Huawei
H31-161 · Question #182
H31-161 Question #182: Real Exam Question with Answer & Explanation
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Question
Refer to the exhibit. As shown in the figure, CE 1 and CE 3 belong to VPN A, CE 2 and CE 4 belong to VPN B, and users on different VPNs are not allowed to access each other. Which of the following configurations can enable mutual access between CE 1 and CE 4 but forbid cross-VPN access between other CEs? Configuration of PE 1: sysname PE 1 # ip vpn-instance vpna route-distinguisher 100:1vpn-target 1:1 3:3 export-extcommunity vpn-target 1:1 3:3 import- extcommunity # i p vpn-instance vpnb route-distinguisher 100:2 vpn-target 2:2 4:4 export-extcommunity vpn-target 2:2 4:4 import-extcommunity # Configuration of PE 2: # sysname PE 2 # ip vpn-instance vpna route-distinguisher 200:1 vpn-target 1:1 export-extcommunity vpn-target 1:1 import-extcommunity # ip vpn-instance vpnb route-distinguisher 200:2 vpn-target 2:2 4:4 export-extcommunity vpn-target 2:2 4:4 import-extcommunity
Exhibit
Options
- ARun vpn-target 1:1 on VPN b of PE 2
- BRun vpn-target 2:2 on VPN a of PE 1The configuration is as follows:
- CRun vpn-target 3:3 on VPN b of PE 2
- DRun vpn-target 4:4 on VPN a of PE 1
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