Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) Practice Mode

Community Discussion

Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.

• Chose A3

  LFA Tie-Breaking Rules • Shared Risk Link Group (SRLG)-disjoint—Eliminates LFAs that belong to any of the protected path SRLGs.SRLGsrefer to situations where linksin a network share a common fiber (or a common physical attribute). If one link fails, other links in the group may also fail. Therefore, links in a group share risks. ref: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_eigrp/configuration/xe-3s/asr1000/ire-xe-3s-asr1000.pdf

• Chose A3

  SRLGs refer to situations where links in a network share a common fiber (or a common physical attribute). If one link fails, other links in the group may also fail. Therefore, links in a group share risks.

• Chose A1

  Seems A to be the correct one. Shared Risk Link Group-disjoint: Eliminates LFAs that belong to any of the protected path Shared Risk Link Groups (SRLGs). SRLGs refer to situations where links in a network share a common fiber (or a common physical attribute). If one link fails, other links in the group may also fail. Therefore, links in a group share risks. \https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9500/software/release/1configuration_guide/rtng/b_175_rtng_9500_cg/configuring_eigrp_loop_free_alternate_ip_fast_reroute.html