Switching

This error occurs 8000 times about every two hours. We know it's an IP phone that gets stuck in discovery mode so we simply reboot the phone or remove the phone. Also, according to Cisco online, these errors waste cpu cycles. Our 4500 series has rebo...

Does anyone know if there is an excel template that has basic router or switch configuration commands where all you do is type in the value or option then it exports into text or csv? I'm not interested in gui interfaces. see attached..It probably do...

Is it possible to use load balancing per packet inside link aggregation ?

When is Poison Reverse used?By default I thought in Cisco routers the implemented split horizon is with poison reverse.So I expected to see that after R2 receives from R1 a route with a certain metric M1, the R2 would advertise back to R1 the same ro...

Attempting to build a 6509 with Supervisor 2s in module 1 & 2 - OS isCatOS 8.5.2.When powered on with both sups in place, the system keeps repeating "Failed in stat 0" and will not start. We moved the modules to a 6506 and it booted properly.The 650...

Hello:I'm currently running "auto qos voip cisco-phone" on access ports to trust markings from Cisco phones. I also want do some marking on the data Vlan for those ports, and was wondering if I can do VLAN-based QoS for the data traffic, while runnin...

I've been migrating our management VLAN off of VLAN 1 and have run into some problems with STP. When migrating both switch interfaces (near switch, far switch), I have to time the pastes perfectly for the native vlan command or I run into an issue w...

Hello,I need a L2 switch, all I have are gigabit 3750's, can I create a VLAN on one of these but set it to a L2 mode and not L3?

can someone please tell me the config commands to set up ether channeling between 2 multimode fiber connection on a cisco switch. when i initial configured and plugged in my fiber there was traffic then it stopped and the ports shut down. no link lig...

I would like a link to an article describing an initial basic router configuration.

I am trying to enable the snooping database agent with the following command on a cisco 2960.ip dhcp snooping database tftp://192.168.100.109/c/sw1.txt.On the tftp server with the above address, I created the sw1.txt file in the root of the c: direct...

I have a layer 3 switch with two routers connected to it. When I trace from one WAN site to another through this switch I hit vlan 31 and just stop. I can get on the switch and trace to the 10.175.0.0/24 network but from our other WAN connection I ca...

Hello everyone,I am trying to upgrade the IOS of 3750 Switch stack. I can upgrade the master, but the upgrade doesn't replicate to the other switches on the stack, and the switches start sending mismatch messages.Any idea on how I can accomplished th...