Building Peer Sessions

The previous chapter examined the process of BGP neighbor negotiation at a fairly technical level. It emphasized the formats of messages exchanged during negotiation. This chapter now expands the examination to consider additional subtleties of the negotiation process. In addition, this section intr...

802.11b

Very soon after ratification of the 802.11b standard, 802.11b access points and radio cards began shipping. It was a fairly easy modification to existing 802.11 DSSS devices to become 802.11b-compliant. In fact, most users could upgrade their existing access points and radio cards with simple firmwa...

Foundation Summary

The Foundation Summary provides a convenient review of many key concepts in this chapter. If you are already comfortable with the topics in this chapter, this summary might help you recall a few details. If you just read this chapter, this review should help solidify some key facts. If you are doing...

Basic Foundation Identity Concepts

Almost all network-connected applications support some basic form of identity. Most often this takes the form of a username and a password. By proactively checking for bad passwords, educating users about choosing good passwords, and giving preference to applications with some form of secure transpo...

Creating an Encrypted Router-to-Router VPN in a GRE Tunnel

There are several steps to these configurations, but they are the same on both routers. The first step is to create an appropriate key exchange policy using ISAKMP. The following set of commands defines the policy with priority 10. When ISAKMP negotiates the security association (SA) parameters, it ...

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