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config ospf host_route
Restrictions
Only Administrator and Operator-level users can issue this command.
Usage example
To configure an OSPF host route:
DGS-3627:admin# config ospf host_route 10.48.74.122 area 10.1.1.1 metric 2
Command: config ospf host_route 10.48.74.122 area 10.1.1.1 metric 2
Success.
DGS-3627:admin#
show ospf host_route
Purpose
Used to display the current OSPF host route table.
Syntax
show ospf host_route {<ipaddr>}
Description
This command will display the current OSPF host route table.
Parameters
<ipaddr>
The IP address of the host.
Restrictions
None.
Example usage:
To display the current OSPF host route table:
DGS-3627:admin# show ospf host_route
Command: show ospf host_route
OSPF Host Route Settings
Host Address
Metric Area ID
--------------- ------ ---------------
10.48.73.21
2
10.1.1.1
Total Entries : 1
DGS-3627:admin#
create ospf aggregation
Purpose
Used to configure OSPF area aggregation settings.
Syntax
create ospf aggregation <area_id> <network_address> lsdb_type [summary {advertise
[enable | disable]} | nssa_ext {advertise [enable | disable]}]
Description
This command is used to create an OSPF area aggregation.
Parameters
<area_id>
A 32-bit number in the form of an IP address (xxx.xxx.xxx.xxx) that uniquely identifies
the OSPF area in the OSPF domain.
<network_address>
The 32-bit number in the form of an IP address that uniquely identifies the
network that corresponds to the OSPF Area.
lsdb_type
The type of address aggregation. The user has two choices for the LSDB type:
summary
– Choosing this LSDB type will summarize routes that are entering the OSPF
area by redistribution.
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create ospf aggregation
advertise [enable | disable]
Allows for the advertisement trigger to be enabled or
disabled.
nssa_ext
– Choosing this LSDB type will summarize routes that are entering the OSPF
NSSA from an external source.
advertise [enable | disable]
Allows for the advertisement trigger to be enabled or
disabled.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To create an OSPF area aggregation:
DGS-3627:admin# create ospf aggregation 10.1.1.1 10.48.76.122/16 lsdb_type summary
advertise enable
Command: create ospf aggregation 10.1.1.1 10.48.76.122/16 lsdb_type summary advertise
enable
Success.
DGS-3627:admin#
delete ospf aggregation
Purpose
Used to delete an OSPF area aggregation configuration.
Syntax
delete ospf aggregation <area_id> <network_address> lsdb_type [summary | nssa_ext]
Description
This command is used to delete an OSPF area aggregation configuration.
Parameters
<area_id>
A 32-bit number in the form of an IP address (xxx.xxx.xxx.xxx) that uniquely identifies
the OSPF area in the OSPF domain.
<network_address>
The 32-bit number in the form of an IP address that uniquely identifies the
network that corresponds to the OSPF Area.
lsdb_type
Specifies the type of address aggregation to be deleted. Choose either
summary
or
nssa_ext
.
Restrictions
Only Administrator and Operator-level users can issue this command.
Usage example
To delete the OSPF area aggregation settings:
DGS-3627:admin# delete ospf aggregation 10.1.1.1 10.48.76.122/16 lsdb_type summary
Command:
delete ospf aggregation 10.1.1.1 10.48.76..122/16 lsdb_type summary
Success.
DGS-3627:admin#
config ospf aggregation
Purpose
Used to configure the OSPF area aggregation settings.
Syntax
config ospf aggregation <area_id> <network_address> lsdb_type [summary {advertise
[enable | disable]} | nssa_ext {advertise [enable | disable]}]
Description
This command is used to configure the OSPF area aggregation settings.
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config ospf aggregation
Parameters
<area_id>
A 32-bit number in the form of an IP address (xxx.xxx.xxx.xxx) that uniquely identifies
the OSPF area in the OSPF domain.
<network_address>
The 32-bit number in the form of an IP address that uniquely identifies the
network that corresponds to the OSPF Area.
lsdb_type
The type of address aggregation. The user has two choices for the LSDB type:
summary
– Choosing this LSDB type will summarize routes that are entering the OSPF
area by redistribution.
advertise [enable | disable]
Allows for the advertisement trigger to be enabled or
disabled.
nssa_ext
– Choosing this LSDB type will summarize routes that are entering the OSPF
NSSA from an external source.
advertise [enable | disable]
Allows for the advertisement trigger to be enabled or
disabled.
Restrictions
Only Administrator and Operator-level users can issue this command.
Usage example
To configure the OSPF area aggregation settings:
DGS-3627:admin# config ospf aggregation 10.1.1.1 10.48.76.122/16 lsdb_type summary
advertise enable
Command: config ospf aggregation 10.1.1.1 10.48.76.122/16 lsdb_type summary advertise
enable
Success.
DGS-3627:admin#
show ospf aggregation
Purpose
Used to display the current OSPF area aggregation settings.
Syntax
show ospf aggregation {<area_id>}
Description
This command will display the current OSPF area aggregation settings.
Parameters
<area_id>
Enter this parameter to view this table by a specific OSPF area ID.
Restrictions
None.
Example usage:
To display OSPF area aggregation settings:
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DGS-3627:admin# show ospf aggregation
Command: show ospf aggregation
OSPF Area Aggregation Settings
Area ID
Aggregated
LSDB
Advertise
Network Address
Type
--------------- ------------------ -------- ---------
10.1.1.1
10.0.0.0/8
Summary
Enabled
244.0.0.6
11.0.0.0/8
NSSA-Ext
Enabled
Total Entries: 2
DGS-3627:admin#
show ospf lsdb
Purpose
Used to display the OSPF Link State Database (LSDB).
Syntax
show ospf lsdb {area_id <area_id> | advertise_router <ipaddr> | type [rtrlink | netlink |
summary | assummary | asextlink | nssa_ext]}
Description
This command will display the current OSPF Link State Database (LSDB).
Parameters
area_id <area_id>
A 32-bit number in the form of an IP address (xxx.xxx.xxx.xxx) that uniquely
identifies the OSPF area in the OSPF domain.
advertise_router <ipaddr>
The router ID of the advertising router.
type [rtrlink | netlink | summary | assummary | asextlink | nssa_ext]
The type of link.
Restrictions
None.
NOTE:
When this command displays a “*” (a star symbol) in the OSPF LSDB table for the area_id
or the Cost, this is interpreted as “no area ID” for external LSAs, and as “no cost given” for the
advertised link.
Example usage:
To display the link state database of OSPF:
DGS-3627:admin# show ospf lsdb
Command: show ospf lsdb
Area
LSDB
Advertising
Link State
Cost
Sequence
ID
Type
Router ID
ID
Number
--------------- --------- --------------- ------------------ -------- ---------
0.0.0.0
RTRLink
50.48.75.73
50.48.75.73
*
0x80000002
0.0.0.0
Summary
50.48.75.73
10.0.0.0/8
1
0x80000001
1.0.0.0
RTRLink
50.48.75.73
50.48.75.73
*
0x80000001
1.0.0.0
Summary
50.48.75.73
40.0.0.0/8
1
0x80000001
1.0.0.0
Summary
50.48.75.73
50.0.0.0/8
1
0x80000001
*
ASExtLink
50.48.75.73
1.2.0.0/16
20
0x80000001
Total Entries: 5
DGS-3627:admin#
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show ospf neighbor
Purpose
Used to display the current OSPF neighbor router table.
Syntax
show ospf neighbor {<ipaddr>}
Description
This command will display the current OSPF neighbor router table.
Parameters
<ipaddr>
The IP address of the neighbor router.
Restrictions
None.
Usage example
To display the current OSPF neighbor router table:
DGS-3627:admin# show ospf neighbor
Command: show ospf neighbor
IP Address of
Router ID of
Neighbor Neighbor
Neighbor
Neighbor
Priority State
--------------- --------------- -------- ------------
10.48.74.122
10.2.2.2
1
Initial
Total Entries: 1
DGS-3627:admin#
show ospf virtual_neighbor
Purpose
Used to display the current OSPF virtual neighbor router table.
Syntax
show ospf virtual_neighbor {<area_id> <neighbor id>}
Description
This command will display the current OSPF virtual neighbor router table.
Parameters
<area_id>
A 32-bit number in the form of an IP address (xxx.xxx.xxx.xxx) that uniquely identifies
the OSPF area in the OSPF domain.
<neighbor_id>
The OSPF router ID for the neighbor. This is a 32-bit number in the form of an IP
address (xxx.xxx.xxx.xxx) that uniquely identifies the remote area’s Area Border Router.
Restrictions
None.
Usage example
To display the current OSPF virtual neighbor table:
DGS-3627:admin# show ospf virtual_neighbor
Command: show ospf virtual_neighbor
Transit
Router ID of
IP Address of
Virtual Neighbor
Area ID
Virtual Neighbor Virtual Neighbor State
--------------- ---------------- ---------------- ----------------
10.1.1.1
10.2.3.4
10.48.74.111
Exchange
Total Entries : 1
DGS-3627:admin#

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