Elastic Networks 600 Spécifications Page 46

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Vue de la page 45
1 BitStorm 1900 Access Multiplexer Elastic Networks
1-24 BitStorm 1900™ Installation and Maintenance Guide 08-01101-01, Rev. 1.50
Figure 1-7: 10306 IP Multicast Operation
The 10306 IP Multicast Operation works in the following manner:
1. The client issues an IGMP Join Request (Unsolicited report) Layer
2 broadcast.
2. The 10306 modem listens for any IGMP packets (IGMP snooping)
and maintains a table mapping the IP Multicast stream to the port.
3. The 10306 forwards the IGMP Join Request upstream through the
MIU to the IGMP-enabled switch.
BitStorm 1900 System
Internet IP
Multicast Server
P
O
W
E
R
R
E
A
D
Y
1
0
0
M
b/
s
L
IN
K
/A
C
T
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IN
K
/A
C
T
1
0
0
M
b
/s
1
0
0M
b
/s
L
I
N
K
/A
C
T
L
I
N
K
/
A
C
T
1
0
0
M
b
/
s
1
0
0
M
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/
s
L
IN
K
/
A
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IN
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T
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0
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M
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1
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1
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19
2
0
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4
Layer 2/3 IGMP-enabled Switch
10306 CO
Modem Card
MIU
Connection
6
1
0
StormPort
Modem
6
1
0
StormPort
Modem
IP Multicast Client
for Video Services
IP Multicast Router
Local IP Multicast
Video Server
Set Top Box
TV
IP Multicast Client
for Internet Services
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