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Configuration of Standard and Extended ACLs, and securing SSHv2/console connections.
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Routing facilitates communication across separate networks. This module focuses on static paths and dynamic routing via OSPF.
Securing the perimeter and managing traffic translation are foundational responsibilities for a network associate. This best‑selling book (available in PDF format) has
ip nat inside source list [acl] interface [ext-interface] overload
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Run show ip interface brief . Ensure the target interface status reads Status: up / Protocol: up . If it reads administratively down , execute the no shutdown command.