Switching

Hello everybody.Got this log entry, repeated many times:%SW_MATM-4-MACFLAP_NOTIF: Host 2c76.8aae.410e in vlan 1 is flapping between port Gi1/0/11 and port Gi2/0/12It is happening on a stacked switch...What's this and how to solve it? For me, it looks...

I'm currently tasked with an upgrade 5 switches, from 5Ks to 9Ks. On the day of implementation, i'm upgrading two switches on the first day and the remainng three on the second. In terms of connecting the two new switches, will i just have to switch ...

I searched the configuration guide, the command reference and other unofficial documents, but could find an explanations of what the power modes actually do. This for the Cisco 4000 Series ISRs.The configuration guide shows the commands, but not what...

I had a Cisco AS5350 , and it works correctly through the year. but now I could not conncet to it even with console cable .my windows is server 2008 ,COM1,9600, but in hyper terminal I couldnt see anything from cisco,even I have change my console cab...

Hello all,Trying to figure out if the network module port LED lights on a C3850 can go bad.. The mystery is:On our C3850's 2 Te network module (NM) ports 3 & 4, we've each an SFP-10G-SR with a singlemode fiber to one each of our 2 distribution switch...

hi,i have a pair of nexus 5K acting core switch and configured with vPC.it's using the first two ports: eth1/1 and 1/2 as the vPC peer links with each other and configured as trunk over port-channel 1.i would like to apply 'storm control' on port-cha...

I accidentally deleted some of the startup images from the flash on a Cisco Catalyst 3650. I am going through the steps of transferring a new ios image using a serial cable and extraputty, however when I get to the transfer portion, the switch begins...

Hello, Cisco experts.    We are in process of upgrading old cat 6500 to Catalyst 9500 switches.  Most of the configuration have been mapped to 9500 without any issue.    However, we are having problem with mtu commands.  Normally, we had mtu set to 9...

Hello, What is the equivalent command in the NX-OS for "neighbor x.x.x.x. next-hop-self"?  Current configuration on Catalyst switch:router bgp 65000  no synchronization  bgp log-neighbor-changes  neighbor 1.1.1.1 remote-as 6666  neighbor 1.1.1.1 next...

I enabled http server on Cisco 2960x switch it is working fine with the login user as privilege level 15 access. but i want to restrict the user for view only. once i change the privilege level to 0 the user is not able to login to the switch through...

I'm receiving %Error deleting flash:c3750-ipbase-mz.122-50.SE2 (Is a directory).How do I just delete c3750-ipbase-mz.122-50.SE2?Switch#dir flash:Directory of flash:/    2  -rwx        2222   Mar 1 1993 00:04:15 +00:00  config.text    3  -rwx         ...