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	<title>Cathayschool Blog</title>
	<link>http://blog.cathayschool.com</link>
	<description></description>
	<lastBuildDate>Sun, 01 Apr 2012 09:28:48 +0000</lastBuildDate>
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	<item>
		<title>Enabling the DNS</title>
		<description><![CDATA[If your network devices require connectivity with devices in networks for which you do not control name assignment, you can assign device names that uniquely identify your devices within the entire internetwork. The global naming scheme of the Internet, the DNS, accomplishes this task. This service is enabled by default. &#160; To re-enable DNS if [...]]]></description>
		<link>http://blog.cathayschool.com/main/enabling-the-dns/</link>
			</item>
	<item>
		<title>Specifying a Name Server</title>
		<description><![CDATA[To specify one or more hosts (up to six) that can function as a name server to supply name information for the DNS, use the following command in global configuration mode: &#160; &#160;]]></description>
		<link>http://blog.cathayschool.com/main/specifying-a-name-server/</link>
			</item>
	<item>
		<title>Specifying the Domain Name</title>
		<description><![CDATA[You can specify a default domain name that the Cisco IOS software will use to complete domain name requests. You can specify either a single domain name or a list of domain names. Any IP host name that does not contain a domain name will have the domain name you specify appended to it before [...]]]></description>
		<link>http://blog.cathayschool.com/main/specifying-the-domain-name/</link>
			</item>
	<item>
		<title>Assigning Host Names to IP Addresses</title>
		<description><![CDATA[The Cisco IOS software maintains a table of host names and their corresponding addresses, also called a host name-to-address mapping. Higher-layer protocols such as Telnet use host names to identify network devices (hosts). The router and other network devices must be able to associate host names with IP addresses to communicate with other IP devices. [...]]]></description>
		<link>http://blog.cathayschool.com/main/assigning-host-names-to-ip-addresses/</link>
			</item>
	<item>
		<title>Mapping Host Names to IP Addresses</title>
		<description><![CDATA[Each unique IP address can have an associated host name. The Cisco IOS software maintains a cache of host name-to-address mappings for use by the connect, telnet, and ping EXEC commands, and related Telnet support operations. This cache speeds the process of converting names to addresses. &#160; IP defines a naming scheme that allows a [...]]]></description>
		<link>http://blog.cathayschool.com/main/mapping-host-names-to-ip-addresses/</link>
			</item>
	<item>
		<title>Configuring Local-Area Mobility</title>
		<description><![CDATA[Local-area mobility provides the ability to relocate IP hosts within a limited area without reassigning host IP addresses and without changes to the host software. Local-area mobility is supported on Ethernet, Token Ring, and FDDI interfaces only. &#160; To create a mobility area with only one router, use the following commands in the interface configuration [...]]]></description>
		<link>http://blog.cathayschool.com/main/configuring-local-area-mobility/</link>
			</item>
	<item>
		<title>Enabling Proxy ARP</title>
		<description><![CDATA[The Cisco IOS software uses proxy ARP (as defined in RFC 1027) to help hosts with no knowledge of routing determine the media addresses of hosts on other networks or subnets. For example, if the router receives an ARP request for a host that is not on the same interface as the ARP request sender, [...]]]></description>
		<link>http://blog.cathayschool.com/main/enabling-proxy-arp/</link>
			</item>
	<item>
		<title>Setting ARP Encapsulations</title>
		<description><![CDATA[By default, standard Ethernet-style ARP encapsulation (represented by the arpa keyword) is enabled on the IP interface. You can change this encapsulation method to SNAP or HP Probe, as required by your network, to control the interface-specific handling of IP address resolution into 48-bit Ethernet hardware addresses. &#160; When you set HP Probe encapsulation, the [...]]]></description>
		<link>http://blog.cathayschool.com/main/setting-arp-encapsulations/</link>
			</item>
	<item>
		<title>Defining a Static ARP Cache</title>
		<description><![CDATA[ARP and other address resolution protocols provide a dynamic mapping between IP addresses and media addresses. Because most hosts support dynamic address resolution, generally you need not specify static ARP cache entries. If you must define them, you can do so globally. Performing this task installs a permanent entry in the ARP cache. The Cisco [...]]]></description>
		<link>http://blog.cathayschool.com/main/defining-a-static-arp-cache/</link>
			</item>
	<item>
		<title>Establishing Address Resolution</title>
		<description><![CDATA[A device in the IP can have both a local address (which uniquely identifies the device on its local segment or LAN) and a network address (which identifies the network to which the device belongs). The local address is more properly known as a data link address because it is contained in the data link [...]]]></description>
		<link>http://blog.cathayschool.com/main/establishing-address-resolution/</link>
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