Concept Guide
Manuals
Brands
Dell Manuals
Access Platforms
PowerSwitch S4820T
141
142
143
144
145
146
147
148
149
150
Figur
e 10
. BFD Three-
W
a
y Handshake Sta
te Changes
150
Bidir
ectional Forwar
ding Det
ection (BFD
)
1
...
...
148
149
150
151
152
...
...
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