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 replaced the new SUP720 card in chassis c6509 but it was going to rommon mode again and again after selecting the right image . Kindly find the below error messages . *** System received a Software forced crash ***signal= 0x17, code= 0x24,...
Hello Team, I want to know difference between different IOS realses for Cisco 3850. Like we have Cisco 16.x.x(with Gibraltar/Fuji/Everest/Denali) or even Cisco IOS 3.3.x. Secondly how can I decide IOS upgrade path with the following info:-********...
So I have made a few posts about our VSS issues , however after a rommon and OS upgrade the base issue still persists.We are now running on the "gold" release 3.08.08.E.152-4.E8.After a power down it takes around 9-10 minutes to reach SSOOnce SSO is ...
Does Cisco 2960-x support iscsi? if it support, does it require other module or can use RJ45? Is there any additional configuration more then access port?
Hi Team, I have two 3850 switches that I want to do stack can someone please help on the process and command to select the master switch thank you. or how to select the priority. thank you
I have a strange problem. I'm trying to upgrade the IOS on a C3750 & C3850 switches using Solarwinds TFTP server. I can initiate the IOS to from the TFTP to the switch. From the console: It seems to run (displays !!!!!!!!!!!!!!!!!!...) then I get...
Hi All,our backup server is connect with cisco 3750. that port is configued as Trunk VLAN100. for other sw to sw links we are using VLAN1 trunk. my question is trunk allows all vlan traffic to pass then why they have put vlan100 instead of vlan1 the...
I have server with 10GE connection to N2K switch. instead of configure as access port , can I configure as trunk port (dot1q) to carry multiple vlan over to server ? Most document stated N2k is pure host port , trunk port is not supportBut I got cust...
Topology is a provider network with some managed switches where voice and data are separate; only 2 vlans total 1 for voice and 1 for data. Would like to connect an unmanaged switch to this environment to an access port on the managed switch with bot...
Hello, I have about 5 3750's that are crashing every 6hrs on the dot. Not sure if this is attributed to a configuration issue or a bug. The switches have been running for over a year with not issues. Crash dump below. Any help would be much appreci...
Hi, Can someone please explain what this means?"Etherchannel in StackWise Virtual is capable of implementing Multi-chassis EtherChannel (MEC) across thestack members. When access layer and aggregation layer are collapsed into a single StackWise Virtu...
My customer's switch has automatically reload. Here is some part of show version.Crash file also attachedThanks.
Hello. I need help if the EEM doesn't work because of a switch platform or EEM configuration.I configured EEM on the switch as follows:Swtich # show run!process cpu threshold type total rising 90 interval 5 switch 1!event manager applet CPU_Monitorev...
've deployed 4- 9300's in two stacks. All 4 switches areC9300-48P Ver 16.9.2Stack 1: SW2- SW3 (no issues)Stack 2: SW4- SW5 (VoIP POE issues)The second stack of two has number of Cisco VoIP phones that will not negotiate for power (about 10). when I ...
We are facing a bit of an issue. What have several servers, and what we want is to prevent one from stealing the IP of another server, but without learning the MAC address of the machine, in case if there are virtual machines running on the server.I ...
