Elastic Networks 600 Spécifications Page 39

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Vue de la page 38
Elastic Networks 1 BitStorm 1900 Access Multiplexer
08-01101-01, Rev. 1.50 BitStorm 1900™ Installation and Maintenance Guide 1-17
Figure 1-4: 6306 IP Multicast Operation
The 6306 IP Multicast Operation works in the following manner:
1. The client issues an IGMP Join Request (Unsolicited report) Layer
2 broadcast.
2. The 6306 modem listens for any IGMP packets (IGMP snooping)
and maintains a table mapping the IP Multicast stream to the port.
3. The 6306 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
L
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
b
/
s
L
I
N
K
/A
C
T
LI
N
K
/
A
C
T
10
0
M
b
/s
1
2
3
4
5
6
7
8
1
7
1
8
1
9
2
0
2
1
2
2
3
4
2
4
Layer 2/3 IGMP-enabled Switch
6306 CO
Modem Card
MIU
Connection
6
10
StormPort
Modem
610
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
Vue de la page 38
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