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Onnowpurbo at 03:13, 23 March 2019

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← Older revision		Revision as of 03:13, 23 March 2019
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	Case Study: A Basic OSPF Configuration		Case Study: A Basic OSPF Configuration

	The three steps necessary to begin a basic OSPF process are		The three steps necessary to begin a basic OSPF process are
	Step 1. Determine the area to which each router interface will be		Step 1. Determine the area to which each router interface will be attached.
	attached.		Step 2. Enable OSPF with the command router ospf process-id.
	Step 2. Enable OSPF with the command router ospf process-id.		Step 3. Specify the interfaces on which to run OSPF, and their areas, with the network area command.
	Step 3. Specify the interfaces on which to run OSPF, and their areas,
	with the network area command.		Unlike the process ID associated with IGRP and EIGRP, the OSPF process ID is not an autonomous system number. The process ID can be any positive integer and has no significance outside the router on which it is configured. Cisco IOS allows multiple OSPF processes to run on the same router; [25] the process ID merely distinguishes one process from another within the device. [25]
	Unlike the process ID associated with IGRP and EIGRP, the OSPF
	process ID is not an autonomous system number. The process ID can be		Although the use of multiple processes on one router is possible, it is highly discouraged because of the demands that the multiple databases will place on router resources.The network command used with RIP allows only the specification of a major network address. If some interfaces within the network should not run the routing protocol, the passive-interface command has to be used with those protocols. As is the network command used with the wildcard mask for EIGRP, the network area command is much more flexible then the network command used for RIP and EIGRP before the wildcard option was introduced, reflecting the fully classless nature of OSPF. Any address range can be specified with an (address, inverse mask) pair. The inverse mask is the same as the inverse mask used with access lists. [26] The area can be specified in either decimal or dotted decimal. [26]
	any positive integer and has no significance outside the router on which it
	is configured. Cisco IOS allows multiple OSPF processes to run on the
	same router; [25] the process ID merely distinguishes one process from
	another within the device.
	[25]
	Although the use of multiple processes on one router is possible, it is highly
	discouraged because of the demands that the multiple databases will place on router
	resources.The network command used with RIP allows only the specification of a
	major network address. If some interfaces within the network should not
	run the routing protocol, the passive-interface command has to be used
	with those protocols. As is the network command used with the wildcard
	mask for EIGRP, the network area command is much more flexible then
	the network command used for RIP and EIGRP before the wildcard
	option was introduced, reflecting the fully classless nature of OSPF. Any
	address range can be specified with an (address, inverse mask) pair. The
	inverse mask is the same as the inverse mask used with access lists. [26]
	The area can be specified in either decimal or dotted decimal.
	[26]
	See Appendix B, "Tutorial: Access Lists," for a tutorial on the use of inverse masks.		See Appendix B, "Tutorial: Access Lists," for a tutorial on the use of inverse masks.
	Figure 8-43 shows an OSPF network. Note that each area has an		Figure 8-43 shows an OSPF network. Note that each area has an
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	configurations are displayed in Example 8-19 through Example 8-22:		configurations are displayed in Example 8-19 through Example 8-22:
	Example 8-19. Rubens's OSPF network area configuration.		Example 8-19. Rubens's OSPF network area configuration.
	router ospf 10
	network 0.0.0.0 255.255.255.255 area 1		router ospf 10
			network 0.0.0.0 255.255.255.255 area 1

	Example 8-20. Chardin's OSPF network area configuration.		Example 8-20. Chardin's OSPF network area configuration.
	router ospf 20
	network 192.168.30.0 0.0.0.255 area 1		router ospf 20
	network 192.168.20.0 0.0.0.255 area 0Example 8-21. Goya's OSPF network area configuration.		network 192.168.30.0 0.0.0.255 area 1
	router ospf 30		network 192.168.20.0 0.0.0.255 area 0Example 8-21. Goya's OSPF network area configuration.
	network 192.168.20.0 0.0.0.3 area 0.0.0.0		router ospf 30
	network 192.168.10.0 0.0.0.31 area 192.168.10.0		network 192.168.20.0 0.0.0.3 area 0.0.0.0
			network 192.168.10.0 0.0.0.31 area 192.168.10.0

	Example 8-22. Matisse's OSPF network area configuration.		Example 8-22. Matisse's OSPF network area configuration.
	router ospf 40		router ospf 40

Onnowpurbo: Created page with "Case Study: A Basic OSPF Configuration The three steps necessary to begin a basic OSPF process are Step 1. Determine the area to which each router interface will be attached...."

2019-03-18T01:47:19Z

Created page with "Case Study: A Basic OSPF Configuration The three steps necessary to begin a basic OSPF process are Step 1. Determine the area to which each router interface will be attached...."

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IPV6: OSPF Konfigurasi - Revision history

Onnowpurbo at 01:55, 24 March 2019

Onnowpurbo at 01:30, 24 March 2019

Onnowpurbo at 00:06, 24 March 2019

Onnowpurbo at 03:13, 23 March 2019

Onnowpurbo: Created page with "Case Study: A Basic OSPF Configuration The three steps necessary to begin a basic OSPF process are Step 1. Determine the area to which each router interface will be attached...."