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tag tag: Specifies a tag value for the summary route, used by a route policy to
control route advertisement, in the range 0 to 4294967295. The value defaults to
1.
cost cost: Specifies the cost of the summary route, in the range 1 to 16777214.
For Type-1 external routes, the cost defaults to the biggest cost among routes that
are summarized. For Type-2 external routes, the cost defaults to the value of the
biggest cost among routes that are summarized plus 1.
Description Use the
asbr-summary command to configure a summary route.
Use the undo asbr-summary command to remove a summary route.
No route summarization is configured by default.
With the asbr-summary command configured on an ASBR, it summarizes
redistributed routes that fall into the specified address range with a single route. If
the ASBR resides in an NSSA area, it advertises the summary route in a Type-7 LSA
into the area.
With the asbr-summary command configured on an NSSA ABR, it summarizes
routes in Type-5 LSAs translated from Type-7 LSAs with a single route and
advertises the summary route to other areas. This command does not take effect
on non NSSA ABRs.
With the undo asbr-summary command used, summarized routes will be
advertised.
Related commands: display ospf asbr-summary.
Examples # Summarize redistributed routes with a single route.
<Sysname> system-view
[Sysname] ip route-static 10.2.1.0 24 null 0
[Sysname] ip route-static 10.2.2.0 24 null 0
[Sysname] ospf 100
[Sysname-ospf-100] import-route static
[Sysname-ospf-100] asbr-summary 10.2.0.0 255.255.0.0 tag 2 cost 100
authentication-mode
Syntax authentication-mode { simple | md5 }
undo authentication-mode
View OSPF area view
Parameters simple: Specifies the simple authentication mode.
md5: Specifies the MD5 ciphertext authentication mode.