show (ospf | ospf3) overview
Syntax
show (ospf | ospf3) overview <brief | extensive> <instance instance-name> <logical-system (all | logical-system-name)> <realm (ipv4-multicast | ipv4-unicast | ipv6-multicast)>
Syntax (EX Series Switch and QFX Series)
show (ospf | ospf3) overview <brief | extensive> <instance instance-name>
Description
Display Open Shortest Path First (OSPF) overview information.
Options
| none | Display standard information about all OSPF neighbors for all routing instances. |
| brief | extensive | (Optional) Display the specified level of output. |
| instance instance-name | (Optional) Display all OSPF interfaces under the named routing instance. |
| logical-system (all | logical-system-name) | (Optional) Perform this operation on all logical systems or on a particular logical system. |
| realm (ipv4-multicast | ipv4-unicast | ipv6-multicast) | (Optional) (OSPFv3 only) Display information about
the specified OSPFv3 realm, or address family. Use the |
Required Privilege Level
view
Output Fields
Table 1 lists the output fields
for the show ospf overview command. Output fields are listed
in the approximate order in which they appear.
Field name |
Field Description |
Level of Output |
|---|---|---|
Instance |
OSPF routing instance. |
All levels |
Router ID |
Router ID of the routing device. |
All levels |
Route table index |
Route table index. |
All levels |
Configured overload |
Overload capability is enabled. If the overload timer is also configured, display the time that remains before it is set to expire. This field is not displayed after the timer expires. |
All levels |
Topology |
Topology identifier. |
All levels |
Prefix export count |
Number of prefixes exported into OSPF. |
All levels |
Full SPF runs |
Number of complete Shortest Path First calculations. |
All levels |
SPF delay |
Delay before performing consecutive Shortest Path First calculations. |
All levels |
SPF holddown |
Delay before performing additional Shortest Path First (SPF) calculations after the maximum number of consecutive SPF calculations is reached. |
All levels |
SPF rapid runs |
Maximum number of Shortest Path First calculations that can be performed in succession before the hold-down timer begins. |
All levels |
LSA refresh time |
Refresh period for link-state advertisement (in minutes). |
All levels |
SPRING |
Source protocol routing in networking: enable or disable. |
All levels |
Node Segments |
Nodes of source protocol routing in networking:enable or disable. |
All levels |
Ipv4 Index |
Ipv4 Index. |
All levels |
Index Range |
Ipv4 Index range. |
All levels |
Node Segment Blocks Allocated |
Details about node segment blocks. |
All levels |
Database protection state |
Current state of database protection. |
All levels |
Warning threshold |
Threshold at which a warning message is logged (percentage of maximum LSA count). |
All levels |
Non self-generated LSAs |
Number of LSAs whose router ID is not equal to the local router ID: Current, Warning (threshold), and Allowed. |
All levels |
Ignore time |
How long the database has been in the ignore state. |
All levels |
Reset time |
How long the database must stay out of the ignore or isolated state before it returns to normal operations. |
All levels |
Ignore count |
Number of times the database has been in the ignore state: Current and Allowed. |
All levels |
Restart |
Graceful restart capability: enabled or disabled. |
All levels |
Restart duration |
Time period for complete reacquisition of OSPF neighbors. |
All levels |
Restart grace period |
Time period for which the neighbors should consider the restarting routing device as part of the topology. |
All levels |
Graceful restart helper mode |
(OSPFv2) Standard graceful restart helper capability (based on RFC 3623): enabled or disabled. |
All levels |
Restart-signaling helper mode |
(OSPFv2) Restart signaling-based graceful restart helper capability (based on RFC 4811, RFC 4812, and RFC 4813): enabled or disabled. |
All levels |
Helper mode |
(OSPFv3) Graceful restart helper capability: enabled or disabled. |
All levels |
Trace options |
OSPF-specific trace options. |
|
Trace file |
Name of the file to receive the output of the tracing operation. |
|
Area |
Area number. Area 0.0.0.0 is the backbone area. |
All levels |
Stub type |
Stub type of area: Normal Stub, Not Stub, or Not so Stubby Stub. |
All levels |
Authentication Type |
Type of authentication: None, Password, or MD5. Note:
The Authentication Type field refers to the authentication
configured at the |
All levels |
Area border routers |
Number of area border routers. |
All levels |
Neighbors |
Number of autonomous system boundary routers. |
All levels |
Sample Output
- show ospf overview (without SRGB)
- show ospf overview (with SRGB)
- show ospf overview (With Database Protection)
- show ospf3 overview (With Database Protection)
- show ospf overview extensive
show ospf overview (without SRGB)
user@host> show ospf overview
Instance: master
Router ID: 10.255.245.6
Route table index: 0
Configured overload, expires in 118 seconds
LSA refresh time: 50 minutes
SPRING: Enabled
Node Segments: Enabled
Ipv4 Index : 10, Index Range: 2048
Node Segment Blocks Allocated:
Start Index : 0, Size : 256, Label-Range: [ 802048, 802303 ]
Start Index : 256, Size : 256, Label-Range: [ 802304, 802559 ]
Start Index : 512, Size : 256, Label-Range: [ 802560, 802815 ]
Start Index : 768, Size : 256, Label-Range: [ 802816, 803071 ]
Start Index : 1024, Size : 256, Label-Range: [ 803072, 803327 ]
Start Index : 1280, Size : 256, Label-Range: [ 803328, 803583 ]
Start Index : 1536, Size : 256, Label-Range: [ 803584, 803839 ]
Start Index : 1792, Size : 256, Label-Range: [ 803840, 804095 ]
Restart: Enabled
Restart duration: 20 sec
Restart grace period: 40 sec
Helper mode: enabled
Area: 0.0.0.0
Stub type: Not Stub
Authentication Type: None
Area border routers: 0, AS boundary routers: 0
Neighbors
Up (in full state): 0
Topology: default (ID 0)
Prefix export count: 0
Full SPF runs: 1
SPF delay: 0.200000 sec, SPF holddown: 5 sec, SPF rapid runs: 3
show ospf overview (with SRGB)
user@host> show ospf overview
Instance: master
Router ID: 10.10.10.10
Route table index: 0
LSA refresh time: 50 minutes
Traffic engineering
SPRING: Enabled
SRGB Config Range :
SRGB Start-Label : 1000, SRGB Index-Range : 2000
SRGB Block Allocation: Success
SRGB Start Index : 1000, SRGB Size : 2000, Label-Range: [ 1000, 2999 ]
Node Segments: Enabled
Ipv4 Index : 1000
Post Convergence Backup: Disabled
Area: 0.0.0.0
Stub type: Not Stub
Authentication Type: None
Area border routers: 0, AS boundary routers: 0
Neighbors
Up (in full state): 3
Topology: default (ID 0)
Prefix export count: 0
Full SPF runs: 5
SPF delay: 0.200000 sec, SPF holddown: 5 sec, SPF rapid runs: 3
Backup SPF: Enabled, Remote Backup calculation enabled
show ospf overview (With Database Protection)
user@host> show ospf overview
Instance: master
Router ID: 10.255.112.218
Route table index: 0
LSA refresh time: 50 minutes
Traffic engineering
Restart: Enabled
Restart duration: 180 sec
Restart grace period: 210 sec
Graceful restart helper mode: Enabled
Restart-signaling helper mode: Enabled
Database protection state: Normal
Warning threshold: 70 percent
Non self-generated LSAs: Current 582, Warning 700, Allowed 1000
Ignore time: 30, Reset time: 60
Ignore count: Current 0, Allowed 1
Area: 0.0.0.0
Stub type: Not Stub
Authentication Type: None
Area border routers: 0, AS boundary routers: 0
Neighbors
Up (in full state): 160
Topology: default (ID 0)
Prefix export count: 0
Full SPF runs: 70
SPF delay: 0.200000 sec, SPF holddown: 5 sec, SPF rapid runs: 3
Backup SPF: Not Neededshow ospf3 overview (With Database Protection)
user@host> show ospf3 overview
Instance: master
Router ID: 10.255.112.128
Route table index: 0
LSA refresh time: 50 minutes
Database protection state: Normal
Warning threshold: 80 percent
Non self-generated LSAs: Current 3, Warning 8, Allowed 10
Ignore time: 30, Reset time: 60
Ignore count: Current 0, Allowed 2
Area: 0.0.0.0
Stub type: Not Stub
Area border routers: 0, AS boundary routers: 0
Neighbors
Up (in full state): 1
Topology: default (ID 0)
Prefix export count: 0
Full SPF runs: 7
SPF delay: 0.200000 sec, SPF holddown: 5 sec, SPF rapid runs: 3
Backup SPF: Not Needed
show ospf overview extensive
user@host> show ospf overview extensive
Instance: master
Router ID: 1.1.1.103
Route table index: 0
Full SPF runs: 13, SPF delay: 0.200000 sec
LSA refresh time: 50 minutes
Restart: Disabled
Trace options: lsa
Trace file: /var/log/ospf size 131072 files 10
Area: 0.0.0.0
Stub type: Not Stub
Authentication Type: None
Area border routers: 0, AS boundary routers: 0
Neighbors
Up (in full state): 1Release Information
Command introduced in Junos OS Release 7.4.
realm option introduced in Junos OS Release 9.2.
Database protection introduced in Junos 10.2.