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IP Corner

Designing Site-to-Site IPsec VPNs
Learn how to design a network solution for an IPsec-based site-to-site virtual private network (VPN) by using crypto maps. Read article

The OSPF Default Mysteries
See how the Open Shortest Path First (OSPF) protocol uses default routes and how various OSPF-generated default routes interact in typical network scenarios. Read article

Servers in Small Site Multi-Homing
Learn how you can deploy publicly accessible servers on a multihomed small side. Read article

Scalable Policy Routing
Learn how you can use a distance vector routing protocol to solve common policy routing problems in a highly scalable way. Read article

View all IP Corner articles

Key Technologies

Security: VPN, Firewalls, Intrusion Detection/Prevention Systems, Authentication
Unified Communications: VoIP, IP Telephony, IP Contact Centers, Unified Messaging, Video
Transport (Layer-2): Optical, Wireless, ADSL, Dial-up, Multiservice, LAN Switching
Data Center and Applications: Servers, Virtualization, Disk Arrays, Storage Area Networking (SAN), Application-Oriented Networking
IP Routing: MPLS, BGP, ISIS, OSPF, EIGRP, IPv6
IP Services: QoS, IP Multicast, VPN, Traffic Engineering


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