Switching

is it misconfiguration in Access Point's access switch or hacker attack from this switch? many MATM-4-MACFLAP_NOTIF Host 0015.5dc1XXX VLAN 1 is flapping between port 1 and port 2many MATM-4-MACFLAP_NOTIF Host 0015.5dc2XXX VLAN 1 is flapping between p...

At Cisco Live! 2013 Orlando a mention was made which I understood to mean that by turning off the stacking ports of a Catalyst 3850 the switch would not wait for stack discovery but proceed with the boot sequence (by virtue of knowing the topology i....

Dear , I had a small flashing on my computer Catalyst 4500 L3. In reviewing the log , I throw the following: PIM -5 - NBRCHG : 10.11.6.3 neighbor on interface Vlan2106 non DOWN DR. Any idea what is this log ?

Folks,I had some very basic questions on the way hashing takes place on Cisco switches connected to each other over a port channel.Considering that 2 links are used between the switch, namely port Gi 0/1 and Gi 0/2.1) By default I understand that thi...

I'm having a "Falling Down" moment with EPC.  Here's my config and CLI output (see below).  As you can see, traffic is ingress on Fa0/45 ('show interface' counters are incrementing).  I'm allegedly capturing packets ingress on Fa0/45.  However, the p...

Hi Guys, Can someone tell me what the commands speed nonegotiate do in the TenG interface of the 4500x-32? If I enable this and I connect a host or device with settings of 1000/full duplex (manually configured), will I not run into issues with mismat...

HelloIm new to Cisco but i have a client with a switch that was setup a while back. This switch has configuration for a vlan which is being used to supply a cisco access point. This client also has a remote location. The remote location is connected ...

This is not the best solution to lack of funding but we are having to use Linksys 8 port gig switch in one of our offices that has multiple devices.  The main linksys switch is attached to a Cisco 2950 switch in a IDF  then to our core switch in the ...

Having 3750,3560 switch , which configured as L2 and connected thru L3 Switch.Vlan Configured , now want to block specific URLPlease guide.

Hi, Can anyone let me know the actual throughput of Cisco 3750-E (WS-C3750E-24TD-S) Standalone switch and the throughput when stacked with 4 nos of WS-C3750E-24TD-S ? Is WS-C3750E-24TD-S ports oversubscribed? Sam.

Hi everyone,I'm struggling with the high CPU utilization of my Catalyst 3750 Stacked Switch. Here is the result from some commands:  CoreSW#show processes cpu sorted CPU utilization for five seconds: 65%/4%; one minute: 48%; five minutes: 41% PID Run...

All -I have a Layer 2 stack of Cisco 3850 switches with the latest sw image. The switches have a large amount of printers connected to it since it is a County Publishing facility. When I look at the some of the switch ports where users are complainin...