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Abou
t Th
e Et
her
n
et Com
m
u
n
icatio
n Abn
o
rm
ality
Sect
ion 9
RFID System
User's Manual
(Modbus TCP)
Section 9
Troubleshooting
About The Ethernet Communication Abnormality
If an Ethernet network is configured into a loop as shown below, broadcast packets are accumulated in the band, and the
communication is disabled. Therefore, do not configure the Ethernet network into a loop.
When a large amount of broadcast packets or multicast packets flow into the Ethernet network, Reader/Writers may stop its
operation. Please do not send a large amount of packet. Please separate the Reader/Writers from the network segment that
broadcast or multicast packets flow.
Sending
b
roadcast storm
Reader/
W
riter
HUB
HUB
HUB
Broadcast storm
Comm
u
nication disa
b
led