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OpenBSD General Other questions regarding OpenBSD which do not fit in any of the categories below. |
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Trunk failover issue
Hi All
I'm having problems configuring a trunk port in failover mode for openBSD 4.9. The situation is this, I have one bsd with two interfaces(vic0 and vic1) that are directly connected to a simple switch on the third port of the switch I have a windows machine. The idea is that I want the BSD to have redundant interfaces and I want to do it by uniting the two vic cards in to one failover trunk interface. It looks simple but no matter what I try it is not working: This is my configuration: # ifconfig vic0: flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,S IMPLEX,MULTICAST> mtu 1500 lladdr 00:0c:29:87:da:42 priority: 0 trunk: trunkdev trunk10 media: Ethernet autoselect status: active inet6 fe80::20c:29ff:fe87:da4c%vic0 prefixlen 64 scopeid 0x1 vic1: flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,S IMPLEX,MULTICAST> mtu 1500 lladdr 00:0c:29:87:da:42 priority: 0 trunk: trunkdev trunk10 media: Ethernet autoselect status: active inet6 fe80::20c:29ff:fe87:da56%vic1 prefixlen 64 scopeid 0x2 trunk10: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 lladdr 00:0c:29:87:da:42 priority: 0 trunk: trunkproto failover trunkport vic1 trunkport vic0 master,active groups: trunk media: Ethernet autoselect status: active inet6 fe80::20c:29ff:fe87:da42%trunk10 prefixlen 64 scopeid 0x9 inet 10.30.0.5 netmask 0xffffff00 broadcast 10.30.0.255 # The windows machine has IP: 10.30.0.100/24 and at the moment the ping is going fine but if I put vic0 down the ping stops ;( Please advice on how can this be fixed or if Im missconfiguring something! Thanks in advance! Best Regards |
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Code:
CAVEATS The trunk protocols loadbalance and roundrobin require a switch which supports IEEE 802.3ad static link aggregation; otherwise protocols such as inet6(4) duplicate address detection (DAD) cannot properly deal with duplicate packets.
__________________
The best way to learn UNIX is to play with it, and the harder you play, the more you learn. If you play hard enough, you'll break something for sure, and having to fix a badly broken system is arguably the fastest way of all to learn. -Michael Lucas, AbsoluteBSD |
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Thank you for the answers!!
Yes you are correct, I'm using VMWorkstation to run those test, but I have a phisical machine with two realteck cards in it and the issue is still the same, I looked a lot in google but it doesn't seem like someone else is having the same issue. Also you were right when I unplug the cable everything is working fine (Thanks for that), but I still don't understand if this is the way it should work. If you ask me if I put the master card down the other should take its load Thanks for those answers guys |
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Somehow when it comes to interface bonding/balancing/failover I think about LACP first.
__________________
The best way to learn UNIX is to play with it, and the harder you play, the more you learn. If you play hard enough, you'll break something for sure, and having to fix a badly broken system is arguably the fastest way of all to learn. -Michael Lucas, AbsoluteBSD |
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