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List: freebsd-jail
Subject: [Bug 257038] [Panic] on http traffic to or from jail through vxlan
From: bugzilla-noreply () freebsd ! org
Date: 2021-07-07 10:15:25
Message-ID: bug-257038-29815-vWneOwZNC8 () https ! bugs ! freebsd ! org/bugzilla/
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=257038
--- Comment #2 from capra-freebsd@phcn.de ---
I'll try to describe my Setup as good as I possible:
I have one physical IF connected, it's called em0.
I have 2 vxlan interfaces, endpoint is my router
ifconfig_em0="inet 192.168.1.5 netmask 255.255.255.0 mtu 4000"
create_args_vxlan43="vxlanid 43 vxlanlocal 192.168.1.5 vxlanremote 192.168.1.1"
ifconfig_vxlan43="inet 10.43.0.5 netmask 255.255.255.0 up"
create_args_vxlan44="vxlanid 44 vxlanlocal 192.168.1.5 vxlanremote 192.168.1.1"
ifconfig_vxlan44="inet 10.44.0.5 netmask 255.255.255.0 up"
therefore I have to use fibs to have several routing tables, they are pretty
simple
setfib 1 route add -net 10.44.0.0/24 -iface vxlan44
setfib 2 route add -net 10.43.0.0/24 -iface vxlan43
# Default route
setfib 1 route add default 10.44.0.1
setfib 2 route add default 10.43.0.1
furthermore I use bhyve based virtual machines in my setup, they are connected
to the vxlan interfaces and work just fine.
NAME TYPE IFACE ADDRESS PRIVATE MTU VLAN PORTS
phcn standard vm-phcn - no - - vxlan43
DMZ standard vm-DMZ - no - - vxlan44
the problem starts with the jail that are connected to vxlans, for example this
one:
cat /zroot/iocage/jails/phcn-zabbix/config.json
{
"boot": 0,
"depends": "psql",
"exec_fib": "2",
"host_hostname": "phcn-zabbix",
"host_hostuuid": "phcn-zabbix",
"ip4_addr": "lo1|127.0.1.10/8,vxlan43|10.43.0.10/24",
"jail_zfs_dataset": "iocage/jails/phcn-zabbix/data",
"last_started": "2021-07-07 10:06:19",
"release": "12.2-RELEASE-p6"
}#
when I try to connect to the zabbix webui, or if I use the jail console to
curl www.google.de the host crashes.
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