Implementing Cisco Enterprise Advanced Routing & Services (300‑410 ENA

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The 300-410 ENARSI exam (Implementing Cisco Enterprise Advanced Routing and Services) is a 90‑minute Cisco certification exam. It awards the Cisco Certified Specialist – Enterprise Advanced Infrastructure Implementation title and contributes toward the CCNP Enterprise certification. The exam tests your ability to implement and troubleshoot advanced routing technologies and enterprise services, including Layer 3 routing, VPNs, infrastructure security, services, and automation.

Who Is It Ideal For

• Network professionals who want to demonstrate advanced enterprise‑level routing and services skills.
• Engineers working with enterprise networks that use advanced routing protocols, VPN services, IPv4/IPv6, and WAN infrastructure.
• Those aiming for the CCNP Enterprise path and need to fulfill a concentration (specialist) exam requirement.
• People comfortable with Cisco IOS, routing, switching fundamentals, and ready for advanced configuration and troubleshooting.
  
  

Topics CoveredLayer 3 Technologies

• Troubleshoot administrative distances across routing protocols
• Route‑map based routing policy, route filtering/tagging
• Loop‑prevention mechanisms, summarization, redistribution
• Policy‑based routing, VRF‑Lite configuration and verification
• Troubleshooting EIGRP, OSPF, BGP (IPv4/IPv6), including neighbor relationships, metrics, path selection, load balancing, stub configs, and authentication
  
  

VPN Technologies & Services

• Configuration and verification of VPNs: site‑to‑site, remote‑access, DMVPN, FlexVPN, GRE/mGRE tunnels with IPsec
• Integration of VPN overlays with routing protocols like BGP or OSPF
  
  

Infrastructure Security & Hardening

• Secure device access and management: AAA, secure protocols, router hardening
• Traffic filtering and protection: ACLs, uRPF, IPv6 first‑hop security, Control‑lane Policing
  
  

Infrastructure Services & Network Management

• Services like DHCP (v4/v6), SSH, Telnet, HTTP/S, SNMP v2/v3, logging
• Network monitoring tools: NetFlow, IP SLA, object tracking, failover, traffic analysis, and network health monitoring
  
  

The300‑410 ENARSI exam ensures you can deploy, configure, and troubleshoot enterprise‑class networks:

• Build complex Layer 3 topologies using EIGRP, OSPF, BGP, VRF, summarization, redistribution, and routing policies
• Create and manage secure VPN infrastructures integrated with routing protocols
• Harden network infrastructure with secure management, ACLs, uRPF, CoPP, and IPv6 security
• Provide essential services, monitor network performance, and maintain network health and reliability