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cost cost: Specifies the cost of the summary route, in the range of 1 to 16777214. If you do not specify this
option, the summary route uses the largest cost among the summarized routes. If the summarized routes
are Type-2 external routes described in Type-5 LSAs translated from Type-7 LSAs, the summary route uses
the largest cost among the summarized routes plus 1.
not-advertise: Disables advertising the summary route. If you do not specify this keyword, the command
advertises the route.
nssa-only: Limits the route advertisement to the NSSA area by setting the P-bit of Type-7 LSAs to 0. By
default, the P-bit of Type-7 LSAs is set to 1. If the ASBR is also an ABR and FULL state neighbors exist in
the backbone area, the P-bit of Type-7 LSAs originated by the ASBR is set to 0. This keyword applies to
the NSSA ASBR.
tag tag: Specifies a tag for the summary route, in the range of 0 to 4294967295.
Usage guidelines
An ASBR can summarize routes in the following LSAs:
• Type-5 LSAs.
• Type-7 LSAs in an NSSA area.
• Type-5 LSAs translated by the ASBR (also an ABR) from Type-7 LSAs in an NSSA area.
If the ASBR (ABR) is not a translator, it cannot summarize routes in Type-5 LSAs translated from
Type-7 LSAs.
To enable ASBR to advertise specific routes that have been summarized, use the undo asbr-summary
command.
Examples
# Configure a summary route 2000::/16, and specify a cost of 100 and a tag value of 2 for the
summary route.
<Sysname> system-view
[Sysname] ospfv3 1
[Sysname-ospfv3-1] asbr-summary 2000:: 16 cost 100 tag 2
bandwidth-reference
Use bandwidth-reference to specify a reference bandwidth value for link cost calculation.
Use undo bandwidth-reference to restore the default.
Syntax
bandwidth-reference value
undo bandwidth-reference
Default
The default value is 100 Mbps.
Views
OSPFv3 view
Predefined user roles
network-admin
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