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ALIEN MEGA/MAX USER MANUAL
136
Click
Apply
and
Back
.
9. Now Re-enter
Setup
,
Network
and
NAT/UPnP
and see if the ports are
active
and
remain the same, in
both External
and
Port
port columns.
10. If the ports are active, automatic port forwarding has worked. If they are
active
but
not the ports
detailed in step 8 click the
Auto down arrow key
and select
Manual
. Then click on edit signature and change the port numbers to
8240
(Server),
80
(HTTP) and
1240
(RTSP). Then click
Apply
then
Back
.
11. Check
UPnP
ports (
Setup, Network, NAT/
UPnP) are the correct ports and are
all active
. If they are then port forwarding has worked so go to
Process 5
. If not,
untick Enable
UPnP
,
Apply
then
Back
and
Exit
menu completely. You will now
need to do manual port forwarding.
2. Checking to ensure that the PC can see the DVR locally
12. Ensure the menu in the DVR is closed and go to the Windows PC keyboard that is
connected to the router.
13. Ensure the PC is on the network and press the
Windows button
and the letter
R
to open a Command Run box.
14. In the run box type
CMD
then
enter
or click
OK
.
15. A black MSDOS screen will now be displayed with a flashing cursor.
16. Type
ping <space> <IPv4 Address supplied by DHCP in step 4>
and
Enter
17. Check
packets sent
,
packets received
and
packets lost
at bottom of reply.
18. If not
4
packets sent
,
4
packets received
and
0
packets lost
you have a problem
with communication between the PC sending test data through the router to the
DVR and returning to the PC. You can try pinging the router by going to step 13
through 15 and then type
ping <space> <IPv4 Default Gateway Address>
supplied by DHCP in step 4. The IPv4 Default Gateway address is the router
local address. If packets are still lost the problem is no/bad connection between
PC and router, but if okay then problem is between router and DVR. Do not
proceed further until
4
packets sent
,
4
packets received
and
0
packets lost
is
displayed.
3. Setting up port forwarding
19. If the NAT/UPnP option has not worked, then port forwarding will have to be
done manually. The purpose of port forwarding is for the router to allow
communication on a predetermined incoming port received on the external side of the
router, to be passed through the router firewall to the local address of the DVR. The
DVR will process the data and return it to the router using the IPv4 Default Gateway
Address which is the router’s local address.