CWSP, 2nd Edition

Chapter 7 802.11 Fast Secure Roaming

IN THIS CHAPTER, YOU WILL LEARN ABOUT THE FOLLOWING:

✓ Roaming basics

• Client roaming thresholds

• AP-to-AP handoff

✓ RSNA

• PMKSA

• PMK caching

• Preauthentication

✓ Opportunistic key caching (OKC)

✓ Proprietary FSR

✓ Fast BSS transition (FT)

• Information elements

• FT initial mobility domain association

• Over-the-air fast BSS transition

• Over-the-DS fast BSS transition

✓ 802.11k

✓ 802.11v

✓ Voice Enterprise

✓ Layer 3 roaming

✓ Troubleshooting

One of the main reasons that Wi-Fi networks have spread like wildfire is the fact that 802.11 technology provides mobility. In today’s world, end users demand the freedom provided by WLAN mobility. Corporations also realize productivity increases if end users can access network ...