Switching

I have a 4506-E with the following supervisor module:WS-X45-SUP6-EIt currently has 2 TwinGig converter modules installed. I want to upgrade the 2 1Gb connections to 2 10Gb connections. First I took out the converter modules and installed 2 X2-10Gb-SR...

Our network suffered a significant event today and have been wondering about root cause.  Shouldn't the layer 3 side just drop bpdu packets and not forward any.

i am trying to configure my HP 420 access point. I have configure different  SSID on it, This access point is connected to cisco 4500 switch, i have configure trunk on up link to  access point.my problem is the client are not able to get an IP addres...

I have two switches connected via a metro fiber handoff so the effective bandwidth is 2Mb rather than the 100 Mb that is negotiated to vendor switch I want to protect voice and video at  all cost at the expense of all else.would it be better to shape...

I have use case for mobile IP, but am unsure it is the right solution.  the problem is setting up a wireless network with roaming IP phone users.  There are two options; one is to span a vlan to be used by phones or use mobile IP to allow roaming bet...

im looking for a cisco switch that has 24 POE ports, i was wondering if anyone could point me in the right direction a 2960 is to high spec for what we need but an SG200 type model will suffice, i have looked online for ages but none of the products ...

Hi,We are experiencing two of our layer 3 switches (3560 PoE and 3750 PoE) switches giving us problems with giving power to IP phones. These switches have an embedded PoE module and would previously give power to all IP phones on all its ports. Now a...

I am setting up a link between buildings that uses wireless links. I'm using Layer 3 routed ports on 2 3560 switches to handle the routing between sites. Normally I would just put these in a /30 and then the switches handle the rest.However, the wire...

Our configuration consists of a server and many devices that communicate with the server.  The server can push files to the devices and collect data from the devices.  The server issues a UDP discovery request in order to find all of the devices conn...

Hello,I  have a 3750-48P when plugged in has fans that spin up, but no lights on the front of the chassis.  Does this mean the power supply is bad?  If its bad, why do the fans power up?Also, i am not receiving any data through the console. Accidentl...

I need help figuring out which 800 series router to choose from. I would like to have the option of configuring the router with either a DSL modem (AT&T) or Cable modem (Charter) for WAN access. Is this possible? The reason i want both options is so ...