[VLAN] broadcasts go where?
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On Fri, May 19, 2006 at 03:05:39PM -0300, Carlos Carvalho wrote: > I've grouped machines in the department in vlans, so they only > communicate inside their group. We also have some servers which > must be accessible by everyone, so I put them in all vlans. They > have the same IP in all vlans. > > Everything works fine except that broadcasts from the servers don't > reach all machines, only those in the eth0 group, that is, the > untagged vlan. So I ask if there's a way to make the server > broadcast in all vlans. I would suggest that you either use per-VLAN IP networks, or make a bridge of all VLAN interfaces on the Linux system and use iptables to control intra-VLAN-traffic. Something like setup 1b perhaps: http://marc.theaimsgroup.com/?m=105098558615614 To run dhcpd successfully (if you want to) you'll also need to do vconfig set_flag eth1.2 1 1 for each VLAN interface included in the bridge. //Peter
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