Wait, so you think it's easier to have to setup the bridge, and all
associated activities to that, and then setup the interface in simh,
compared to just setup the interface in simh?
How do you figure that?
Johnny
On 2016-03-04 18:10, Peter Svensson wrote:
I have always found the tap+bridge style easier than pcap. It works just
as you would expect a separate computer to work. With pcap I was never
sure what happened when talking to the local computer.
Bridged virtual interfaces is what you use for other virtual machines,
why not simh?
Peter
On March 4, 2016 4:46:50 PM GMT+01:00, Mark Pizzolato
<[email protected]> wrote:
Joshua,
PLEASE consider Scott's configuration as advanced configuration details
that you may want to deploy when you are polishing up what you're putting
together. DO NOT start with this stuff. Start with basic pcap networking
and migrate your existing system environment to a simh instance and
get that completely working before considering this stuff. In other words,
learn to walk before you try running!
- Mark
On Friday, March 4, 2016 at 7:15 AM, Scott Bailey wrote:
Sigh. No matter how many times I re-read before sending, it
doesn't matter.
Let me expand on this:
1. in /etc/rc.local, I have this snippet to make sure the
network tap
device I need is ready to go:
if ! ip link show tap0 ; then
tunctl -t tap0
ifconfig tap0 up
brctl addif br0 tap0
fi
Here, tap0 is the device I am setting up for my virtual VAX
and br0 is
my physical interface. (As a reminder, going through this
rather than
putting simh directly on the physical interface is what
enables your
virtual VAX and your Debian host to talk to each other.)
Actually, of course, br0 is a bridge device that lets me connect
tap0 to my
physical interface. I have this in /etc/network/interfaces:
# The bridge interface
auto br0
iface br0 inet static
bridge_ports eth1
address X.Y.Z.3
broadcast X.Y.Z.255
netmask 255.255.255.0 <http://255.255.255.0>
gateway X.Y.Z.1
That is, if you current specify a device (like eth1) directly,
transfer its settings to
br0 and attach the original NIC as a bridge port. [Or change
instances of "eth1"
to "br0", then add the "bridge_ports eth1" line.] Then continue
as I originally
described...
Cheers,
Scott
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