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From: Dave McCammon <davemac11@yahoo.com>
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Subject: Re: bridge - bridge box disappears from the network (even though it
	h as an ip assigned to one of the interfaces)
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--- Fredrick Nilsson <fredrick.nilsson@framfab.se>
wrote:
> Hello!
> 
> I've spent almost the entire evening trying to track
> this down. But it seems
> that I'm totally stucked. Hopefully, someone out
> there has a solution :)
> 
> Anyway, here's the problem:
> 
> I'm using bridge, but I'm not able to contact the
> bridge box over the
> network. This only applies to the boxes that are
> using the bridge. If a box
> outside the "bridged" enviroment, tries to contact
> the bridge box, there's
> no problem what so ever. 
> 
> The interface that is assigned an ip, is the
> external interface (the one
> connected to my vdsl-modem), and it gets it's ip
> from a DHCP server. 
> 
> This is my relevant (at least, I hope so ;)
> configurations:
> 
> Kernel-config
> options BRIDGE
> options IPFIREWALL
> options IPFIREWALL_VERBOSE
> options IPFIREWALL_DEFAULT_TO_ACCEPT
> 
> /etc/sysctl.conf
> net.link.ether.bridge_cfg=fxp0,rl0
> #net.link.ether.bridge_ipfw=1 (yes, for now i
> commented ipfw filtering, just
> to make sure that some misconfiguration, was the
> cause of my problem)
> net.link.ether.bridge=1
> 
> /etc/rc.conf
> ifconfig_fxp0="DHCP"
> ...
> firewall_enable="YES"
> firewall_type="open"
> firewall_quiet="YES"
> firewall_logging="YES"
> 
> Br
> .fredrick

Do the boxes on the "inside of bridge" have ip
addresses on the same subnet as the dhcp assigned ip
on bridge box? 
If you are trying to use different address ranges than
you are having a routing problem.


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