Date: Fri, 20 May 2016 08:30:20 +0200 From: Aqz <poczta@aquaz.eu> To: freebsd-net@freebsd.org Subject: Bridge interface and ARP traffic Message-ID: <CACz0%2BRFx7jq%2BDVSwvPUdnHH0UkomYsCgpYqNr%2BRrF6iZNuXA8Q@mail.gmail.com>
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Hello, I have a very strange issue with passing ARP traffic through bridge interface. I'm using FreeBSD 10.3-REL VMWare virtual machine as bridge between two networks using the same IP address space. Bridge interface doesn't have IP address assigned so it acts more like a switch between those two virtual networks - let's call them NET and PUB. Gateway for our network is in NET vlan, all the virtual machines are in the PUB vlan. Traffic passes through this bridge, but there are few problems. I have to manually add static ARP table entries for gateway on all the machines in PUB network - I can see ARP broadcasts from machines asking where's the gateway, and the reply but only on one of bridged interfaces - the one from NET side. The response is not visible on bridge interface, nor the PUB vlan interface. Also, when I try to ping a machine that's in NET network from PUB network all network traffic suddenly stops, even when I'm pinging some nonexistent host. I have to use virtual console and ping for ex. DNS server, or any internet host to make traffic start again. I'm not sure what I'm doing wrong - I've been using a similar configuration before (with physical machines). Here's my ifconfig output http://aquaz.eu/bridgeifconfig.txt -- Wojtek www.aquaz.eu
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