Switching

Buenas tardes compañeros,Esque tengo un inconeveniente al momento de levantar un LAG-LACP entre un switch cisco 2960 y switch dell  force 10 s25n:Al momento que levanto el lacp entre los dos, el switch cisco me comienza a enviar estos logs:*Mar 19 09...

On my 3850 (running 3.3.1) i have 1600+ entries in the arp table for a given vlan but I'm not acting as the gateway for the devices connecting to it (i'm trunked to the core which is acting as the gateway but I do have ip routing enabled on my 3850)....

To keep machines isolated for testing, I have a few vlans defined that have no IP address on them to prevent anything from getting in/out. The machines in these vlans do not have a gateway set (I do have ip routing and ip multicast-routing enabled on...

Hi,So I'm facing a weird problem within my network environment. So quick backgroud on environment, our core switch is Cisco 6509-E (running VRF) with ACE module which works as a loadbalancer.The thing is that not all servers are behind loadbalancers,...

Hi all! Pretty new to Cisco stuff, and just wanted to do some testing to see what i can do. I would ideally like to setup a network where i have the normal internal network devices and public wifi access, and i though i may be able to setup such a sc...

Hello,When I create a interface port channel the configs for that port channel will those configs overide the ports configs that are in that port channel or will just add to those ports configs?

Hi We have Two Core switches 6500 non enhanced and 6509-E where 6500(Non enhanced) switch is running as Primary HSRP and 6509E is secondary.We are planning to replace the 6500 non enhanced with 6509-E switch and the management are looking for the bas...

Hi,I have a problem in network, it turns out that some kind of ARP loop happends. Below there is a draft how does it look on network.In wireshark I was able to see a flood of ARP request's and responses which causing some machines loose network conne...

Hey, hope that some of you have more guys have more experience than I do with this. I was checking the memory status and I got the following output from my 6500WAN-EDGE-1#sh memory                 Head    Total(b)     Used(b)     Free(b)   Lowest(b) ...

Hello everyone!Im trying to configure a simple example of OSPF between three routers (R1, R2, R3), which are interconnected via serial ports, using DCE cables.Each router is connected to a switch via an Ethernet port.Each switch has PCs attached to i...