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Frequently Asked Questions for FreeBSD 2.X
: Networking
: I've heard that you can use a FreeBSD box as a dedicated network router - is there any easy support for this?
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10.2. I've heard that you can use a FreeBSD box as a dedicated network router - is there any easy support for this?
Internet standards and good engineering practice prohibit us from
providing packet forwarding by default in FreeBSD. You can
however enable this feature by changing the following variable to
YES
in /etc/sysconfig
:
# If you want this host to be a gateway, set to YES.
gateway=YES
This option will put the sysctl
variable
net.inet.ip.forwarding
to 1
.
In most cases, you will also need to run a routing process to
tell other systems on your network about your router; FreeBSD
comes with the standard BSD routing daemon routed(8)
, or for
more complex situations you may want to try GaTeD (available
by FTP from ftp.gated.Merit.EDU
) which supports FreeBSD as
of 3_5Alpha7.
It is our duty to warn you that, even when FreeBSD is configured
in this way, it does not completely comply with the Internet
standard requirements for routers; however, it comes close enough
for ordinary usage.
Frequently Asked Questions for FreeBSD 2.X
: Networking
: I've heard that you can use a FreeBSD box as a dedicated network router - is there any easy support for this?
Previous: Where can I get information booting FreeBSD ``diskless'', that is booting and running a FreeBSD box from a server rather than having a local disk?
Next: Does FreeBSD support SLIP and PPP?
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