Date: Fri, 04 Feb 2011 13:13:52 +0100 From: Damien Fleuriot <ml@my.gd> To: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: link aggregation - bundling 2 lagg interfaces together Message-ID: <4D4BED80.5060806@my.gd>
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Hello list, I have a firewall with 2x Intel pro dual port cards. On Intel A , port 1 goes to switch 1, port 2 goes to switch 2 On Intel B , port 1 goes to switch 1, port 2 goes to switch 2 I have created the following 2 lagg devices using LACP: lagg0 = A1 + B1 lagg1 = A2 + B2 This works fine. Now, what I had in mind was creating a lagg2 device using lagg0 and lagg1 with failover. That would provide redundancy in case of a switch failure. ifconfig won't let me though: # ifconfig lagg2 laggproto failover laggport lagg0 laggport lagg1 ifconfig: SIOCSLAGGPORT: Invalid argument I suppose it's not possible to aggregate lagg interfaces ? That would shatter my dreams :(
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