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	<title>Networkers-online.com &#187; What Is ?</title>
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		<title>IPv6 Tutorial: The overview</title>
		<link>http://www.networkers-online.com/blog/2011/01/ipv6-tutorial-1-the-overview/</link>
		<comments>http://www.networkers-online.com/blog/2011/01/ipv6-tutorial-1-the-overview/#comments</comments>
		<pubDate>Wed, 19 Jan 2011 20:54:55 +0000</pubDate>
		<dc:creator>Wael Osama</dc:creator>
				<category><![CDATA[IPv6]]></category>
		<category><![CDATA[What Is ?]]></category>

		<guid isPermaLink="false">http://www.networkers-online.com/blog/?p=816</guid>
		<description><![CDATA[I will start from the beginning; two weeks ago I wrote a post claiming that IPv4 is depleting and IPv6 is coming soon; and since we are considering deploying IPv6 soon in our network, I thought it might be useful to write about IPv6 migration and transition strategies. Although, this is important but I think [...]


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		<slash:comments>15</slash:comments>
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		<title>What is MPLS? &#8211; MPLS Tutorial</title>
		<link>http://www.networkers-online.com/blog/2010/03/what-is-mpls/</link>
		<comments>http://www.networkers-online.com/blog/2010/03/what-is-mpls/#comments</comments>
		<pubDate>Wed, 31 Mar 2010 19:12:42 +0000</pubDate>
		<dc:creator>Wael Osama</dc:creator>
				<category><![CDATA[MPLS]]></category>
		<category><![CDATA[What Is ?]]></category>
		<category><![CDATA[mpls labels]]></category>
		<category><![CDATA[mpls tutorial]]></category>
		<category><![CDATA[what is mpls]]></category>

		<guid isPermaLink="false">http://networkers-online.com/blog/?p=311</guid>
		<description><![CDATA[What is MPLS? MPLS stands for Multi-protocol Label Switching. MPLS is a packet forwarding technology that is capable of carrying any L3 protocol and here comes the word multi-protocol. MPLS is capable of tunneling L3 packets inside the MPLS network using  MPLS labels. The MPLS label is pushed into the packet between the layer two [...]


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		<slash:comments>5</slash:comments>
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		<title>What is LDP extended discovery?</title>
		<link>http://www.networkers-online.com/blog/2009/01/what-is-ldp-extended-discovery/</link>
		<comments>http://www.networkers-online.com/blog/2009/01/what-is-ldp-extended-discovery/#comments</comments>
		<pubDate>Sat, 10 Jan 2009 18:56:28 +0000</pubDate>
		<dc:creator>Wael Osama</dc:creator>
				<category><![CDATA[MPLS]]></category>
		<category><![CDATA[What Is ?]]></category>

		<guid isPermaLink="false">http://networkers-online.com/blog/?p=153</guid>
		<description><![CDATA[Normally LDP neighbors are found automatically by sending UDP Hello packets on Port 646 with the destination of multicast address 224.0.0.2 out of each LDP enabled interface. In some MPLS applications a LDP session must be established between non directly connected peers to exchange labels. In such cases Hello packets can not be just broadcasted, [...]


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		<slash:comments>5</slash:comments>
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		<title>What is Integrated ISIS?</title>
		<link>http://www.networkers-online.com/blog/2008/11/what-is-integrated-isis/</link>
		<comments>http://www.networkers-online.com/blog/2008/11/what-is-integrated-isis/#comments</comments>
		<pubDate>Wed, 05 Nov 2008 09:38:21 +0000</pubDate>
		<dc:creator>Wael Osama</dc:creator>
				<category><![CDATA[ISIS]]></category>
		<category><![CDATA[What Is ?]]></category>

		<guid isPermaLink="false">http://networkers-online.com/blog/?p=89</guid>
		<description><![CDATA[The IS-IS Routing Protocol may be used as an IGP to support IP as well as OSI. This allows a single routing protocol to be used to support pure IP environments, pure OSI environments, and dual environments. Integrated IS-IS is deployed extensively in an IP-only environment in the top-tier Internet service provider (ISP) networks. The [...]


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		<slash:comments>0</slash:comments>
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		<title>What is: a voice VLAN port?</title>
		<link>http://www.networkers-online.com/blog/2008/10/what-is-a-voice-vlan-port/</link>
		<comments>http://www.networkers-online.com/blog/2008/10/what-is-a-voice-vlan-port/#comments</comments>
		<pubDate>Thu, 02 Oct 2008 17:12:01 +0000</pubDate>
		<dc:creator>Wael Osama</dc:creator>
				<category><![CDATA[What Is ?]]></category>

		<guid isPermaLink="false">http://networkers-online.com/blog/?p=70</guid>
		<description><![CDATA[A voice VLAN port is an access port attached to a Cisco IP Phone, configured to use one VLAN for voice traffic and another VLAN for data traffic from a device attached to the phone. This feature allows the switch to use CDP for sending configuration options regarding COS, Voice VLAN and data VLAN to [...]


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		<slash:comments>0</slash:comments>
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		<title>What is: BPDU filter?</title>
		<link>http://www.networkers-online.com/blog/2008/08/what-is-bpdu-filter/</link>
		<comments>http://www.networkers-online.com/blog/2008/08/what-is-bpdu-filter/#comments</comments>
		<pubDate>Sat, 23 Aug 2008 10:43:27 +0000</pubDate>
		<dc:creator>Wael Osama</dc:creator>
				<category><![CDATA[Bridging & Switching]]></category>
		<category><![CDATA[What Is ?]]></category>

		<guid isPermaLink="false">http://networkers-online.com/blog/?p=50</guid>
		<description><![CDATA[BPDUs are the messages exchanged between switches to calculate the spanning tree topology. BPDU filter is a feature used to filter sending or receiving BPDUs on a switchport. It is extremely useful on those ports which are configured as portfast ports as there is no need to send or receive any BPDU messages on of [...]


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		<slash:comments>3</slash:comments>
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		<title>What is: extended VLAN range?</title>
		<link>http://www.networkers-online.com/blog/2008/07/what-is-extended-vlan-range/</link>
		<comments>http://www.networkers-online.com/blog/2008/07/what-is-extended-vlan-range/#comments</comments>
		<pubDate>Thu, 17 Jul 2008 12:19:21 +0000</pubDate>
		<dc:creator>Wael Osama</dc:creator>
				<category><![CDATA[Bridging & Switching]]></category>
		<category><![CDATA[What Is ?]]></category>

		<guid isPermaLink="false">http://networkers-online.com/blog/?p=27</guid>
		<description><![CDATA[Extended VLANs are VLANs within the range of 1006 to 4094. They are mainly used in service provider networks to allow the provisioning of number of customers. In order to configure an extended VLAN you have to follow the guideline below: Extended VLANs are used just like normal VLANs; only different range. Extended VLANs must [...]


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		<slash:comments>2</slash:comments>
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		<title>What is: IP unnumbered?</title>
		<link>http://www.networkers-online.com/blog/2008/07/what-is-ip-unnumbered/</link>
		<comments>http://www.networkers-online.com/blog/2008/07/what-is-ip-unnumbered/#comments</comments>
		<pubDate>Tue, 15 Jul 2008 21:09:00 +0000</pubDate>
		<dc:creator>Wael Osama</dc:creator>
				<category><![CDATA[WAN technologies]]></category>
		<category><![CDATA[What Is ?]]></category>

		<guid isPermaLink="false">http://networkers-online.com/blog/?p=23</guid>
		<description><![CDATA[IP unnumbered is method that you can use to enable IP processing on a Point to Point interface without assigning an it an IP address to conserve the IP address space. All you need to do, is to select an interface that you are going to borrow its IP address; preferrably the loopback interface because [...]


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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>What is a virtual template/access interface?</title>
		<link>http://www.networkers-online.com/blog/2008/07/what-is-a-virtual-templateaccess-interface/</link>
		<comments>http://www.networkers-online.com/blog/2008/07/what-is-a-virtual-templateaccess-interface/#comments</comments>
		<pubDate>Sat, 12 Jul 2008 01:38:13 +0000</pubDate>
		<dc:creator>Wael Osama</dc:creator>
				<category><![CDATA[What Is ?]]></category>

		<guid isPermaLink="false">http://networkers-online.com/blog/?p=17</guid>
		<description><![CDATA[What is a virtual-template interface? A virtual-template interface is a logical entity that can be used to apply predefined interface configurations for virtual-access interfaces. Virtual template interfaces is configured independently of any physical interface and applied dynamically, as needed, to create virtual access interfaces. What is a virtual-access  interface? Virtual access interface is a virtual [...]


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		<slash:comments>9</slash:comments>
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