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...
Hi Freindswe need to refresh our Campus HDW based on 6509 and 3750 to get red of STP to 9K based VxLAN , Kindly recommend n9k for Core and 9K for Access where users | AP | IP Phone Sits , pls note that from access to core the link are Fiber MM Thanks
Hi. I have Nexus 31108TCV. This switch sometimes opens late at first boot or does not open at all. It gets stuck in the boot process.What can I do about this situation?Hardwarecisco Nexus 31108TCV Chassis (Nexus 9000 Series)Intel(R) Core(TM) i3- CPU ...
Hi. Following are the details of the switch cisco Nexus3500 C3548P-10GX Chassis Intel(R) Core(TM) i3- CPU @ 2.50GHz with 16396528 kB of memory. Processor Board ID FOC25244X6C We have created ACL to filter/reject UDP packets IP access list mylist 10 d...
I am using a 2500 series router with an octal-cable as an access server to my router / switch stack, and turning it on today I found a couple of issues, and I am having trouble finding the answer to this niche issue. I have a direct Serial connecti...
Hello everyone,I was working on a project to setup an unused switch I found from the storeroom. It was being used before but now I have just wipe the configurations by "write erase" and I have also removed the vlan.dat. I have also updated the ios in...
I have a C9300 switch running IOS XE 17.6.6. When using PTP in any configuration, if a port loses a link, the PTP state for that port transitions to FAULTY. This seems to be a terminal state. If the port loses a link because it has to be unplugged br...
What command need to use in Cisco switch for tacacs accounting and Authorization?
Dear,MAB on C9300 doesn't start with some medical equipment.With my PC it works fine if i put my mac-address on the ISE.And Dot1x work fine also.D-9300#sh run int gi 1/0/2!interface GigabitEthernet1/0/2switchport access vlan 70switchport mode accesss...
EnvironmentSwitch: Cisco Catalyst 9300OS Version: IOS-XE 17.6.5Network topology: Multi-floor, multi-switch environmentObjectiveGood morning. I wanted to think/test a solution that would render computer traffic useless to stop the spread of malware wh...
I've been trying to determine if the C9600-LC-24C will allow a mix of 40G ports and 100G ports. The Odd ports (top row) and be enabled with [interface hundred1/0/25 > enable]. This disables forty1/0/1 and forty1/0/2. If I only want the one 100G port,...
I have been trying to find some information about configuring security features on the Catalyst 9000 series switches managed by Meraki but have not found much. For instance, can I configure 802.1x using Meraki? dhcp snooping? arp inspection? etc. ...
Hello,Please I do need assistance... I am working on a catalyst 3850 switch, I plugged a cisco 10G sfp+ SR module to an interface and connected it to a firewall.The port light alternates between orange and green color, though the orange color stays a...
After changing to glass fiber switch for home LAN got status light flashing yellow, except the input from FRITZ!Box router.Is root cause on settings of switch? Does this switch have a firmware requiring to be updated?Might in-house wirelines be root ...
Hello,I'm trying to automate the backup of our cisco switches (SX550X). Firmware is 2.5.9.54.Here's my ssh-client config. ip ssh-client key rsa generate ip ssh-client authentication public-key rsa ip ssh-client server authentication ip ssh-client ser...
We have 2 switches that are replacements from cisco that came with IOS XE 17.12.3 and we found out that the line "ip ssh version 2" is missing from the running-config (and startup-config too).But with "show running-config all" the line shown, so this...
