We have 8x Cisco 9300-48P switches stacked and we are seeing the following error from the Application-Hosting Ports %SW_MATM-4-MACFLAP_NOTIF: Host 3412.7856.0100 in vlan 1 is flapping between port Ap7/0/1 and port Ap2/0/1 The MAC address does not app...
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I need to do to swap out my N2K-C2248TP with N2K-C2248TP-E. All my searching has turned up nothing regarding a procedure to achieve this. Are these similar enough models that I can just swap them out without having to re-provision the different mode...
got an odd one I haven't encountered before. I have one VLAN with devices on it that can't communicate to 1 of my other vlans. I have a layer 3 switch with several interface VLANs following the scheme 10.x.a.x, 10.x.b.x, 10.x c.x etc. I had full c...
Hello Cisco Community, I get the following error when I do show license status. Is this normal? perhaps a bug or defective unit? Thanks for your help in advance! Device Credential Verification: FAIL Router# sh license statusLicense Type Supported...
Resolved! VPC vs stacking Layer 3 fowarding
Hello,As far as I know, stacking has a shared control plane (master has the control plane) and vPC has separate control planes. But what happens when you have a intervlan routing in your stack or vPC? Are all layer 3 packets routed by the master in a...
HI and thanks in advance.EnvironmentA NEW sector with 80 positions (recently created, certified, ALL new, except the cisco 2960X) Cisco stack4 sw stack WS-C2960X-48LPD-L, version - 15.2(2)E3,image - C2960X-UNIVERSALK9- Mconfigured ports like this int...
Resolved! Cisco Packet Tracer Switch Pratice
Hello, I am praticing basic command by Packet Tracer and have problem with adding port name/ description on the switch. Q: I want to label the port name of f0/1 as "Trunk". I have already added the description command. But, the Name column on "sh int...
Hi All - Trying to setup a monitor session on my C9500 running switch stack virtual , trying to use vlans as the source but can only add 5 before I get the "unrecognised command" error message.Running Gibraltar 16.12.0 Core_Switch(config)#monitor se...
Hi everybody, I recently discovered the nice Web UI which is built in the last os (Release Fuji-16.9.6 MD). I have just a dumb question : how can I configure an interface range in the WebUI (like the CLI command "int range")? I didn't see any way to ...
Hi dudestoday i've met something really wierd on C6.5K (WS-C6506-E + WS-SUP720-3B + WS-X6708-10GE + 12.2(33)SXI3).in substance:#sho spanning-tree interface po4Mst Instance Role Sts Cost Prio.Nbr Type------------------- ---- --- --------- -------- ---...
Not seeing where to config LAG, EtherChannel, etc is this CLI only? Thanks
Resolved! Can't ping devices in a subnet
Hi, I'm a student, and I have a small project for my exam where I need to make an infrastructure with only four clients. I found a way to make a load balancer between two web servers (subnet 3). But before the load balancer, I noticed that I'm unab...
Hi there, I have a nexus switch 7700 (version 7.3) that has problem to remote user login via radius server. The error message is Your account has expired; please contact your system administrator. I realized that it usually happened after...
I have 3750 switch . can someone please tell me what is the VMATM Callback and how i can reduce the CPU usage its taking. and i noticed this happened after i created a RSPAN of my upper link to the WAN ( All my internet traffic 50 Mpbs - 90 Mpbs ) i...
