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MAC to IP Address Comparison MAC address Identifies a specific NIC in a computer on a network Each MAC address is unique TCP/IP networks can use MAC addresses in communication Network devices cannot efficiently route traffic using MAC addresses because they: Are not grouped logically Cannot be modified Do not give information about physical or logical network configuration CCNA Guide to Cisco Networking Fundamentals IP Addressing (continued) CCNA Guide to Cisco Networking Fundamentals IP Addressing An IP address has 32 bits divided into four octets To make the address easier to read, people use decimal numbers to represent the binary digits Example: 192.168.1.1 Dotted decimal notation When binary IP addresses are written in decimal format CCNA Guide to Cisco Networking Fundamentals Objectives (continued) Discuss advanced routing concepts such as CIDR, summarization, and VLSM Convert between decimal, binary, and hexadecimal numbering systems Explain the differences between IPv4 and IPv6 CCNA Guide to Cisco Networking Fundamentals Objectives Explain the different classes of IP addresses Configure IP addresses Subdivide an IP network CCNA Guide to Cisco Networking Fundamentals
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(See " Configure Filter Port Security" for more information.CCNA Guide to Cisco Networking Fundamentals Chapter 4 IP Addressing To display parameters needed to set up the port security mode, click Configure. The MAC Filter Port Security window contains the security modes for all ports on the device and action buttons ( ). Step 11 Repeat Steps 3 through 10 for each additional filter to be created, or click Cancel to exit the window. The window closes and (eventually) the MAC Address Filter Manager refreshes to show the new filter. Step 10 Click Create to commit the change(s). If not, enter 0 to indicate no remote port, and proceed to Step 10. Step 9 If configured with a remote system, enter the number of the remote exit port. If not, enter 0 to indicate no remote box, and proceed to Step 10. Step 8 If configured with a remote system, enter the number of the remote exit box. Step 7 Enter the local exit ports using the same format as the applied ports.
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Do not include a space after commas, for example, 1,3,7-11,13 is correct, while 1, 3, 7-11, 13 is incorrect. A combination of individual ports and range of ports, for example, an entry of 1,3,7-11,13 indicates ports 1, 3, 7, 8, 9, 10, 11, and 13.For a range of ports, use a hyphen (-) to denote a range, for example, an entry of 7-11 indicates ports 7, 8, 9, 10, and 11.Do not include a space after commas, for example, 1,3,5,7 is correct, while For individual ports, use a comma to separate the port numbers.Step 6 Enter the applied ports using one of the following formats: Step 5 Select the filter type, or use the default (source-filter). Note When entering the MAC address, use the following format: The window ( ) contains the same fields as the MAC Address Filter Details window, but differs in the following ways: (See " MAC Filter Port Security" for more information.) MAC Address Filter Creation Port Security Mode-To display port security information for all ports, click Port Security Mode.(See " MAC Address Filter Creation" for more information.) After values are entered, click Apply to set configuration to the switch. Create-To create a filter, click Create and assign values to the fields.For example, if the list of applied ports exceeds the space in the MAC Filter Manager (denoted by ellipsis at the list end), the MAC Address Filter Details window displays the complete list of ports. The format allows you to see information contained in fields too small in the MAC Filter Manager window. The information displayed is the same as the, but in a different format. Details-To display details of the selected MAC address entry, select the MAC address entry and click Details.