IC Realtime 4/8/16/32 Channel 1U PoE Network Video Recorder User Manual
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Brazil GMT-3
Middle Atlantic Time
GMT-2
Figure 4-36
4.6.5.4 Multicast
Multiple-cast setup interface is shown as in Figure 4-37.
Figure 4-37
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.