DVR systems DVR31xxH Series - Manual (Page 59)

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Figure 5-11
5.3.5.3 Multiple Cast Setup
Multiple-cast setup interface is shown as in Figure 5-12.
Figure 5-12
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