Hello,
i'm trying to implement jails over multiples networks, using VLANs, with
different default routes. The network stack is simple
igb0-3 into lagg0
vlan 10-30 over lagg0
jails over VLANs using a fib for each VLAN (but no fib set on the VLAN iface
itself)
Whereas it works for a week on my server, after a reboot, the outgoing packets
aren't routed to lagg and then outgoing requests doesn't work (like DNS
requests), i don't find why.
The fib is correctly set
/etc/rc.local:
setfib 1 route add -net 192.168.136.0/24 -iface vlan136
setfib 1 route add default 192.168.136.254
root@jh1:~ # setfib 1 netstat -rnfinet
Routing tables (fib: 1)
Internet:
Destination Gateway Flags Netif Expire
default 192.168.136.254 UGS vlan136
192.168.136.0/24 ac:16:2d:96:e5:04 US vlan136
and the jails are correctly configured:
root@jh1:~ # cat /var/run/jail.idevmysql.conf
# Generated by rc.d/jail at 2015-02-27 10:38:05
devmysql {
host.hostname = "devmysql.local.net";
path = "/jails/dev/devmysql";
ip4.addr += "vlan136|192.168.136.50/32";
exec.fib = "1";
allow.raw_sockets = 0;
exec.clean;
exec.system_user = "root";
exec.jail_user = "root";
exec.start += "/bin/sh /etc/rc";
exec.stop = "";
exec.consolelog = "/var/log/jail_idevmysql_console.log";
mount.fstab = "/etc/fstab.idevmysql";
mount.devfs;
mount.fdescfs;
mount += "procfs /jails/dev/idevmysql/proc procfs rw 0 0";
allow.mount;
allow.set_hostname = 0;
allow.sysvipc = 0;
}
Routing is also enabled:
root@jh1:~ # sysctl net.inet.ip.forwarding
net.inet.ip.forwarding: 1
If we are trying to contact the jail from an external host, for example with
ansible, the SSH connection works very well but it seems outgoing initiated
connections are staying on vlan136 but not forwarded to lagg0.
Have you got any idea ?
Thanks in advance
Regards,
Loïc Blot,
UNIX Systems, Network and Security Engineer
http://www.unix-experience.fr (http://www.unix-experience.fr)
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