Why doesn't linux do dead gateway detection for multipath routes? To be more specific, why isn't something like fib_detect_death() called inside fib_select_multipath(), whereas it is called in fib_select_default()?
Isn't this a violation of the MUST part of section 3.3.1.4 of RFC 1122?
3.3.1.4 Dead Gateway Detection
The IP layer MUST be able to detect the failure of a "next- hop" gateway that is listed in its route cache and to choose an alternate gateway (see Section 3.3.1.5).
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