Brian Buhrow <buhrow%nfbcal.org@localhost> writes: > Hello. I've just noticed an issue where broadcast traffic on vlans > also shows up on the parent interface. My environment is NetBSD-5.1/i386 > with the wm(4) driver. I'm not sure yet if the problem is specific to the > wm(4) driver or if it's a more general issue. The bug didn't exist in > NetBSD-4.x. > To repeat, set up a vlan in addition to the parent interface as a subnet. > Then, run dhcpd so that it can listen and hand out addresses on both > networks. Put a dhcp client on the vlan and watch its broadcasts show up > on both the vlan and parent interfaces of the dhcp serving box. > Has anyone else seen this issue? Should I file a bug? What do you mean 'shows up'? Are you using tcpdump/pcap? Is it wrong for vlan-tagged traffic to appear on the parent? Or do you mean packets arriving at the IP layer?
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