Switching

A simple question.I read that 2960 switches default to an administrative mode of "dynamic auto", meaning that (if two switches are interconnected) neither switch initiates the trunk negotiation process.What is the default Administrative Mode for othe...

I understand there is COS available on the 2950. However, it depends on the type of software that it is running. There is an EI and SI version available. How are one tell, by looking at the output for the sho ver if the 2950 will support the COS. Her...

I have several ports on my network that I continue to see go into an err-disabled state when devices are connected to the network jack. I can fix these by doing a shut/no shut on the port, but I'm not sure what's causing this to happen? No speed/dupl...

I'm looking for an official Cisco response to this one.I have a few hundred devices that need to have software upgrades performed to allow us to SSH to/from the devices. This includes: routers, switches, access points, etc.All devices are covered by...

Is TDR test disruptive? is there a general reference on how to read output of tdr diag results.

Last week we upgraded Image of Cat6513 from 12.2(18)SXF3 to the latest 12.2(18)SXF16.Everyhing was fine. But when I tried to show module, I found the version of Sup 720 and two ethernet cards became 12.2(18)SXF1 from 12.2(18)SXF3.Is this normal behav...

Please recommend a switch that also has routing capabilities.

Could someone refresh my memory about best practices with loopback interfaces and routing protocols? I starting to roll out a routed access layer design and am trying to figure out the best way to structure my loopback IPs. I need to create a /32 for...

We have a Websense server connected to a Catalyst 2970, and also a PIX 515 through which outbound http traffice passes for users to surf the web.The problem is, when I enter the "monitor session 1 destination" command on the interface the Websense se...

Is there a way to set a 100FX-FE SFP module installed in a 3560-POE-8 Switch to operate in full duplex mode. It is autonegotiating to half duplex and will not accept the "duplex full" command under the GigabitEthernet0/1 interface configuration.

Is it possible to create port channel (L3 interface bundle) between two L3 switches (sw1 and sw2) which ARE NOT directly connected? sw1 - l2sw1 - l3sw1 - l3sw2 - l2sw2 - sw2

How do I configure blades in a Cat 6500 that are not installed. I am configuring a supervisor for one of my 6500's to replace an existing sup and I don't want to build a entire switch just to configure the sup. The new sup is running v12.2(18)