IC Realtime Flex Series: 64 Channel 2CIF 3U Standalone DVR User Manual
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Figure 5-13
 
5.3.5.4 Multiple Cast Setup 
Multiple-cast setup interface is shown as in Figure 5-14.
Figure 5-14
Here you can set a multiple cast group. Please refer to the following sheet for detailed 
information. 
z
IP multiple cast group address
-224.0.0.0-239.255.255.255 
-“D” address space 
z
The higher four-bit of the first byte=”1110”
z
Reserved local multiple cast group address
-224.0.0.0-224.0.0.255 
-TTL=1 When sending out telegraph 
-For example 
224.0.0.1 All 
systems in the sub-net
224.0.0.2 All routers in the sub-net 
224.0.0.4 DVMRP router 
224.0.0.5 OSPF router 
224.0.0.13 PIMv2 router 
z
Administrative scoped addressees
-239.0.0.0-239.255.255.255 
-Private address space 
z
Like the single broadcast address of RFC1918
z
Can not be used in Internet transmission
z
Used for multiple cast broadcast in limited space.