300-710 SNCF: Securing Networks with Cisco Firewalls

By Cisco · Question Mode

QuestionQ12

Management and Troubleshooting

Network users are intermittently experiencing problems accessing the internet. An engineer has determined that NAT exhaustion is causing the issue. How should the engineer modify the dynamic NAT configuration to provide internet access to more users without exhausting resources?

Explanation

For dynamic NAT, Fallthrough to Interface PAT (Destination Interface) uses the destination interface IP address as a backup PAT method after the other mapped addresses have been allocated. This allows additional users to share that interface address through distinct port translations, avoiding loss of internet access caused by dynamic NAT address exhaustion.

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