Switching

Hi, When studying for my CCNP it talks about keeping Vlans local and this is the best design. So for example say my end switches are layer 2 2960's create the vlans here, then these uplink to my distribution switches which are layer 3. Is it saying c...

We have two nexus 7K with F2 modules are used as the core switch N7K have 3 VDC , all the access switches are dual homed to two nexus switch ( VDC). All the SVI for the user access are configured in USER VDC in N7K. We need to make a layer 2 network ...

I have a VSS setup of 6513 chassis. The Access switches are connected to the VSS through MEC. There's a MEC to an External Switch where all my next hops Routers,Firewalls, WAN are conencted. All the SVI's config on VSS. VSS is running safe harbour IO...

Hi,We tried to create 2 x Multilinks between OSR's, but due to some issues only 1 Multilink comes up and the other was failing during  negotiatiation. We need to create 2 multilinks between two sites,Need support that why we are unable to create more...

I'm sure this may have been addressed but I'm having trouble finding documentation for this scenario.    Let's say you do setup OTV for two data centers with the intention to extend a vlan across both.   Let's say we populate this with a /24 subnet s...

Hi, We recently found two entries on our ACE logs constantly complaining about ip/arp collisions(%ACE-4-405001), and on further investigation we saw that these IP's related to the mac addresses no longer existed anywhere in our network. 1            ...

Hello everyone, i'm new with packet tracer, and i'm using it to design a topology which requires the ASA 5520 firewall. But unfortunately i cannot find it in the devices list. Please can someone help me?

I am fairly new to cisco routers so I'm not 100% sure what I am doing wrong.I have setup my router so that it connects to the internet, and I can successfuly ping from the router. I have also setup my vlans, and I can successfully ping the router. Bu...

Dear all,What's the difference between c3750e-universalk9-mz.150-2.SE5 and ipbase?Do both support L3 and IGMP snooping version 2/3? Kindly advise. Thank you.RegardsKevin

Gi/GalsWe have been using USB keys to update the firmware on routers  and to provide backup copies of ios (usbflash:). It seems that the 2900 series routers are a bit more selective about what USB keys they will accept, where the 2800s don't seem to ...