By John Roland, Mark Newcomb
The first aim of this ebook is that can assist you organize to go both the 9E0-121 or 642-511 Cisco safe VPN (CSVPN) checks as you attempt to achieve the CCSP certification or a targeted VPN certification. Adhering to the idea that, as members, we every one continue details greater via assorted media, this publication presents various codecs that can assist you reach passing this examination. Questions make up a good portion of this ebook, simply because they're what you're faced with at the examination and since they seem to be a invaluable solution to gauge your knowing of the cloth.
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Extra resources for CCSP Cisco Secure VPN exam certification guide: CCSP self-study
The IPSec Protocols The protocols that IPSec uses to provide traffic security are Authentication Header (AH) and Encapsulating Security Payload (ESP). These two protocols are considered purely IPSec protocols and were developed strictly for IPSec. Each protocol is described in its own RFC, which was identified in Table 2-7. You can use AH and ESP independently on an IPSec connection, or you can combine their use. IKE and IPSec negotiate encryption and authentication services between pairs. This negotiation process culminates in establishing Security Associations (SAs) between security pairs.
Many of these tools are web based, using standard web browsers and simplifying their administration and maintenance. The following sections discuss several of those tools. Cisco VPN Device Manager The Cisco VPN Device Manager (VDM) is an embedded device manager that is installed directly into a supporting router’s flash memory. VDM then allows management of that router from a web browser using wizards to simplify the management process. VDM is currently supported on Cisco 7100, 7200, and 7400 Series Routers, allowing the simplified configuration of VPNs.
A single VPN implementation can provide secure communications for a variety of applications on diverse operating systems. VPNs fall into three basic categories: • • • Remote access Intranet Extranet The following sections cover these three areas in more detail. Remote Access VPNs Telecommuters, mobile workers, and remote offices with minimal WAN bandwidth can all benefit from remote access VPNs. Remote access VPNs extend the corporate network to these users over publicly shared infrastructures, while maintaining corporate network policies all the way to the user.