Fisher Lv2Posted 19 Oct 2022 12:17
  
OSPF Loop-Free Alternate (LFA) Fast Reroute (FRR) allows OSPF to quickly switch (within 50 ms) to a backup path when a primary path fails.
Carrot Lv3Posted 19 Oct 2022 12:38
  
To quickly switch (within 50 ms) to a backup path when a primary path fails. Without LFA FRR, OSPF has to re-run SPF to find a new path when the primary path fails.
Brooker Lv3Posted 19 Oct 2022 12:51
  
Loop Free Alternate (LFA) is a mechanism by which neighbours can be used as backup hops
Sangfor Jojo Lv5Posted 19 Oct 2022 14:40
  
Hello Zonger, it is suggested to ask questions about Sangfor products instead of copying some questions from the website. If you continue your action like this, we have to block your account for a month. If you are not familiar with this community, please read the Community Guidelines carefully. https://community.sangfor.com/fo ... thread&tid=3876

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