Switching

howdy...got this crazy issue with vtp last week...so we have a few stacked 3750 switches with vtp transparent configured...some idiot plugged in a fiber from another network into our stacked switches...that network/switch has vtp server configured......

Hi All,I have client who has two distant offices with 3750 L3 as core (do all vlan routing for local office) and multiple L2 access switches with multiple VLAN’s connected to it. First 3750 is hub also connected to internet, second 3750 is spoke and ...

Yo,So, I am going through the process of laying out management IP address's for a Datacenter and was wondering if I could get some or your opinions... After reading on the topic, I have seen 2 different schools of thought... A management VLAN that is...

Hello Everyone,I currently have 3 core switches on my campus.  They are 6509 catalyst switches.  They currently are not interconnected to each other.I want to interconnect them to each other.  The IP addresses of each core sit on a interface Loopback...

Today we interconnected new datacenter-switches via SVIs and OSPF as routing protocol. After finishing the configuration we made some failover/redundancy tests and were surprised by the fact that convergence took more than 40 seconds. The reason is t...

Hi,Do we have to configured the following commands on the physical interfaces of a port-channel or on the port-channel will be enough:ip flow ingressip route-cache flowthanksAndreas

I have a cisco 877-k9 router whit 12.<15>T5 system, dram 128MB and 24MB. I want upgrade this correctly. Where is ios correttly supported?

I'm also going to pose this question with VMware but am curious if  anyone has tried to configure a Fabric Extender host port as a Trunk in  order to connect an ESX 4.1 host to it.  I understand that you cannot  attach another switch that is reliant ...

Dear all ,We have a new internet connection from DSL cisco router 800 Series (877).You has been delivered it to us with Cisco Router 800 series (Ver 870), when we connect it to the PC directly it’ll work fine with the static IP.But when we try to con...

Greetings All,I hope anyone that anyone that is taking the time to read this can help me with my plight.We are getting poor perfromace out of our 10Gig infrastructure and I am not certain where the problem lies or where even to look. The network admi...

Hi,Another quick one...In the event of routing multiple areas together (Both WAN and LAN), how would people recommend I address the /30 ranges for router to router links?Keep them within a range of the IP range in use for clients/servers etc... or br...