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Zorluk: ZorRemote Access and Site-to-Site VPN Concepts

Match each VPN deployment scenario or operational requirement on the left with the corresponding VPN technology or protocol implementation on the right.

  • Connecting two fixed corporate branch office routers across an untrusted WAN using static peer IP addresses and pre-shared keys without dynamic overlay routing.Site-to-Site IPsec VPN (Static LAN-to-LAN)
  • Providing web-browser-only remote access to internal intranet web portals for external contractors without installing software on endpoint devices.Clientless SSL VPN (Web Portal Access)
  • Authenticating mobile teleworkers using dedicated endpoint software to secure all IP network layer traffic with optional split-tunnel capabilities.Client-Based Remote Access VPN (e.g., Cisco AnyConnect IPsec/SSL)
  • Establishing scalable dynamic spoke-to-spoke encrypted tunnels between multiple enterprise sites using Multipoint GRE and Next Hop Resolution Protocol.Dynamic Multipoint VPN (DMVPN)

Cevap

Static branch gateway connections match Static Site-to-Site IPsec VPN. Browser-only contractor access matches Clientless SSL VPN. Mobile endpoint client software matches Client-Based Remote Access VPN. Scalable dynamic spoke-to-spoke using mGRE/NHRP matches DMVPN.
Each requirement maps precisely to its characteristic VPN architecture: standard point-to-point router links map to Static Site-to-Site IPsec, browser-bound contractor access maps to Clientless SSL VPN, full network layer remote connectivity maps to Client-Based Remote Access VPN, and dynamic multi-site scaling with mGRE/NHRP maps to DMVPN.

Adım Adım Çözüm

1
Analyze fixed gateway requirements
Connecting static branch routers with fixed peer IPs corresponds to standard Site-to-Site IPsec VPN.
Site-to-Site IPsec provides seamless, transparent network-to-network connectivity between static gateways.
2
Analyze clientless endpoint access requirements
Web portal access via web browser without endpoint software installation corresponds to Clientless SSL VPN.
Clientless SSL VPN operates via TLS within standard browsers to grant restricted access to intranet applications.
3
Analyze full network layer remote access client requirements
Dedicated endpoint software managing split-tunneling and IP layer security corresponds to Client-Based Remote Access VPN.
Client software like Cisco AnyConnect encapsulates and encrypts IP layer traffic for mobile users.
4
Analyze dynamic multi-site topology requirements
Combining mGRE, NHRP, and IPsec for dynamic direct spoke-to-spoke tunnels corresponds to DMVPN.
DMVPN simplifies hub-and-spoke and mesh topologies by dynamically resolving and establishing tunnels between spoke routers.

Anahtar Kavram

Classification and operational mechanics of Remote Access (Clientless SSL and Client-based AnyConnect) versus Site-to-Site VPN architectures (Static IPsec and DMVPN).
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