Date: Fri, 26 Aug 2011 21:00:31 +0000 From: Johan Hendriks <Johan@double-l.nl> To: "freebsd-current@freebsd.org" <freebsd-current@freebsd.org> Subject: RE: CARP on 9.0 (was no subject) Message-ID: <6C3F8332272B7D4DA26909F15F1C90E1E5B424@SRV01.double-l.local> In-Reply-To: <6C3F8332272B7D4DA26909F15F1C90E1E5ACC4@SRV01.double-l.local> References: <6C3F8332272B7D4DA26909F15F1C90E1E5AC4C@SRV01.double-l.local> <20110826180517.4e4e585f@mr12941>, <alpine.BSF.2.00.1108261210070.45497@vger.digitalfreaks.org>, <6C3F8332272B7D4DA26909F15F1C90E1E5ACC4@SRV01.double-l.local>
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SOLVED!=0A=
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Was a typo in /etc/sysctl.conf=0A=
Sorry for the noise=0A=
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and thanks for your time.=0A=
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regards=0A=
Johan=0A=
________________________________________=0A=
Van: owner-freebsd-current@freebsd.org [owner-freebsd-current@freebsd.org] =
namens Johan Hendriks [Johan@double-l.nl]=0A=
Verzonden: vrijdag 26 augustus 2011 20:22=0A=
Aan: Brian Seklecki (Mobile); freebsd-questions@freebsd.org=0A=
CC: freebsd-current@freebsd.org=0A=
Onderwerp: RE: CARP on 9.0 (was no subject)=0A=
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>How about:=0A=
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> %sudo netstat -s carp=0A=
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>...on both machines.=0A=
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>A few years ago I submitted (or maybe it was Steve Polyack) a patch to add=
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>debugging to CARP, not sure if it ever got commited.=0A=
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>Need-more-Cisco'sih-Debugging.=0A=
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>~BAS=0A=
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>On Fri, 26 Aug 2011, Patrick Lamaiziere wrote:=0A=
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>> Le Fri, 26 Aug 2011 15:26:28 +0000,=0A=
>> Johan Hendriks <Johan@double-l.nl> a ?crit :=0A=
>>=0A=
>>> I am trying to set up CARP under 9.0=0A=
>>=0A=
>> ...=0A=
>>=0A=
>>> Also with a higer value like advskew 200 or 254 the role of the=0A=
>>> servers stays the same.=0A=
>>=0A=
>> Ok, there is something wrong so.=0A=
>>=0A=
>> Did you check that the sysctl net.inet.carp.suppress_preempt is equal=0A=
>> to zero ? If yes, I don't have any more idea.=0A=
>>=0A=
>> Regards.=0A=
=0A=
Hello=0A=
first off all thanks for your time.=0A=
=0A=
sysctl -a | grep carp on both machines give me the following output=0A=
=0A=
sysctl -a | grep carp=0A=
device carp=0A=
net.inet.ip.same_prefix_carp_only: 0=0A=
net.inet.carp.allow: 1=0A=
net.inet.carp.preempt: 0=0A=
net.inet.carp.log: 2=0A=
net.inet.carp.arpbalance: 0=0A=
net.inet.carp.suppress_preempt: 0=0A=
=0A=
=0A=
netstat -s on the master=0A=
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carp:=0A=
260 packets received (IPv4)=0A=
0 packets received (IPv6)=0A=
0 packets discarded for wrong TTL=0A=
0 packets shorter than header=0A=
0 discarded for bad checksums=0A=
0 discarded packets with a bad version=0A=
0 discarded because packet too short=0A=
0 discarded for bad authentication=0A=
0 discarded for bad vhid=0A=
0 discarded because of a bad address list=0A=
11430 packets sent (IPv4)=0A=
0 packets sent (IPv6)=0A=
0 send failed due to mbuf memory error=0A=
=0A=
netstat -s on the slave=0A=
=0A=
carp:=0A=
11735 packets received (IPv4)=0A=
0 packets received (IPv6)=0A=
0 packets discarded for wrong TTL=0A=
0 packets shorter than header=0A=
0 discarded for bad checksums=0A=
0 discarded packets with a bad version=0A=
0 discarded because packet too short=0A=
0 discarded for bad authentication=0A=
0 discarded for bad vhid=0A=
0 discarded because of a bad address list=0A=
448 packets sent (IPv4)=0A=
0 packets sent (IPv6)=0A=
0 send failed due to mbuf memory error=0A=
=0A=
tcpdump -i bge0 on slave=0A=
=0A=
20:10:48.868200 IP 192.168.50.40 > vrrp.mcast.net: VRRPv2, Advertisement, v=
rid 1, prio 50, authtype none, intvl 1s, length 36=0A=
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Here the advskew is set to 50, on the slave it is 20.=0A=
So the slave should be the master.=0A=
if i raise the advskew to 254, i see the change in the capture.=0A=
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Both machines are fresh install with nothing changed on them so far just a =
fresh build from a csup this morning.=0A=
And installed bash as the shell..=0A=
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for freebsd-current@ the /etc/rc.conf file again=0A=
Master=0A=
ifconfig_bge0=3D"inet 192.168.50.40 netmask 255.255.255.0"=0A=
defaultrouter=3D"192.168.50.150"=0A=
# CARP=0A=
cloned_interfaces=3D"carp0"=0A=
ifconfig_carp0=3D"vhid 1 advskew 10 pass letmepass 192.168.50.45 netmask 25=
5.255.255.0"=0A=
=0A=
On the slave i have the following in /etc/rc.conf=0A=
ifconfig_bge0=3D"inet 192.168.50.41 netmask 255.255.255.0"=0A=
defaultrouter=3D"192.168.50.150"=0A=
# CARP=0A=
cloned_interfaces=3D"carp0"=0A=
ifconfig_carp0=3D"vhid 1 advskew 20 pass letmepass 192.168.50.45 netmask 25=
5.255.255.0"=0A=
=0A=
regards,=0A=
Johan=0A=
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