User`s manual

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If you disable this function, all IP addresses can access current DVR.
Figure 5-10
5.3.4.3 Multiple Cast Setup
Multiple-cast setup interface is shown as in Figure 5-11.
Figure 5-11
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