Qvis Iapollo SMART NVR User Manual page 44

4.6.5.4 Multicast
The multiple-cast setup interface is shown as in Figure 4-35.
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
224.0.0.6 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:
Multiple cast IP: 235.8.8.36
Multiple cast PORT: 3666.
After you have logged in to the Web, the Web can automatically get a multiple cast address and
add it to the multiple cast groups. You can enable a real-time monitor function to view the
processes.
Note: multiple cast function applies to the special series only.
© Copyright Qvis ®. All documentation rights reserved.
Figure 4-35
37