Switching

I have an issue where I will add switchport voice vlan x on to the switchport, the ip phone (polycom talking cdp) will work fine on some occasions but not others. If I reboot switch the vlans will not come up automatically on the voice vlan, however ...

Hi, I need Switches, IPS, Load Balancer and Firewalls. But its hard to find right one.Switch Specifications:Device should have at least 24 x 10/100/1000 Base T and + 4 x GBIC/SFP ports. SFP ports can be filled up with 1000BaseSX, 1000BaseLX or ...

In the Stack Switch message in member Stack in booting time is that reloading because of master reload always but master is running smoothly and not giving the switch detail of member

What causes this problem?C3500XL POST FAILURE: MII Test: FailedC3500XL POST FAILURE: Ethernet Controller Test: Failed

Dear all Cisco experts,I need an urgent help for the design I am currently working on. We have a customer who has got 2*6506 (old Chassis) and planning to upgrade. At present they have got following modules installed in them:Core 6506*1Mod Ports Card...

Which command is the most ideal one to identify a switch as L3?

We typically have multimode fiber runs across our very small college campus. We are buliding a new building that is far enough away that we need to run a single mode fiber to tie the new building to the backbone. I will be deploying the Cisco 3750 sw...

Hello, Question I have two cat4506s connected via an etherchannel. Do I need to enable "qos trust dscp" on the etherchannel interface to get markings from one switch to another? Since it is a trunk shouldnt it already accept the QOS tages and not wip...

I am going to set up the application to run multicast rather broadcast. May How to set multicast on router and switch?

Hello allI'll be upgrading one 6509 from SUP1A with a SUP720-3B one. I need to know if there is a working tool that allows me to convert the configuration before installing the new card. I've donwloaded EDI tool, but i can't make it work (the install...

Hi, I need to upgrade a 6500 with SUP-2 to a new feature set. I checked that the mem needed is:MEM-S2-256MBbut this is End of Sale.I didnt found any replacement for it. What can I buy for my client?Someone can help me?, thanks.

I need to provide the same IP address to some specific devices and just regular DHCP to others on the same subnet. What is the easiest way to do this? I have about 10 devices that need to have specific addresses based on their MACs and the rest can...

I'm a little confused on the RSTP convergence process.When I first learned RSTP, I learned that RSTP collapses the listening and learning into a single period of 15 seconds. Yesterday I read a whitepaper that said a switch immediately sets its design...