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...
We have a stack of 4 WS-C3850-48U's running IOS ver. 16.6.5. all running dual power supplies. One of the members registered a power supply failure. It was hot swapped out with a new one however the switch is still showing a power supply failure error...
Can anyone comment on what the specific triggers are for the following bug? The description isn't explicit on what the specific triggers are.https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvp15389 This is a particularly relevant bug for us, and tho...
Against my recommendation, my employer decided to purchase 3 new switches (1-s3048/2-s4048) that were Dell to go along with the new server's we purchased from Dell. I am able to gain connectivity to the network, ping back and forth, and I've even acc...
how does stacking increase switching capacity and forwarding rate?Please explain
Hello, my switch (WS-C3650-48PD )has an existing VLAN 10 which I use for office traffic.Now I am connecting another router to this switch which also sends tagged VLAN 10 traffic. However this VLAN 10 is a totally diffferent network. So I now have a c...
Good morning. Recenlty a switch on my own a C3560X has begun to restart itself. It happens once or twice a week, randomly.Discarding power supply that In my opinion it is ok because no other device suffers the power interruption. Which could be the c...
Hi All, I need an help that Newly installed SG550x-48P (two devices) continue rebooting in stacking. If I will remove the stacking or keep only one device then it will work fine. Please guide. 2nd questions: I confirmed trunk port between SG550X an...
Hello. I have setup MHSRP on two core 3750 and conncted a switch going to both as POC But when i shutdown the link or bring back up the link between 2950-LAB and 3750-13 I completely lose connection to 3750-13 even from 3750-12 for about 30 seconds t...
Hi, I have configured "aaa accounting commands 15 default start-stop group AAA" in Cisco 2960 switch & IOS 15. I have write the configuration, but when I check the switch configuration & the command which I configured in switch is not showing in swit...
Dear all,I have topo like this one:PC1(Vlan187) ---> Core 4506 ---> Sw 3650(Vlan9) ---> PC2(Vlan9).I already configured port trunking between 4506 and 3650. But from PC1 i cannot pingable to 3650 although 4506 can pingable to 3650.Here is some config...
My industry using 2Mbps for send files, database and etc via our system to our HQ at Taiwan from Malaysia but its take too long, so I assigned to check why the sending and receiving too late . Anyone know how to solve this?
Here is a brief configuration snippet: version 15.1...no aaa new-modelenable password 0 ******enable secret 0 ******...line con 0exec-timeout 0 0password ******stopbits 1line aux 0stopbits 1line vty 0 4password ******loginlength 0line vty 5 15passwor...
Hi All,pretty much there with my new infrastructure config... 2 x 350XG's stacked & 1 x 300 POE in the core, 4 x 350X-48's stacked at the edge.I've patched the management vlan (was 1 now something else) through to my PC's second ethernet card and can...
Hi all, a supervisor engine in one of our Catalyst 9410R chassis has failed and needs to be replaced. We have a dual SUP setup so there is still one functioning active sup engine in the chassis. Cisco has sent a replacement part but the new one has a...
what is the best way to IOS upgrade for 3850 switch. My understanding is the copy IOS from tftp/sftp or using scp to Switch flash that is the Master switch IOS then copy master switch flash that is flash-1: to all other member switch flash like flash...
