Switching

From all the studying I have done I have interpreted that when an interface in a cisco router is configured for one mode or the other, that is the way it will handle multicast traffic. As I read and try to fully grasp multicasting I usually run into ...

I understand that we need to setup 1 vtp server and client to exchange trunking messages, to advertise and to updates. But when I have 4 switches connected in square formation, which 1 should I choose to become Server? Another senario, if I have dist...

Group of network ports on module WS-X4248-RJ45V in switch 4507 lost POE capability suddenly.Ports on the same module fa6/1-36 are getting power but not 6/37-48. It is running with IOS cat4000-i5s-mz.122-25.EWA12.bin.attached log for reference.Please ...

All, I'm experiencing some oddities with STP on my network. I run the sh spanning-tree detail | inc from|exec|changes on my STP Root Bridge and I'm seeing A LOT of topology changes on a couple of my VLAN's. Here is an example...  VLAN0160 is executin...

Hi,I've got multiple servers on the same subnet who can't ping a test website with a private IP address, with the exception of a single server that CAN. They are all configured with the same default gateway, and the tracerts on the servers show that ...

Hi,Does any one have idea if any Cisco Switch model have (or will have) AVB Feature (Audio Video Bridging) support available ? What switching product have you used for AVB deployments? There should be something from Cisco available now or in near fut...

Hello,I am doing a round of IOS updates on a small LAN with a mix of 2960, 2960S, and 2960X switches.  I have been using the built-in Device Manager, selecting the Software Upgrade option on the toolbar.  So far the 'S' and 'X' series switches have u...

We have 2000 locations that all have same 5 VLAN subnets. We had to implement unique NAT subnets for each location and we have static Nat and overload applied.We nat this unique subnet to the Vlans using the following statements. This is so we can mo...

hi I have switch 2960-x i erased his flash and i want to load ios from usbflash but i donot able to execute this so please help

Hi allI'm working towards a CCNA certification and have been sitting a playing around wiht a single Catalyst 3560 24 port switch, with (C3560-IPSERVICESK9-M), Version 15.0(2)SE2, RELEASE SOFTWARE (fc1), software on it.I wanted to try and create a net...

we have connected our two branches using  Ipsec tunnel?connection speed is 2Mbps.and we are accessing a server from the 2Mbps enabled plant.After upgrading to 5Mbps also very slow.other end of the tunnel is 5Mbps.is  there any default speed for tunne...

Hi I am looking to purchase  a couple of switches to get the idea of using the CLI and trunking etc.What would be a good one to buy?I was looking at the CISCO CATALYST WS-C2950G-48-EISomething that I can also configure VLANs on, and that has a GUI op...

Hi,My client is using Cisco ISG. Setup is as described below. 1. Client makes a request through browser for xyz.com.2. Through routing, the request reaches to ISG.3. ISG is configured to redirect port 80 and 443 requests to squid proxy server(running...