In Easy IP, at least one of these networks (designated as "inside" or "LAN") is addressed with private addresses that must be converted into a registered address before packets can be forwarded to the other registered network (designated as "outside" or "WAN"). NAT: Operates on a router that connects two or more networks together. A Cisco IOS Easy IP router uses PPP/IPCP to dynamically negotiate its own registered WAN interface IP address from a central access server or DHCP server. IPCP provides the ability to dynamically configure an IP addresses over PPP. Point-to-Point Protocol (PPP)/IP Control Protocol (IPCP): This is defined in RFC 1332. Background Information Components of Easy IP Conventionsįor more information on document conventions, see the Cisco Technical Tips Conventions. If you are working in a live network, ensure that you understand the potential impact of any command before using it. All of the devices used in this document started with a cleared (default) configuration. The information presented in this document was created from devices in a specific lab environment.
#CURRENT VERSION OF NETSIMK SOFTWARE#
The information in this document is based on these software and hardware versions:Įasy IP Router - A Cisco 3620 with four Ethernet and eight BRI interface running Cisco IOS software release 12.0 (7) XK2.Īccess Server - A Cisco AS5300 with one Ethernet, one Fast Ethernet and four channelized T1/PRI ports running Cisco IOS software release 12.1(7). There are no specific prerequisites for this document. The Cisco small office, home office (SOHO) router is commonly used in this configuration type. Another optional function of the Easy IP router is to act as a Dynamic Host Configuration Protocol (DHCP) server to the LAN inside clients. The router then uses Network Address Translation (NAT) through this negotiated address with port address translation (PAT) to provide outside access for the inside clients. The Easy IP Router dials Network Access Server (NAS) at the service provider and negotiates its own WAN IP address. This document explains the use of the Cisco IOS ® Software Easy IP feature which is useful in cases where an entire site connects to the Internet via an Internet Service Provider (ISP) that assigns only one IP address for the entire remote site.
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