DVR systems DVRxx04HF-A Series - Manual (Page 86)

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Figure 5-12
5.3.5.4 Multiple Cast Setup
Multiple-cast setup interface is shown as in Figure 5-13.
Figure 5-13
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.