the critical threshold" What can be the cause of this error?Thanks.
We have noticed somewhat of a discrepancy between the datasheet maximum temperature values for the 9200cx switches and what shows up in the CLI. So, we are trying to find something more definitive on the maximum temperature and at what temperature t...
I have this Cisco Cat4507R, with two Sup V - WS-X4516-10GE My question is if I can use the CVR-x2-sfp v02 that my client has purchased to be able to connect some 10GB SR SFPs. I would like to know if there is a command that I should apply for this si...
Hi folks. I'm trying to upgrade my C9500 that is in VSS to IOS image Cat9k_iosxe.17.03.04.SPA.bin in install mode. when i issue the command "install add file flash:Cat9k_iosxe.17.03.04.SPA.bin activate ISSU commit. It fails to perform the upgrade. I ...
