III.Initial Configuration
Computer IP address configuration:
If the HDHomeRun TECH is connected directly to a computer (no DHCP server) the computer will
need to be configured such that it has a 169.254.x.x IP address (subnet 255.255.0.0). This can be
achieved by statically configuring a 169.254.x.x IP address, or by the computer assigning itself an
AutoIP address.
Windows: Windows will pick an AutoIP address after a period of time if configured to “obtain an IP
address automatically”. This takes 3 minutes on XP and 30 seconds on Vista. Setting a static
169.254.x.x IP address will avoid this delay.
The HDHomeRun will take 20 seconds from link-up until it can be addressed using an AutoIP
address.
Default IP Address:
By default the HDHomeRun TECH will attempt to acquire an IP address using DHCP, as well as
choosing an AutoIP address in the 169.254.x.x range.
If The HDHomeRun TECH is on the same DHCP-managed subnet as the computer or is connected
directly to the computer then the unit can be addresses by Device ID. It is not necessary to know
the IP address.
Methods to determine the IP address of the HDHomeRun TECH:
• If using DHCP and the computer is on the same subnet as the HDHomeRun TECH, run
“hdhomerun_config discover” from a shell.
• If using DHCP and the computer is on a different subnet then check the DHCP server logs.
The HDHomeRun TECH reports a hostname of “HDHR-XXXXXXXX” where XXXXXXXX is the
Device ID printed on the bottom of the unit.
• If the HDHomeRun TECH is directly connected to the computer the computer will need to
be configured such that it has a 169.254.x.x IP address (subnet 255.255.0.0). This can be
achieved by statically configuring a 169.254.x.x IP address, or by the computer assigning
itself an AutoIP address. Run “hdhomerun_config discover” from a shell.
• If the HDHomeRun TECH has been previously configured with a static IP address and that
IP address is no longer valid for the network then connect the HDHomeRun TECH directly
to a computer and use the direct-connect technique to communicate with the unit.
Setting the IP address:
DHCP local subnet:
The HDHomeRun TECH can be addressed by device ID if it is on the same DHCP-managed subnet
as the computers that will be controlling it. It is not necessary to set an IP address.
DHCP Fixed assignment:
Most DHCP servers can be configured to assign a set IP address to a specific device. The
HDHomeRun TECH can be identified by the DHCP server by MAC address or by hostname. The
hostname will be reported as “HDHR-XXXXXXXX” where XXXXXXXX is the Device ID printed on
the bottom of the unit. The MAC address is printed on the bottom of the unit.
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