Sequence Of Events In Special Network - Intel 2011B - PRO/Wireless LAN Enterprise Access Point Configuration Manual

Chapter 5. Bridging Two Ethernet Networks

5.2.2 Sequence of Events in Special Network

In the example network in Figure 5-4, the following events occur if access point A loses its Ethernet
connection:
• Access point A loses its Ethernet connection then turns off its radio.
• Access point B loses the beacon message from access point A, but it keeps probing access
point A (Send Probe state).
• Access Point B then stops sending the WLAP-Alive-BPDU message on the cross-over
Ethernet cable.
• Access Point C loses the WLAP-Alive-BPDU message then turns off its radio. The Ethernet
Activity LED indicator flashes approximately once every second until the Ethernet connection
is restored. With a lost Ethernet connection, the WLAP RF Statistics screen displays the
Current State as "WLAP Lost on Ethernet" and the Wireless Interface (Itf) State as data
blocked (BLK). An example screen is shown in Figure 5-6.
• Access Point D loses the beacon message from access point C, but keeps probing access point
C (Send Probe state).
• Mobile unit loses beacon message from access point D, then roams to access point H.
Figure 5-5: Wiring Connections of Cross-Over 10BaseT Cable
Access Point C
Current # WLAP
Current State
Priority
-------------
Itf WLAP Itf
ID MAC Addr
8001 00:A0:F8:94:C2:04
8002 00:00:00:00:00:00
8003 00:00:00:00:00:00
8004 00:00:00:00:00:00
Refresh-[F1]
Figure 5-6: States of Access Point C with Timeout 3 & Lost Ethernet
20
Transmit+
1
Transmit–
2
Receive+
3
Receive–
6
Pins 4, 5, 7 and 8 are not used.
WLAP RF Statistics
Itf 1
WLAP Lost on Ethernet
8000 hex
Wireless AP Interface Table
Itf Path
State Cost Root ID
BLK 1 800000a0f894C364
DIS 1 800000a0f894C364
DIS 1 800000a0f894C364
DIS 1 800000a0f894C364
Timed-[F2]
Configuring Access Point Bridging and Repeating (WLAP Mode)
1
Transmit+
2 Transmit–
3 Receive+
6
Receive–
Root Interface 0
Root Priority 8000 hex
Root MAC Addr 00:A0:F8:94:C3:64
Root Path Cost 0
---------------
Designated
Cost WLAP ID
0 800000a0f894C364
0 800000a0f894C364
0 800000a0f894C364
0 800000a0f894C364
Previous-[F4] Exit-[ESC]
Designated
Itf ID
8001
8002
8003
8004