Huawei
H31-161 · Question #29
H31-161 Question #29: Real Exam Question with Answer & Explanation
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Question
As shown in the figure, the asymmetric VLL FRR networking is used. AC interfaces on PE 1, PE 2, and PE 3 are configured as follows: Configuration of the AC interface on PE 1: interface Pos3/0/1link-protocol ppp undo shutdown oam detect lcp-terminal notify lcp-terminal ip address 208.1.1.1 255.255.255.0 ip address 208.2.2.1 255.255.255.0 sub mpls l2vc pw-template pw1 13579 ip-interworking mpls l2vc pw-template pw2 24680 ip-interworking secondary mpls l2vpn oam-mapping mpls l2vpn reroute immediately resume 0 Configuration of the AC interface on PE 2: interface Pos1/0/3 link-protocol ppp undo shutdown ip address 208.1.1.2 255.255.255.0 mpls l2vc pw-template pw1 13579 ip-interworking mpls l2vpn oam-mapping Configuration of the AC interface on PE 3: interface Pos1/0/0 link-protocol hdlc undo shutdown oam detect hello-stop notify hello-stop ip address 208.2.2.2 255.255.255.0 mpls l2vc pw-template pw1 24680 ip-interworking mpls l2vpn oam-mapping Which of the following statements are true on the condition that IGP and MPLS are configured correctly on the public network?
Exhibit
Options
- AThe PW between PE 1 and PE 2 is the primary PW.
- BIf a forwarding fault is detected on the PW between PE 1 and PE 2, traffic can be switched to the
- CIf a forwarding fault is detected on the PW between PE 1 and PE 2, traffic from CE 1 to CE 2 can
- DIf a forwarding fault is detected on the public network side of the PW between PE 1 and PE 2,
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