CCNA Explorer 2 Static Routing - Revision history

Rael: /* Cisco Discovery Protocol (CDP) */

2012-05-22T21:57:27Z

‎Cisco Discovery Protocol (CDP)

Rael: /* Devices on Directly Conncected Networks */

2010-10-25T10:54:29Z

‎Devices on Directly Conncected Networks

Rael: /* Default Static Route */

2010-10-21T19:35:20Z

‎Default Static Route

Rael: /* Routing Table Principles and Static Routes */

2010-10-21T19:33:23Z

‎Routing Table Principles and Static Routes

Rael: /* Routing Table Principles and Static Routes */

2010-10-21T19:06:57Z

‎Routing Table Principles and Static Routes

Rael: /* Routing Table Principles and Static Routes */

2010-10-21T19:06:43Z

‎Routing Table Principles and Static Routes

Rael: /* Routing table Principles and Static Routes */

2010-10-21T17:52:21Z

‎Routing table Principles and Static Routes

Rael: /* Using CDP for Network Discovery */

2010-10-21T17:43:12Z

‎Using CDP for Network Discovery

Rael: /* Devices on Directly Conncected Networks */

2010-10-21T17:02:19Z

‎Devices on Directly Conncected Networks

Rael: /* Configure A Serial Interface */

2010-10-21T16:50:10Z

‎Configure A Serial Interface

@@ Line 91: / Line 91: @@
 *'''Capabilities list''' - For example, whether this device is a router or a switch
 *'''Platform''' - The hardware platform of the device; for example, a Cisco 7200 series router
 Vis cdp naboer i packet tracer...
 ===Using CDP for Network Discovery===
 CDP er en sikkerhedsrisiko da den giver information omkring ens udstyr. Det bør derfor slåes fra på porte ud mod brugerne.<br/><br/>

@@ Line 73: / Line 73: @@
 Router#undebug all
 </pre>
-===Devices on Directly Conncected Networks===
+===Devices on Directly Connected Networks===
 {|
 |[[Image:ScreenShot729.jpg|800px|left|thumb|Route table lookup]]
@@ Line 79: / Line 79: @@
 |[[Image:ScreenShot730.jpg|800px|left|thumb|Route table lookup]]
 |}
 ===Cisco Discovery Protocol (CDP)===
 Find lag 2 naboer med CDP

@@ Line 161: / Line 161: @@
 {|
 |[[Image:ScreenShot737.jpg|800px|left|thumb|Show ip route]]
 |}

← Older revision		Revision as of 19:33, 21 October 2010
Line 117:		Line 117:
	'''Principle 2''': "The fact that one router has certain information in its routing table does not mean that other routers have the same information."<br/>		'''Principle 2''': "The fact that one router has certain information in its routing table does not mean that other routers have the same information."<br/>
	'''Principle 3''': "Routing information about a path from one network to another does not provide routing information about the reverse, or return path."		'''Principle 3''': "Routing information about a path from one network to another does not provide routing information about the reverse, or return path."
		+	===Resolving to an Exit Interface===
		+	Nå en router skal slå op 2 gange i routing tabellen kaldes det "Recursive lookup"
		+	{\|
		+	\|[[Image:ScreenShot735.jpg\|800px\|left\|thumb\|Recursive Lookup]]
		+	\|}
		+	Hvis den ikke kan lave en recursive lookup, fjernes den oprindelige route fra tabellen.
		+	==Static Routes with Exit Interfaces==
		+	===Configuring a Static Route with an Exit Interface===
		+	{\|
		+	\|[[Image:ScreenShot733.jpg\|800px\|left\|thumb\|ip route Command]]
		+	\|}
		+	Bruges på point-to-point links.<br/>
		+	Laver kun 1 opslag i routning tabellen.<br/>
		+	===Modifying Static Routes===
		+	<pre>
		+	Router(config)#ip route 192.168.2.0 255.255.255.0 172.16.2.2
		+
		+	Router(config)#no ip route 192.168.2.0 255.255.255.0 172.16.2.2
		+
		+	Router(config)#ip route 192.168.2.0 255.255.255.0 serial 0/0/0
		+	</pre>
		+	===Static Routes with Ethernet Interfaces===
		+	På et multiaccess netværk kender vi ikke lag2 next hop. Hvordan kan man så undgå recursive lookups?
		+	<pre>
		+	Router(config)#ip route 192.168.2.0 255.255.255.0 fastethernet 0/1 172.16.2.2
		+	</pre>
		+	Ved at angive next hop interface og IP kan vi undgå recursive lookups. Der skal dog stadig en ARP til at finde MAC addressen på modtageren
		+	==Summary and Default Static Routes==
		+	===Summary Static Routes===
		+	{\|
		+	\|[[Image:ScreenShot736.jpg\|800px\|left\|thumb\|Summary Routes]]
		+	\|}
		+	<pre>
		+	Router(config)#ip route 172.16.0.0 255.255.252.0 Serial0/0/1
		+	</pre>
		+	===Default Static Route===
		+	{\|
		+	\|[[Image:ScreenShot732.jpg\|800px\|left\|thumb\|Default Static Routes]]
		+	\|}
		+	<pre>
		+	Router(config)#ip route 0.0.0.0 0.0.0.0 [exit-interface \| ip-address ]
		+	</pre>
		+	{\|
		+	\|[[Image:ScreenShot737.jpg\|800px\|left\|thumb\|Show ip route]]
		+	\|}

@@ Line 116: / Line 116: @@
 '''Principle 1''': "Every router makes its decision alone, based on the information it has in its own routing table."<br/>
 '''Principle 2''': "The fact that one router has certain information in its routing table does not mean that other routers have the same information."<br/>
-'''Principle''' 3: "Routing information about a path from one network to another does not provide routing information about the reverse, or return path."
+'''Principle 3''': "Routing information about a path from one network to another does not provide routing information about the reverse, or return path."

@@ Line 113: / Line 113: @@
 |}
 ===Routing Table Principles and Static Routes===
-Alex Zinin's Routing Principles:
+Alex Zinin's Routing Principles:<br/><br/>
 '''Principle 1''': "Every router makes its decision alone, based on the information it has in its own routing table."<br/>
 '''Principle 2''': "The fact that one router has certain information in its routing table does not mean that other routers have the same information."<br/>
 '''Principle''' 3: "Routing information about a path from one network to another does not provide routing information about the reverse, or return path."

@@ Line 112: / Line 112: @@
 |[[Image:ScreenShot734.jpg|800px|left|thumb|Static Routes]]
 |}
-===Routing table Principles and Static Routes===
+===Routing Table Principles and Static Routes===

← Older revision		Revision as of 17:43, 21 October 2010
Line 101:		Line 101:
	Router(config-if)#no cdp enable		Router(config-if)#no cdp enable
	</pre>		</pre>
		+	==Static Routes with "Next Hop" Addresses==
		+	===Purpose and Command Syntax of ip route===
		+	{\|
		+	\|[[Image:ScreenShot732.jpg\|800px\|left\|thumb\|Stub network]]
		+	\|-
		+	\|[[Image:ScreenShot733.jpg\|800px\|left\|thumb\|ip route Command]]
		+	\|}
		+	===Configure Static Routes===
		+	{\|
		+	\|[[Image:ScreenShot734.jpg\|800px\|left\|thumb\|Static Routes]]
		+	\|}
		+	===Routing table Principles and Static Routes===

← Older revision		Revision as of 17:02, 21 October 2010
Line 79:		Line 79:
	\|[[Image:ScreenShot730.jpg\|800px\|left\|thumb\|Route table lookup]]		\|[[Image:ScreenShot730.jpg\|800px\|left\|thumb\|Route table lookup]]
	\|}		\|}
		+	===Cisco Discovery Protocol (CDP)===
		+	Find lag 2 naboer med CDP
		+	{\|
		+	\|[[Image:ScreenShot731.jpg\|800px\|left\|thumb\|CDP]]
		+	\|}
		+	'''CDP privides the following information:'''
		+	*'''Device identifiers''' - For example, the configured host name of a switch
		+	*'''Address list''' - Up to one Network layer address for each protocol supported
		+	*'''Port identifier''' - The name of the local and remote port-in the form of an ASCII character string such as ethernet0
		+	*'''Capabilities list''' - For example, whether this device is a router or a switch
		+	*'''Platform''' - The hardware platform of the device; for example, a Cisco 7200 series router
		+	Vis cdp naboer i packet tracer...
		+	===Using CDP for Network Discovery===
		+	CDP er en sikkerhedsrisiko da den giver information omkring ens udstyr. Det bør derfor slåes fra på porte ud mod brugerne.<br/><br/>
		+	Disable globaly:
		+	<pre>
		+	Router(config)#no cdp run
		+	</pre>
		+	Disable per interface:
		+	<pre>
		+	Router(config-if)#no cdp enable
		+	</pre>

← Older revision		Revision as of 16:50, 21 October 2010
Line 48:		Line 48:
	</pre>		</pre>
	===Configure A Serial Interface===		===Configure A Serial Interface===
		+	<pre>
		+	Router(config)#interface serial 0/0/0
		+	Router(config-if)#ip address 172.16.2.1 255.255.255.0
		+	Router(config-if)#no shutdown
		+	</pre>
		+	===Examining Router Interfaces===
		+	{\|
		+	\|[[Image:ScreenShot727.jpg\|800px\|left\|thumb\|Telco Connection]]
		+	\|-
		+	\|[[Image:ScreenShot728.jpg\|800px\|left\|thumb\|Telco Connection]]
		+	\|}
		+	==Exploring Directly Connected Networks==
		+	===Verify Changes to the Routing Table===
		+	<pre>
		+	Router(config)#interface fastethernet 0/0
		+	Router(config-if)#no shut
		+
		+	%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
		+	%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
		+
		+	RT: interface FastEthernet0/0 added to routing table
		+	RT: add 10.0.0.0/24 via 0.0.0.0, connected metric [0/0]
		+	Router(config-if)#end
		+	Router#undebug all
		+	</pre>
		+	===Devices on Directly Conncected Networks===
		+	{\|
		+	\|[[Image:ScreenShot729.jpg\|800px\|left\|thumb\|Route table lookup]]
		+	\|-
		+	\|[[Image:ScreenShot730.jpg\|800px\|left\|thumb\|Route table lookup]]
		+	\|}