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Settings in 1st Router (Options 4&5):
1. DHCP Settings. Locate the LAN or Network setup for the router and look for the DHCP settings. Some
routers are configured to have full DHCP ranges by default which could inhibit setting up a Static IP for
the 2
nd
router. In most instances we will not need to make any changes here and are just interested in
this range. However, if the router has the entire IP range available to DHCP (2-254), you will want to
alter the DHCP range. Typically a home network is set to allow 50-150 DHCP clients and this is more
than enough for most installations. Write down or remember the range.
Note: You may optionally disable DHCP on the 1
st
router if you will be connecting ALL devices
(including devices not associated with Elan like customer PC’s, printers etc.) behind the HL
router. If the device has wireless and you disable DHCP, it is recommended you also disable
wireless to prevent accidental connections to a network that won’t issue IP addresses.
DHCP Reservations: If the router/modem supports “DHCP Reservations”, you may set the 2
nd
routers WAN to Dynamic and create a reservation for it in the 1
st
router as an alternative to
using a static IP. Note that this method is less desirable than using a Static IP.
DHCP Non-editable: If you encounter a modem/router that where the DHCP range isn’t
editable, and there are no available address for static addressing, setting a Static IP within the
range is not recommended, as any address in the DHCP range could be given out--causing an
IP conflict. Using such router/modems should only be done as a last resort, as port forwarding
or DMZ routing through this device will not be reliable.
2. Choose a Static IP. To setup a static IP for the 2
nd
routers WAN port, we need to choose an IP
outside
the DHCP range of the 1
st
router which is not being used by any other devices. Check with your
homeowner for information on any static devices they may have on their network. If you cannot find
this information out, pick an IP outside the DHCP range, for example 192.168.1.5, and ping it.
To Ping, choose Start>Run and type in CMD. This will open the command prompt (black “DOS”
box). Type in “ping 192.168.1.5” without the quotes. If there is no response it is probable this
IP is open and free to use. If there is a response, try another IP until you find one that is free.
You may also use an IP Scanner such as Angry IP Scanner
to help with this step.
3. Setup Port Forwarding or DMZ as described below:
Option
4 : Setup Port Forwarding. Using manufacturer documentation or portforward.com,
setup port forwarding to the static IP you chose in the last step. Portforward.com contains
screenshots and step by step instructions and is a good guideline to follow. Find your router
model and choose any application to follow the guides, remembering to substitute names and
ports as below.
· Name the rules something you’ll remember, like Elan or HL.
· Forward ports 443 and 5001 to the 2nd routers static IP you chose in the last step.
· Configure port 443 for TCP traffic, and port 5001 for BOTH TCP and UDP traffic. If there
is not a “Both” option, setup a separate TCP and UDP rule for port 5001. If you are Port
Forwarding to a MultiBrick, forward ports 443 (TCP) and 2199 (TCP) instead.
Option
5: Place the 2
nd
Routers Static IP in the DMZ. Using manuals or materials from
the internet for assistance set the static IP you chose for the WAN port of the 2
nd
router in the
DMZ of 1
st
router. Recall that all items in DMZ are unprotected, so incoming traffic from all IP
addresses and on all ports will be received by devices in the DMZ. This will allow ports 443 and
5001/2199 to be forwarded correctly by the router in the DMZ to the Elan Controller while other
traffic is filtered out normally by the routers firewall.
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