OSPF
To view all the entries in the OSPF Link State Database:
Click 
.
Or
Select View > Refresh. All entries appear in the table.
Viewing the OSPF External Database
To display the OSPF External Database window:
Select IP Route > OSPF > OSPF External Database. The OSPF External Database window opens.
Figure 113: OSPF External Database Window
The following parameters are displayed:
Table 85: OSPF External Database Window
Field | Description |
|
|
LSA Type | The type and format of the link state advertisement; for example, |
| Router links and Network links. |
|
|
LSA ID | Identifies the part of the routing domain that is described by the |
| advertisement. The LSA ID can be either a router ID or an IP address. |
|
|
Router ID | Identifies the originating router in the autonomous system. |
|
|
Sequence No. | The sequence number of the link state advertisement. Use this |
| parameter to detect old and duplicate link state advertisements. The |
| larger the sequence number, the more recent the advertisement. Note |
| that the sequence number is usually negative. |
|
|
LSA Age | The age of the link state advertisement (in seconds). |
|
|
Checksum | This parameter is a checksum of the complete contents of the |
| advertisement, not including the Age value. |
|
|
The parameters in the OSPF External Database window are
Issue 5 October 2007 245
