Fast Reroute Recovered Fast Reroute Recovered FRR 설정 후 장애 발생 시 PLR은 Traffic을 Protectino Tunnel로 전환하고 Head-End로 ERR Message를 전송함 - Error Code : RSVP Notify Error - Error Value : Tnnel Locally Repaired (Local에서 복구한 것을 의미) Head-End는 Primary Path를 UP 상태로 유지함 Head-End가 PLR이 Traffic을 Protection Tunnel로 전환했을 때 - Standby Secondary Path 있을 때 · Head-End가 MBB를 사용해 Traffic을 Standby Secondary Path로 전환시킴 → 단, Secondary Path가 FRR Path 보다 CSPF 계산 결과가 좋아야 됨 - Non-Standby Secondary Path만 있을 때 · Protection Tunn...
![[MPLS Resiliency] Fast Reroute Recovered after Failure](https://mblogthumb-phinf.pstatic.net/MjAyMjA3MjlfNDAg/MDAxNjU5MDIzNDM5Nzg4.fbIucxYGWygeuYS8amqkCRu1R2RFjEihROeRtWI9VT0g.-Kv3R3V16lZcmtQJCmGPG_09grIucOBGWh08hm7J7FQg.PNG.choiyoonjun111/image.png?type=w2)
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FastReroute
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FRRRetryTimer
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MPLS
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MPLSResiliency
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MPLSTE
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RecoveredafterFailure
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ResignalTimer
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RetryLimit
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RetryTimer
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RSVP
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RSVPResiliency
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FRRRetryLimit
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FRRResignalTimer
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FastRerouteFailure동작과정
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FastRerouteRecovered
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FastRerouteRecoveredafterFailure
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FastRerouteResignalTimer
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FastRerouteRetryLimit
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FastRerouteRetryTimer
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FRR
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FRRfailure동작과정
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FRRRecovered
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FRRRecoveredafterFailure
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RSVPTE
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