Switching

Dears, I'm having issue on MAC filtering on cisco 2960 SW. Macbook laptop is not working in MAC filtering. My setup is Wireless AP is connected to trunk port and AP is broadcasting 3 SSID(different vlans). I apply MAC filtering on trunk port but th...

Hi! I have a branch new Cisco ASR 1002-X but in the first time power on, it showed an error as below and then stopped booting so how can I do now? thanks! Located Software/asr1002x-universalk9.03.16.02.S.155-3.S2-ext.SPA.bin, start cluster is 220524...

Hi  I am facing the following massages at my device. May 10 02:00:39.793: %SW_MATM-4-MACFLAP_NOTIF: Host 0090.e846.98ee in vlan 105 is flapping between port Gi0/23 and port Gi0/4 As per my understanding there is some issue in VLAN 105 not at physica...

Dear Xperts, Can we connect CISCO2821-SEC/K9 to ASA Firewall using ADA-SSC-GM smart serial cable ? please suggest Regards, Murugan.

Not sure if this is the correct community to be posting this, but here goes. I need to see if I can disable the following UDP ports on my Cisco 3850 switches. UDP ports: 5246, 5247, 6352, 12124,12125,12134,12135,12222,12223,16666,16667,16668 From ...

Because a BGP route route in r> (rib failure) status is not redistributed into another routing process (i.e. OSPF), how long does it take for that route, once it is moved from r> (rib failure) to *> active, before it is dynamically  placed into the O...

I was reading campus design guide and comparing the interconnect of switches and came with this question: When we have two or three tier design for campas lan where we have Access, Distribution and and core layers. How to interconnect the layers with...

Hi all, I have my Nexus 7000 and I will create 3 vdc (core, aggregation, otv) I would like to know if there’s any best practices to interconnect this vdc contexts. thanks. 452

I have a 3850 stack with 2 members.  The master died and switch 2 took over.  As you can see below, it's waiting on switch 1.  I have it ready to configure, but I need some advice on how to proceed.  I'd like the current configuration to remain, will...

Hi everyone, In the attached digram R4 in AS 30 seems to have two paths to 75.1.0.1/16 and 75.2.0.1/16 (on R7), one is through R6 and the other one is through R2 -> R1 -> R3 -> R5. But the following on R4 only shows there is one path? I am expecting ...

Hi Guys! A customer needs to put Switches with DC Power Suplies in their energy sub stations. I was thinking about maybe a Catalyst 2960 and a XPS-2000 or Cisco Industrial Ethernet Series Switches. What do you think or recommend for this stage? The c...