CCDA 640-864 Summary Notes – Chapter 5 – Day 12

Exam Topic 3: Wireless LAN Design Controller Redundancy Design: Deterministic Dynamic Deterministic Controller Redundancy Ap is configured with Primary Controller Secondary controller Tertiary controller DisAdvantages More planning required More configuration Advantages Better predictability Faster failover times Network stability Flexible and powerful redundancy design options Fallback incase of failover Recommended best practice Examples: N+1 N+N N+N+1 N+1 … Continue reading CCDA 640-864 Summary Notes – Chapter 5 – Day 12 →

CCDA 640-864 Summary Notes – Chapter 5 – Day 11

Exam Topic 2 - Part 2: Cisco Unified Wireless Network (UWN) Architecture LWAPP Discovery of WLC LWAPP Image procedure: CAPWAP Image procedure: CAPWAP AP sends a CAPWAP discovery request WLC responds withCAPWAP response within 60 seconds WLC selection is configurable onWLC. AP selects according to the following order Primary sysName (preconfigured) Second sysName (preconfigured) Tertiary sysName … Continue reading CCDA 640-864 Summary Notes – Chapter 5 – Day 11 →

CCDA 640-864 Summary Notes – Chapter 5 – Day 9

Cisco Unified Wireless Network (UWN) architecture - combines wireless and wired network. Exam Topic 1: Wireless LAN Technologies WLAN Standards IEEE 802.11 (Legacy) (1997) Speeds of 1 (typical) and 2 (max) Mbps Used direct sequence spread spectrum (DSSS) and frequency-hopping spread spectrum (FHSS) in L1 DSSS divides data into separate sections; each section travels over different frequencies at the … Continue reading CCDA 640-864 Summary Notes – Chapter 5 – Day 9 →