Configuring an OSPF Network (J-Web Procedure)

date_range 01-Apr-21

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Note:

This topic applies only to the J-Web Application package.

You can use the J-Web interface to create multiarea OSPF networks on an EX Series switch.

Note:

You cannot configure OSPF using J-Web in EX2200 switches except EX2200-C switch.

To configure a multiarea OSPF network:

Select Configure > Routing > OSPF.

Note:
After you make changes to the configuration on this page, you must commit the changes for them to take effect. To commit all changes to the active configuration, select Commit Options > Commit. See Using the Commit Options to Commit Configuration Changes for details about all commit options.
Click one of the following options:
- Add—Adds an OSPF area. Enter information into the configuration page as described in Table 1.
- Edit—Modifies an existing OSPF area. Enter information into the configuration page as described in Table 1.
- Delete—Deletes an existing OSPF area.
To modify OSPF global settings, click Edit. Enter information as described in Table 2.
To disable OSPF, click Disable.

Table 1: OSPF Routing Configuration Summary
Field	Function	Your Action
General tab
Area Id	Uniquely identifies the area within its AS.	Type a 32-bit numeric identifier for the area. Type an integer or select and edit the value. If you enter an integer, the value is converted to a 32-bit equivalent. For example, if you enter 3, the value assigned to the area is 0.0.0.3.
Area Ranges	Specifies a range of IP addresses for an area when sending summary link advertisements (within an area).	To add a range: Click Add. Type the area range. Specify the subnet mask. To override the metric for the IP address range, type a specific metric value. If you do not want to display the routes that are contained within a summary, select Restrict advertisements of this area range. If you want a summary of a route to be advertised only when an exact match is made with the configured summary range, select Enforce exact match for advertisement of this area range. Click OK. To modify an existing area range, select the area range, click Edit, and edit the value. Click OK. To delete an area range, select the area range and click Delete.
Area Type	Designates the type of OSPF area. regular—A regular OSPF area, including the backbone area stub—A stub area nssa—A not-so-stubby area (NSSA)	Select the type of OSPF area you are creating from the list. If you select stub: Enter the default metric. To flood summary LSAs into the stub area, select the check box. If you select nssa: Specify the metric type. Enter the default metric. To flood summary LSAs into the nssa area, select the check box. To flood Type-7 LSAs into the nssa area, select the check box.
Interfaces tab
Interfaces	Specifies the interfaces to be associated with the OSPF configuration	To associate an interface with the configuration, select the interface from the list, select Associate and click OK. To edit an interface’s configuration: Select the interface from the list and click Edit. Specify the cost of an OSPF interface. Specify the traffic engineering metric. Specify how often the routing device sends hello packets from the interface. Specify how long the routing device waits to receive a link-state acknowledgment packet before retransmitting link-state advertisements to an interface’s neighbors. To enable OSPF on the interface, select the check box. To inform other protocols about neighbor down events, select the check box. To treat the interface as a secondary interface, select the check box. To only advertise OSPF, select the check box. Click OK.
Policies tab
Import Policy	Specifies one or more policies to control which routes learned from an area are used to generate summary link-state advertisements (LSAs) into other areas.	Click Add to add an import policy. Click Move up or Move down to move the selected policy up or down the list of policies. Click Remove to remove an import policy.
Export Policy	Specifies one or more policies to control which summary LSAs are flooded into an area.	Click Add to add an export policy. Click Move up or Move down to move the selected policy up or down the list of policies. Click Remove to remove an export policy.

Table 2: Edit OSPF Global Settings
Field	Function	Your Action
General tab
Router Id	Specifies the ID for the routing device.	Type or select and edit the value.
RIB Group	Installs the routes learned from OSPF routing instances into routing tables in the OSPF routing table group.	Select a value.
Internal Route Preference	Specifies the route preference for internal groups.	Type or select and edit the value.
External Route Preference	Specifies the route preference for external groups.	Type or select and edit the value.
Graceful Restart	Configures graceful restart for OSPF.	To configure graceful restart: Specify the estimated time to send out purged grace LSAs over all the interfaces. Specified the estimated time to reacquire a full OSPF neighbor from each area. To disable No Strict LSA Checking, select the check box. To disable graceful restart helper capability, select the check box. Helper mode is enabled by default. Click OK.
SPF Options	Configure options for running the shortest-path-first (SPF) algorithm. You can configure a delay for when to run the SPF algorithm after a network topology change is detected, the maximum number of times the SPF algorithm can run in succession, and a hold-down interval after the SPF algorithm runs the maximum number of times.	To configure SPF: Specify the time interval between the detection of a topology change and when the SPF algorithm runs. Specify the time interval to hold down, or wait before a subsequent SPF algorithm runs after the SPF algorithm has run the configured maximum number of times in succession. Specify the maximum number of times the SPF algorithm can run in succession. After the maximum is reached, the hold-down interval begins.
Policies tab
Import Policy	Specifies one or more policies to control which routes learned from an area are used to generate summary link-state advertisements (LSAs) into other areas.	Click Add to add an import policy. Click Move up or Move down to move the selected policy up or down the list of policies. Click Remove to remove an import policy.
Export Policy	Specifies one or more policies to control which summary LSAs are flooded into an area.	Click Add to add an export policy. Click Move up or Move down to move the selected policy up or down the list of policies. Click Remove to remove an export policy.
Trace Options tab
File Name	Specifies the name of the file to receive the output of the tracing operation.	Type or select and edit the name.
Number of Files	Specifies the maximum number of trace files.	Type or select and edit the name.
File Size	Specifies the maximum size for each trace file.	Type or select and edit the name.
World Readable	Specifies whether the trace file can be read by any user or not.	Select True to allow any user to read the file. Select False to disallow all users being able to read the file.
Flags	Specifies the tracing operation to perform.	Select a value from the list.

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J-Web Application Package User Guide for EX Series Switches

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