Date: Mon, 29 Apr 1996 16:34:42 -0600 From: rjb@intac.com To: questions@freebsd.ORG Subject: Porting if_vif.c to FreeBSD 2.0.5... Message-ID: <v01510100adaae46a1ea0@[198.6.114.59]>
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Has anyone had any experience porting John Ionnidis's vif (virtural interface)
code to FreeBSD?
I'm running an NCSA 1.5 web server under FBSD 2.0.5 and wish to create
virtual hosts for individual domains. After downloading the vif.info code from
NCSA's home page I successfully compiled a new kernel from the code in vif.info.
I'm ready to try the new kernel, however, not sure how to use the ifconfig
and route commands as per Mr. Ionnidis's examples. Since sysconfig handles
the inet config and routing indirectly I'm thinking /etc/netstart might have
to be edited.
Here's a snippet from Mr. Ionnidis's overview:
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
"Let's say your primary inferface's IP address is 198.3.2.1, and you also
want it to respond to addresses 198.4.3.2 and 198.5.4.3 (note that these are
three distinct class C addresses in three distinct class C nets). Here are
the ifconfigs:
ifconfig le0 198.3.2.1 up -trailers # config primary interface
ifconfig vif0 198.4.3.2 up # config first virtual interface
route delete net 198.4.3 198.4.3.2 # delete spurious route
route add host 198.4.3.2 198.4.3.2 0 # add route for this i/f
ifconfig vif0 198.5.4.3 up # config first virtual interface
route delete net 198.5.4 198.5.4.3 # delete spurious route
route add host 198.5.4.3 198.5.4.3 0 # add route for this i/f
The route deletes are needed because the ifconfig creates a default route
to the interface's network, which can cause problems; all that's needed is
the (host) route to the interface's address.
Now, get le0's ethernet address (say, 8:0:20:3:2:1), and add the following
static ARP entries:
arp -s 198.4.3.2 8:0:20:3:2:1 pub
arp -s 198.5.4.3 8:0:20:3:2:1 pub
This will cause any ARP requests for the VIF addresses to be replied with
your machine's ethernet address."
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Basically I need to know how to write the above into /etc/sysconfig or edit
/etc/netstart. Any suggestions?
Thanx
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