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Envoy Installation and Operation

 2013 Enphase Energy Inc. 141-00011 Rev 05

DHCP versus Static IP Addressing

If the site owner prefers not to use DHCP, the Envoy can be set up to use a static IP address.

 Use the Envoy’s web-interface to navigate to the ADMINISTRATION page. The Username is

“admin”, and password is “admin”. Click the “Network Connectivity” menu item. This allows

you to see if the Envoy is using DHCP or Static-IP and to change this setting if needed.

 Click “Check Network Connectivity” to view the Envoy connections.

WARNING: Do not change the Envoy DHCP setting to use a static IP address unless you

also reserve the same IP address on your broadband router. See the section on DHCP

Reservations in your router's setup manual. Failure to reserve the static IP address on the

router will result in duplicate IP addresses and intermittent Internet connection problems with

the Envoy.

MAC Filtering

Check to see if MAC filtering is in use at the site. This has nothing to do with Apple Macintosh computers,

but rather, refers to the MAC (Media Access Control) address that each individual network card

possesses. The MAC Address is a 48-bit address, which uniquely identifies that piece of hardware. MAC

filtering, then, is a security mechanism by which routers allow administrators to specify which devices can

use the router for access to the Internet. This prevents unauthorized/unknown personnel from using the

router to get to the Internet.

An example of a MAC address would be:

00:17:F2:D6:B1:45

MAC addresses contain six pairs of characters, including any number 0-9 and letters A-F. The MAC

address of the Envoy will begin with:

00:D0:69:41:

If MAC filtering is in use at the site, you must identify the specific MAC address of your Envoy for the

purpose of adding it to list of authorized devices on the router. To do this, browse to the home page of the

Envoy’s web-service using an ordinary web-browser. The home page contains that specific Envoy unit’s

MAC address. The MAC address is also located on a sticker that is located on the back of the Envoy.

Firewall Settings

The Envoy initiates outbound connections to Internet servers. Such connections may be restricted by

firewall rules set up on the site’s broadband router. Broadband routers typically allow all outbound

connections but restrict any/all inbound connections.

If outbound firewall rules are applied at the site, you must configure a static IP address for the Envoy and

add new rules that allow outbound access as follows:

Direction

Source

Protocol

Port

Destination

OUT

TCP

443

reports.enphaseenergy.com

OUT

TCP

443

securereports.enphaseenergy.com

OUT

TCP

443

home.enphaseenergy.com

OUT

UDP

123

us.pool.ntp.org

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