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, I have a Nexus 6K - 2K fex setup. The FEXs are dual connected to the N6Ks. I have been tasked to SPAN all traffic on this set-up. The number of VLANs are more than 32, so I cant use VLANs as source. Also the total number of connected ports (incl ...
I am currently working on the Openflow configuration on Catalyst 9200 switches. Basically, I am following the link: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/1611/b_1611_programmability_cg/OpenFlow.html to set up the switch...
Hi guys. I've been going through upgrades of number of stacks of 2960s and 3750x using Cisco Network Assistant. I know, I'm lazy. Most worked out OK. But this one main stack did something strange. After uploading .tar to it one of three switches woul...
Hi, face an issue whereby when I connect a cable to the cisco switch port. it causes the whole vlan network downtime. the led blink orange once, then off. down the whole vlan network. either one I am connecting to. I have verified the same cable with...
Hello everyone, I am new to an environment where there are 2 Cisco Nexus 7K being used as cores and have many vPC to other Cisco non-nexus switches. The switches I am having issues with have the configuration pictured below, where each switch in the ...
Hi All, I want my ESXi host NTP sync to a cisco switch (3850) which is at present NTP sync with a Stratum 1 ntp server externally. is it possible to get stratum 1 time from cisco swtich then ? what config change requires on the switch to become a...
I'm troubleshooting a netwerk issue and I already know it due to oversubscription the Asic.My customer has 6 links towards their ESX envirement. All the links are on the same Asic.The line card is :WS-X4648-RJ45-EThe ports in use are gi1/1 to 1/6 (a...
Quick question, I have a Cisco 3560X series 48 port PoE switch which im using to try to power a Axis Q6032E PoE+ PTZ camera that requires 25W of power. Although when I plug the camera into the switch it power as PoE Class 4 but will only assign the p...
I have a Cisco 4510 that had a power failure and the confreg was set to 0x2101 therefore the one sup booted to the first IOS it found. The switch booted up in a IOS that didn't support 6 of the line cards. Long story short I changed the bootvar to re...
Why is it that I can buy a 9500 with 24 100 Gb ports and SVL them and yet the 24 port cards in the 9606 using a SUP1 can only support 12 100Gb ports (2.4Tb) at this time?? COME ON! It has been a year and still these bandwidth restrictions. I am on...
Hi, we are planning to implement Double sided VPC between 5k's. The upstream has 5672UP's and the downstream has 5548UP's. We got storage, EMC DD and other servers requiring 10G connectivity has been connected to 5548's. Instead of moving these conne...
Hi Experts,I have this weird issue on one of our switches Few ports are not working properly. When I plugged a computer on the port I always get "Unidentified Network"These ports are 1,2.46 and 25 as far I've tested.I already tried plugging in a lapt...
9407r in version 16.9.4 with power combine mode.Keep prompt "HKT: %CMRP_PFU-6-PWR_MGMT_OK: R0/0: cmand: Sufficient number of power supplies (3) are installed for power redundancy mode none (excess power 7698 watts)." Do anyone have idea about that an...
I have a pair of Cisco C3850-48T switches which i have stacked together. Switch Ports Model SW Version SW Image Mode------ ----- ----- ---------- ---------- ----* 1 56 WS-C3850-48T 03.06.04.E cat3k_caa-universalk9 INSTALL 2 56 WS-C3850-48T 03.06.04....
I have a 2950 that is at the switch: prompt with no IOS in flash. When I try to copy an IOS image via tftp I get "tftp: access denied." Is there another way that I can copy the image to the flash?
