By Stefan Raab
ISBN-10: 158705132X
ISBN-13: 9781587051326
Real-world options for Cisco IOS® cellular IP configuration, troubleshooting, and management
- comprehend the concept that of mobility and the necessities of mobility protocols
- examine precious elements of a cellular IP community, together with beneficial properties, features, and message flows
- study safety suggestions relating to cellular IP, together with protocol authentication and dynamic keying
- review excessive availability recommendations and integration with AAA servers in campus networks
- discover the beneficial properties of metro mobility, together with opposite tunneling, firewall, NAT traversal, and integration with VPN technologies
- Configure IOS cellular IP networks, together with integration themes reminiscent of redundancy, QoS, and VPN
- deal with the cellular IP infrastructure, together with domestic tackle administration, scalability issues, and community management
- look at the way forward for cellular IP, together with Layer 2 integration demanding situations, cellular IPv6, unstructured mobility, and cellular ad-hoc networking
Two of the world’s strongest expertise traits, the web and cellular communications, are redefining how and while humans entry info. With nearly all of info and new companies being deployed over IP, using units comparable to mobile telephones, PDAs, and laptops for getting access to facts networks is pushing the necessity for “always on” IP connectivity. The evolution of cellular computing issues to a coming jointly of the easiest of computer computing and mobile communications—the predictability and "always attached" adventure of the machine mixed with the benefit of use and mobility of the mobile phone.
One problem to cellular information verbal exchange is relocating info throughout diversified networks. the answer to this challenge is a standards-based protocol: cellular IP. cellular IP is an open commonplace that permits clients to maintain an analogous IP deal with, remain attached, and hold ongoing functions whereas roaming among IP networks.
Mobile IP know-how and purposes is the 1st e-book to deal with the sensible program of cellular IP in real-world environments. Cisco IOS® cellular IP configuration, troubleshooting, and administration are lined extensive and supported via real-world examples. Mobility strategies addressed during this booklet contain firm campus instant LANs and metropolitan mobility for either person units and entire networks. each one instance is designed to coach configuration, administration, and troubleshooting in a way that's without delay appropriate to universal mobility needs.
Whether you're looking for an advent to IP mobility or exact examples of cellular IP know-how in motion, cellular IP know-how and purposes is the complete source for reaping the advantages that safe, trustworthy cellular communications need to offer.
"IP Mobility presents the potential not just for me to hook up with the realm at huge, yet for it to discover and fasten to me."
—Fred Baker, Cisco Fellow, Cisco platforms, Inc.
This publication is a part of the Cisco Press® Networking expertise sequence, which deals networking execs worthy details for developing effective networks, knowing rising applied sciences, and development winning networking careers.
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Extra info for Mobile Ip Technology & Applications (Cisco Press
Sample text
After some time, it returns home. The example is as follows: 1. 1. Using this information and other relevant information from the advertisement, the Mobile Node recognizes that it is at home and does nothing. 2. 6. The Mobile Node detects that it has moved into a foreign domain and can request services by this FA. Using the new network algorithm, the Mobile Node determines that it needs to initiate a Mobile IP handover. 3. The Mobile Node sends a RRQ to its Home Agent through the FA. 30). As required, the Mobile Node appends an MHAE with the correct security credentials.
7) in the Foreign Network. 30. 1. 7. 12. 1 with prefix length extension /24, and realizes that it is back home. 1). 30) and lifetime as 0 to indicate that it is deregistering its mobility binding. The Mobile Node sends out a gratuitous ARP on its Home Network to ensure that its traffic is delivered to it and is no longer tunneled by the Home Agent. Tunneling Rather than distribute routing information to the entire network, Mobile IP builds single-hop logical links, or tunnels, to the edge of the Foreign Network, where the Mobile Node is attached.
The Mobile Node can request an alternate encapsulation method for the tunnel. Both minimal encapsulation and GRE are available as options in the Mobile IP RRQ. Minimal encapsulation, defined in RFC 2004, is an attempt to reduce the size of the inner header by eliminating the duplicate information found in IP-in-IP encapsulation. That is, the original packet header is compressed by removing the redundant information that is in the outer IP header. Minimal encapsulation is useful if the tunnel must traverse a low-bandwidth link, where every bit counts.