Date: Sat, 25 Aug 2012 13:22:06 +0200 From: Damien Fleuriot <ml@my.gd> To: Damien Fleuriot <ml@my.gd> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, Giulio Ferro <auryn@zirakzigil.org>, "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: Problem with link aggregation + sshd Message-ID: <E183609A-19E1-4EF4-B08D-FAA55779E193@my.gd> In-Reply-To: <FF06542A-9507-4C8C-99EC-8275B04D4CF1@my.gd> References: <5033FB17.7020600@zirakzigil.org> <503884A0.50708@zirakzigil.org> <FF06542A-9507-4C8C-99EC-8275B04D4CF1@my.gd>
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In the meantime kindly post: Ifconfig for your igb0 Netstat -rn Netstat -aln | grep 22 On 25 Aug 2012, at 13:18, Damien Fleuriot <ml@my.gd> wrote: > I'll get back to you regarding link aggregation when I'm done with groceri= es. >=20 > We use it here in production and it works flawlessly. >=20 >=20 >=20 > On 25 Aug 2012, at 09:54, Giulio Ferro <auryn@zirakzigil.org> wrote: >=20 >> No answer, so it seems that link aggregation doesn't really work in freeb= sd, >> this may help others with the same problem... >>=20 >> I reverted back to one link for management and one for service, and ssh >> works as it should... >>=20 >>=20 >> On 08/21/2012 11:18 PM, Giulio Ferro wrote: >>> Scenario : freebsd 9 stable (yesterday) amd64 on HP server with 4 nic (i= gb) >>>=20 >>> 1 nic is connected standalone to the management switch, the 3 other nics= >>> are connected to a switch configured for aggregation. >>>=20 >>> If I configure the first nic (igb0) there is no problem, I can operate >>> as I normally do and sshd functions normally. >>>=20 >>> The problems start when I configure the 3 other nics for aggregation: >>>=20 >>> in /etc/rc.conf >>> ... >>> ifconfig_igb1=3D"up" >>> ifconfig_igb2=3D"up" >>> ifconfig_igb3=3D"up" >>>=20 >>> cloned_interfaces=3Dlagg0 >>> ifconfig_lagg0=3D"laggproto lacp laggport igb1 laggport igb2 laggport ig= b3 192.168.12.7/24" >>> ... >>>=20 >>> I restart the server and the aggregation seems to work correctly, in >>> fact ifconfig returns the correct lagg0 interface with the aggregated >>> links, the correct protocol (lacp) and the correct ip address and the >>> status is active. I can ping other IPs on the aggregated link. >>>=20 >>> Also the other (standalone) link seems to work correctly. I can ping >>> that address from other machines, and I can ping other IPs from that >>> server. >>>=20 >>> DNS lookups work ok too I can also use telnet to connect to pop3 >>> servers so there seems to be no problem on the network stack. >>>=20 >>> But if I try to connect to the sshd service on that server, it hangs >>> indefinitely. On the server I find two sshd processes: >>> /usr/sbin/sshd >>> /usr/sbin/sshd -R >>>=20 >>> There is no message in the logs. >>>=20 >>> If I try to kill sshd (/etc/rc.d/sshd stop) I can't. it just stays there= >>> forever waiting for the pid to die (it never does) >>>=20 >>> Even ssh client doesn't seem to work. In fact, if I try to connect to >>> another server, the ssh client may start to work correctly, then soon >>> or later it just hangs there forever, and I can't kill it with ctrl-c. >>>=20 >>> No firewall is configured, there is nothing else working on this server.= >>>=20 >>> Thanks for any suggestions... >>> _______________________________________________ >>> freebsd-stable@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >>> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org= " >>=20 >> _______________________________________________ >> freebsd-stable@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"=
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