Switching

We have one GigEth and we configure many vlan initerfaces using this. when we allow a new vlan, other vlans allowed get disconnected for some seconds....To counter this problem, we put a comma at the end of the following command line and then add new...

hi, not sure if is the corretc area for posting this: I have a cisco account and i think i must to upgrade it in order to gain access do IOS sofware?do i have to get a new account or how can i upgrade my current account?does it cost?can i upgrade to ...

I have an ethernet device that's manually configured in 100Mbps/HalfDuplex with a static IP address, and when I plug it into my Cisco Catalyst 2955 switch I get the following behavior:1. The green light eventually comes on for the port, signifying t...

Am I right in thinking that a dynamic internet connection, with its frequently changing IP Address, is more secure than a static one? Is there any difference at all, in terms of security?

The flash on my switch houses 2 ios images. The new image is in my new created directory(drwx)and the current image is in the root of flash(-rwx)I want to use the "boot system & reload" command but must my new IOS image be located in the root of the ...

I'm working on labs for my CCNA and I'm curious about the stp update time. All the books that I'm reading tell me that STP will be in blocking mode for 20 seconds, listening for 15, and learning for 15, for a total of 50 seconds before ports were for...

Is there a way to setup https access for a Catalyst 2950? I've setup the switch for http access in order to provide network assistant connectivity, but would like to secure this access [somewhat] with https.

I have seen this on my main router, what does it actually do, and used for ?thanks

Okay, this might seem like a really stupid question but it's got me stumped.What the hell does "line protocol down" mean and how the hell do I fix it? I'm using a Cisco 2500 series router, and it's occuring on serial port 0 on BOTH routers. I've che...

I posted this question in the LAN section of the forums, but I realize this is probably the proper forum for my question.I have recently purchased a Cisco Catalyst model WS-2955C-12 switch. During POST (boot), the console reports that the switch unde...

Hi all,Hopefully this will be a nice easy one for you all.I have recently configured and installed an 851 router successfully :) I now only have one issue, the damn thing switches itself off after a period of inactivity!If I want to use it again I h...

I would like to be able to use a port of the network module like a port on the router itself. Specifically, I need to :use the port as a real router port (issue something like "interface fastethernet0/5 no switchport") subneting the interface to acce...

I need to reset password on a 2900 switch. I tried the following 2x and no luck. Not sure why its not working. Any help is appreciated. Thankshttp://www.cisco.com/en/US/products/hw/switches/ps628/products_password_recovery09186a0080094184.shtml

Can anybody provide me the NAT tutorial.Many Thanx