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I have never worked on a network that uses exchange. Does anyone have suggestions of books or links that could help me learn about it or maybe free demo's?

I want to set up static NAT on my Cisco router. I want to set it up for a range of IP addresses. Example: 1.1.1.1 1.1.1.126 NAT to 2.2.2.1 2.2.2.126 I want to the NAt to translate 1.1.1.1 to 2.2.2.1 1.1.1.2 to 2.2.2.2 1.1.1.3 to 2.2.2.3 etc. Is there an easy way to do this? From what I...

I just recieved a new cisco 1600 router. It replaced another 1600 that went bad. I still had the 8mg memory chip from the old 1600, so I used it in this one. Now when I boot to a console port I get this error. %SYS-4-CONFIG_NEWER: Configurations from version 11.2 may not be correctly...

I have some questions from a practice test I took. If anyone knows what the answers are I would appriciate it. What are the two primary methods for Packet Framing? What command verifies encapsulation? What are three reasons why hold down timers would be turned off? A) When router exchanges...

I have PC's and a device called an instant internet box on the same segment. Can I set up an extended IP access list to prevent particular PC's from getting to the Internet box. My confusion is in the fact that they are both on the same segment. I thought trafic would have to pass through...

I want to set up an access list to stop IP from going out of my E0/0. I no how to set up the access list, and access group to do this. However the subnets that I want to block may change from time to time and I don't want to delete the entire list whenever I need to allow a subnet that was...