Switching

hi! I am curious as to whether the requirements requested by the customer will be supported by the Catalyst Switch. The requirement is that when the H.H.H PC is connected to the Catalyst Switch port A, a history of the H.H.H MAC connection to the A p...

Issue on Cisco Nexus 5000 series , now shows the username and password wrong.

A customer is insistent on only ordering a DNA-E bundle ( C9410R-96U-BNDL-E ) of a C9400 and adding a 2nd SUP as a spare, even though I point out that high availability is specific to DNA-A in the datasheet/ordering guide.   https://www.cisco.com/c/e...

The VLANIF of the core switch acts as the gateway for client. The Client is unable to obtain the gateway IP, but by manually adding ARP, it can communicate with the gateway. The core switch has the correct MAC and ARP information for the client, a...

Hello everyone,Over the weekend we lost power to the building. For the most part all our switch stacks came back online. One stack (2960x's) has one switch that remains frozen in the stack. When consoled into the master, it shows that switch 2 is rem...

Good morning all, I have created some large ACL's strictly for the task of triggering hit counts for static routes to tell me if the routes are even used any longer (for future cleanup purposes)I am not getting any hit counts (Cisco 9604R) and have r...

Hello Community,Please I need clarification and more insight into the answer of this question, my choice is classification, but on another platform I belong some think it is marking Which Quality of Service (QoS) mechanism is used to identify traffic...

Hi, the switch when restart show this message all timeSymptom: Cat9300 keeps restarting with the following error messages Oct 18 12:21:59.774: %PMAN-3-PROCHOLDDOWN: R0/0: The process cmand has been helddown (rc 134) Oct 18 12:21:59.876: %PMAN-0-PROCF...

Hello guys, I have some problems with my laptop when using Cisco Packet Tracer. The first time i had worked on it to do my project, it still worked properly. But in the second time, it had some problems like some lags... I brought it to service store...

Hi,We connected 2 no 3750 Switch via Fiber cable, 1 switch is running rstp , another one is running RPVSTIs there any performance problem/Broadcast issue can happenHow to check whether any problem / performace issue  is presently not happeningBr/Subh...

A vulnerablitiy scan of some of our IOS devices report that the devices are running a 'vulnerable ISAKMP service' on port 500. These may be false positives because there is nothing configured on the devices that use ISAKMP. So if I can show that the ...

Hi i have many nexus 9K,3K sesris i want NMS with WEB interface if port up for example green if down redshow traffic live port VLAN ,..... and support can be shut or no shut port by nmsOpensouce is betterany idea???