On the trail of a dummynet/bridge/ipfw bug.

PROBLEM DESCRIPTION I have a bridge set up on a 7.0 box and am attempting to use it to limit HTTP connections outgoing from a box behind it to 192Kbit/s for testing. During this testing I ran into some problems. At first, I found that the number of simultaneous pipes was limited to 1024,

Re: bridge + ipfw

There seem to be a problem setting up bridge + ipfw using the fxp Intel Pro 100 cards. The problem doesn't exist on NE2000 cards. The same set of ipfw rules and same configuration work on NE2000 cards. Does anybody know if there is a problem with 100Mbit cards, the intel pro in particular

Re: bridge + ipfw

The above doesn't explain why everything work under ne2000 cards but not intel etherexpress pro 100. Same set of rules allow arp entries through ne2000 cards but not intel. Also from /etc/rc.firewall that came with FreeBSD 4.2: # If you're using 'options BRIDGE', uncomment the following line

bridge + ipfw

There seem to be a problem setting up bridge + ipfw using the fxp Intel Pro 100 cards. The problem doesn't exist on NE2000 cards. The same set of ipfw rules and same configuration work on NE2000 cards. Does anybody know if there is a problem with 100Mbit cards, the intel pro in particular