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...
if I have two WS-C3850-24T-E in stack manner and we are going to add one more ws-c3850-12s-s in stackthen please let me know about below issue--1.customer wants all switches of IPBASE now that is stack of 2*WS-C3850-24T-S & ws-c3850-12s-sis it possib...
We have two Cisco C9500-48Y4C switches with StackWise Virtual setup. They are running with Cisco IOS XE Gibraltar 16.10.1 image.Can I directly upgrade the image to Cisco IOS XE Fuji 16.9.4? Or there any risk to migrate from Gibraltar 16.10.1 directly...
Due to limited budget, I've been challenged to a network design where the distribution switches are C9500-24Q (only pair of them in virtual stack) and the access switches are C9407 about 13-15 of them. The access switches "C9407" have 2 SUP each, and...
Hi, I have a cisco 2911 running ios version Version 15.0(1r)M12. I am wondering if it's possible to map tcp port on the router to the ip address of client. For example, if my router's ip is a.b.c.d and my client's ip address is 192.168.0.100, is it p...
Dear all,I have already verified the following output however actually is it normally impossible to collect with management porton Cat4500-X? ##### Management Port #####Cat4500-X(config)#int fa1Cat4500-X(config-if)#ip flow monitor MONITOR input% Flow...
Hey Guys, Just trying out lab on VXLAN and VPC.I have attached a picture of my lab along with this post. The DC1-PRI and DC1-SEC are a VPC pair of Nexus.The same can be said for DC2-PRI and DC2-SEC.What I am trying to achieve is the ability to have t...
I have a C3750 switch that I was upgrading to a newer firmware...and had a reboot. Now it the syst light just flashes which means a corrupted image. When I open a console terminal to the switch I get the following Loading "flash:c3750-ipservices-mz...
So I have this really old 2950 that's still chugging away in a part of the network that we can't upgrade yet. I got into a discussion about what version of STP is running. The switch reports ieee, which would be pvst; however, it also reports port ro...
Greetings everyone, I have a quick question for all of you and I'm hoping for someone to clear everything up. So from I understand, you can configure two different vty lines 0 - 4 for junior staff with a set password and then 5 - 15 for senior staff ...
Hi, Narbik in OCG says:'' Their destination MAC address is set to the multicastaddress 0100.0CCC.CCCD (ordinary STP BPDUs are destined to 0180.C200.0000),they are tagged with the corresponding VLAN (ordinary STP BPDUs are untagged), andby using SNAP ...
ello,I'm investigating an issue with a packet loss on catalyst 9200 Stack. I tried a embeeded packet capture, but have some troubles with it. I took a labor switch and tried different capture parameters on it. The secanrio is:Firewall(or another netw...
Greetings community, I've been working on a project that installs switches/stacks at various sites. I am trying to simplify things to where I can take an out of box switch and take it out to a site and plug it in and it gets all the information it ne...
Hello I have a switch 2960-X 48 Ports with a error with PoE Connections %FRNTEND_CTRLR-2-SUB_INACTIVE: The front end controller 2 is inactive I found that this could be a bug so I upgrade the IOS to the one of the lastest IOS available but I still h...
Hello Everyone, I have a situation where I'm going to be installing two small switches to support two public 100Mbps internet links. Each switch will uplink to the ISP via a fiber connection and only three other ports will be used. (Each switch wil...
I just created one ACL as below for blocking ICMP except host 10.10.1.1. But that host still can't ping this interface or other hosts behind after I applied the ACL to the interface. Don't know why? I know this is a silly question:(access-list 110 de...
