12 multicast – AGI Security SYS-HC0851S2 User Manual
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4.10.2.12 Multicast
Multicast setup interface is shown as in Figure 4-77.
Figure 4-77
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.