Reference Guide

686 | Open Shortest Path First (OSPFv2)
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show ip ospf topology
z
Display routers in directly connected areas.
Syntax
show ip ospf process-id topology
Parameters
Defaults
No default values or behavior
Command Modes
EXEC
EXEC Privilege
Command
History
Usage
Information
This command can be used to isolate problems with inter-area and external routes. In OSPF inter-area
and external routes are calculated by adding LSA cost to the cost of reaching the router. If an inter-area
or external route is not of correct cost, the display can determine if the path to the originating router is
correct or not.
Example
Figure 29-20. Command Example: show ip ospf process-id topology
FTOS#show ip ospf 1 topology
Router ID Flags Cost Nexthop Interface Area
3.3.3.3 E/B/-/ 1 20.0.0.3 Gi 13/1 0
1.1.1.1 E/-/-/ 1 10.0.0.1 Gi 7/1 1
FTOS#
summary-address
z
Set the OSPF ASBR to advertise one external route.
Syntax
summary-address ip-address mask [not-advertise] [tag tag-value]
To disable summary address, use the no summary-address ip-address mask command.
Parameters
Defaults
Not configured.
Command Modes
ROUTER OSPF
S6000
process-id
Enter the OSPF Process ID to show a specific process.
If no Process ID is entered, command applies only to the first OSPF process.
Version 9.0.2.0 Introduced on S6000.
Version 8.3.11.1 Introduced on Z9000
Version 7.8.1.0 Introduced support for Multi-Process OSPF.
S6000
ip-address
Specify the IP address in dotted decimal format of the address to be summarized.
mask
Specify the mask in dotted decimal format of the address to be summarized.
not-advertise (OPTIONAL) Enter the keyword not-advertise to suppress that match the
network prefix/mask pair.
tag tag-value (OPTIONAL) Enter the keyword tag followed by a value to match on routes
redistributed through a route map.
Range: 0 to 4294967295