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Date:      Sun, 21 Jul 2019 20:17:08 +0200
From:      Pierre Dupond <76nemo76@gmx.ch>
To:        freebsd-questions@freebsd.org
Subject:   Assign an IP address to a bridge fail
Message-ID:  <240458a3-789a-7368-1848-e7dc66bb2eb7@gmx.ch>

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Hi all,

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 I am facing a stran=
ge problem. Just after installing a fresh

Freebsd 12 on an Pc Engines APU machine, I build a bridge with the 4

network cards.


If I try to setup the address of the bridge in the "/etc/rc.conf" file,
I can not ping (outside the address

given to the bridge). But if I comment the line for setting the address
in the file

"/etc/rc.conf" and I set the address manually with the command

"ifconfig bridge0 inet 172.16.0.11 netmask 255.255.254.0" the ping works.

Do I have made an obvious mistake in the "rc.conf" file? What could be
the reason of this problem?

Any ideas would be greatly appreciated.


best regards,


=2D---------------------------------Content of the rc.conf
file----------------------------------------------------------
root@oche:~ # cat /tmp/rc.conf
cat: /tmp/rc.conf: No such file or directory
root@oche:~ # cat /etc/rc.conf
cloned_interfaces=3D"bridge0"
ifconfig_bridge0=3D"addm igb0 addm igb1 addm igb2 addm igb3 up"
ifconfig_igb0=3D"up"
ifconfig_igb1=3D"up"
ifconfig_igb2=3D"up"
ifconfig_igb3=3D"up"
ifconfig_bridge0=3D"inet 172.16.0.11 netmask 255.255.254.0"
defaultrouter=3D"172.16.0.10"
#
#Reste de la config
#------------------
#
clear_tmp_enable=3D"YES"
hostname=3D"oche.local.sourire.ch"
sshd_enable=3D"YES"
ntpdate_enable=3D"YES"
ntpd_enable=3D"YES"
powerd_enable=3D"YES"
# Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable
dumpdev=3D"AUTO"

=2D----------------------------------------------Info about the bridge and
ping commands

bridge0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
1500
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ether 02:91:bc:80:6d:00
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 inet 172.16.0.11 netmask 0xffff=
fe00 broadcast 172.16.1.255
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 id 00:00:00:00:00:00 priority 3=
2768 hellotime 2 fwddelay 15
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 maxage 20 holdcnt 6 proto rstp =
maxaddr 2000 timeout 1200
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 root id 00:00:00:00:00:00 prior=
ity 32768 ifcost 0 port 0
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 groups: bridge
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 nd6 options=3D9<PERFORMNUD,IFDI=
SABLED>
root@oche:~ # ping 172.16.0.11
PING 172.16.0.11 (172.16.0.11): 56 data bytes
64 bytes from 172.16.0.11: icmp_seq=3D0 ttl=3D64 time=3D0.221 ms
64 bytes from 172.16.0.11: icmp_seq=3D1 ttl=3D64 time=3D0.202 ms
64 bytes from 172.16.0.11: icmp_seq=3D2 ttl=3D64 time=3D0.203 ms
^C
=2D-- 172.16.0.11 ping statistics ---
3 packets transmitted, 3 packets received, 0.0% packet loss
round-trip min/avg/max/stddev =3D 0.202/0.209/0.221/0.009 ms
root@oche:~ # ping 172.16.0.10
PING 172.16.0.10 (172.16.0.10): 56 data bytes
ping: sendto: Host is down
ping: sendto: Host is down
ping: sendto: Host is down
ping: sendto: Host is down
^C
=2D-- 172.16.0.10 ping statistics ---
4 packets transmitted, 0 packets received, 100.0% packet loss




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