RFC3101 2.5 Calculating type-7 as external routes (3) states:
Else if the destination is a Type-7 default route (destination
ID = DefaultDestination) and one of the following is true,
then do nothing with this LSA and consider the next in the
list:
o The calculating router is a border router and the LSA has
its P-bit clear. Appendix E describes a technique
whereby an NSSA border router installs a Type-7 default
LSA without propagating it.
o The calculating router is a border router and is
suppressing the import of summary routes as Type-3
summary-LSAs.
[NSSA]
Suppose user perform following steps in scenario(there is one ABR and ASBR
in NSSA area):
1)ASBR generate type-7 default route LSA to redistribute default route
from static route source.
2)In ABR,Create type 7 default route LSA via command like
"default-route-originate" for this NSSA area.
After step 2),the ABR calculation also should not consider type-7 default
route LSA redistribted by ASBRs?
Am I missing something?please correct me.
Best regards,
Wangjin
Accton Technology China Company Ltd.
Shanghai R&D Center
TEL:+86-021-64859922*6227
E-mail:[EMAIL PROTECTED]
Web Site:www.accton.com.cn_______________________________________________
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