CP Plus Cosmic User Manual page 88

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.
All systems in the sub-net
1
All routers in the sub-net
224.0.0.
2
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
⚫
Cannot be used in Internet transmission
⚫
Used for multiple cast broadcast in limited space.
Except the above-mentioned addresses of special meaning, you can use other
addresses. For example:
Figure 2-91
83