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Added FAQ for interface environment variable.

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skarg
2007-10-09 16:16:33 +00:00
parent 8ceee148a5
commit 884350b10c
1 changed files with 16 additions and 0 deletions
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bacnet-stack/doc/README.faq
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@@ -265,3 +265,19 @@ datalink layer. Make server application on one datalink layer and make
client applications on another datalink layer. client applications on another datalink layer.
4. Add external BACnet router or BACnet devices. Run a BACnet 4. Add external BACnet router or BACnet devices. Run a BACnet
demo/server on another PC. demo/server on another PC.
Q-16: My Linux computer doesn't use eth0 for for the BACnet connection.
My Windows computer has more than one network connnection. How can I
choose the interface to use for the demo applications?
A-16: Set the environment variable BACNET_IFACE. For Windows, set
BACNET_IFACE=169.254.119.240 or whatever the address of the interface
returned by ipconfig command. For Linux, use BACNET_IFACE=eth0 or whatever
the name of the interface returned by the ifconfig command.
Setting the environment variable under Windows can be done on the command
line:
> set BACNET_IFACE=169.254.119.240
Setting the environment variable under Linux can be done from the command
line:
$ BACNET_IFACE=ath0
$ export BACNET_IFACE