Switching

Any know how many times w/in a time frame a mac address needs to show up on two ports before a mac-flap error is logged?  And is there a way to tune that threshold?We're running some ap's in flex mode, and a few handheld clients are roaming between a...

I have a remote VPN router set up and my client keeps changing the configuration. I pulled the following chunk from the running-config:crypto isakmp policy 10 encr aes 256 authentication pre-share group 2 lifetime 3600crypto isakmp key ###### address...

Dear sir/ma,I need a smartcare service on a cisco1941 router.how can i achieve this and what is smartcare itself?Is smartcare different from smartnet?bradebola

I currently have 2 ISPs and have one configured on the 2911 on a subinterface. Both ISPs are providing me with a static IP. I am not quite sure how to tackle the 2nd ISP on the 2911. Should I just create another subinterface on the 2911? What about N...

Hi I work for a small ISP and ran into loop problem few weeks ago and like to see how different other engineers would tackle the problem that I faced .I am a firewall engineer and does not have much knowledge on switching and routing.Servers in clien...

Dear all,  Is there a specific design guide when using ASA clustering with Nexus vPC? Basically I have two ASA which will be deployed in a clustering manner. The two ASA will then connect to two Nexus 5K in vPC mode. The security team wants to connec...

Hi all,I am working on a design using a pair of Cisco 4507R+E and two WS-X45-Sup7-E per chassis. I want to setup VSS between the two chassis and have supervisor redundancy per chassis. I plan to create a VSL between the two supervisors and also two 1...

We have this case study in school wherein we are required to build a network for a school. We decided that we are going to use the three layer hierarchical model. I need your insights about choosing between a layer 2 and layer 3 configurations/switch...

Before I begin, let me say that I've scoured both the Cisco forums as well as the internet at large (Google is my friend)... I cannot for the life of me figure out what this process is, or why it is consuming half of the CPU on average on two of our ...

            Hi. i have two SUP 720 in cisco 6500 switch running in IOS mode.  ( Recently upgraded from CAT to OS )show redundancy is showing different Image set in Image Version ( 12.2 - 18 Active ) and ( 12.2- 33 Standby )My question is, do i need t...

Hi All,I need your help to clarify and verify as below scenario questions:1.I couldn't ping one the unix based server,but i can able to ping after server ping my laptop IP address.2.Same laptop able ping all the while another unix based server with s...