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Question 236 - 350-501 discussion
Refer to the exhibit. The network team must implement MPLS LDP session protection with two requirements:
Session protection is provided for core loopback IP addresses only.
The LDP session must remain operational for one hour when the WAN link on PE-XR1 fails.
Which configuration must the team implement on PE-XR1?
configure terminal
ipv4 access-list LDP-SESSION-PROTECTION
permit ipv4 172.31.255.0 0.0.0.255 any
!
mpls ldp
session protection for LDP-SESSION-PROTECTION duration 60
end
configure terminal
ipv4 access-list LDP-SESSION-PROTECTION
permit ipv4 172.31.255.0 0.0.0.255 any
!
mpls ldp
session protection for LDP-SESSION-PROTECTION duration 3600
end
configure terminal
ipv4 access-list LDP-SESSION-PROTECTION
permit ipv4 172.31.255.0 0.0.0.255 any
permit ipv4 10.0.0.0 0.0.255.255 any
!
mpls ldp
session protection for LDP-SESSION-PROTECTION duration 60
end
configure terminal
ipv4 access-list LDP-SESSION-PROTECTION
permit ipv4 172.31.255.0 0.0.0.255 any
permit ipv4 10.0.0.0 0.0.255.255 any
!
mpls ldp
session protection for LDP-SESSION-PROTECTION duration 3600
end
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