Command Line Reference Guide

Command
Modes
• EXEC
• EXEC Privilege
Command
History
Version 8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
To isolate problems with inter-area and external routes, use this command. 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
Dell#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
Dell#
summary-address
To advertise one external route, set the OSPF ASBR.
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
ip-address Specify the IP address in dotted decimal format of the
address to summarize.
mask Specify the mask in dotted decimal format of the address to
summarize.
not-advertise (OPTIONAL) Enter the keywords not-advertise to
suppress that match the network prefix/mask pair.
tag tag-value (OPTIONAL) Enter the keyword tag then a value to match
on routes redistributed through a route map. The range is
from 0 to 4294967295.
Defaults Not configured.
Command
Modes
ROUTER OSPF
Command
History
Version 8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
The area range command summarizes routes for the different areas.
With the not-advertise parameter configured, you can use this command to
filter out some external routes. For example, if you want to redistribute static routes
978
Open Shortest Path First (OSPFv2 and OSPFv3)