IC Realtime Flex Series: 32-CH High Performance H.264E 2U DVR - Manual (Page 76)

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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.
 IP multiple cast group address
-224.0.0.0-239.255.255.255
- “D” address space
 The higher four-bit of the first byte= ”1110”
 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
 Administrative scoped addressees
-239.0.0.0-239.255.255.255
-Private address space
 Like the single broadcast address of RFC1918
 Can not be used in Internet transmission
 Used for multiple cast broadcast in limited space.