Hello, i'm doing some lab with IOS-XR and i have one situation strang, basicaly i have a NSSA area with multiple exit points and a redistribution ocurs inside the NSSA area.
The problem basicaly is: PE10 receive the NSSA route with P-bit set and send it to PE6 via area0, PE6 receive it (Type5) end flood it inside NSSA again... but PE6 already has a NSSA route for this prefix... but it delete it from database and install Type5
RFC3101 route preference says:
1. A Type-7 LSA with the P-bit set.
2. A Type-5 LSA.
3. The LSA with the higher router ID.
The P-bit default is now defined as cleared.
i my understand IOS-XR dont uses RFC3101, i search in documentation and not found about it and i dont have any solution, anybody seen this behavior?
If i cancel P-BIT NSSA is installed successfully, really the problem is OSPF path selection order
Same situation in IOS-XE works according the RFC3101
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loadbalancing is one of the more complex items in hardware forwarding. of course we have talked about it many years on cisco live (id 2904) with ever incrementing more detail. and there is the support forum article on loadbalancing.
IntroductionArchitecture Building BlocksIOS-XR RoutersConfigurationPerformance VerificationOptimizationStrict timerSome more verificationThe CollectorInfluxDBDatabase statistics and HealthClosing comments
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