On 11/6/2018 3:08 PM, Siva Teja ARETI wrote:
On Tue, Nov 6, 2018 at 5:42 PM Gregory Rose <[email protected]
<mailto:[email protected]>> wrote:
On 11/6/2018 8:51 AM, Siva Teja ARETI wrote:
Hi Greg,
Thanks for looking into this.
I have two VMs in my setup each with two interfaces. Trying to
setup the VXLAN tunnels across these interfaces which are in
different subnets. A docker container is attached to ovs bridge
using ovs-docker utility on each VM and doing a ping from one
container to another.
Hi Siva,
In reading through the documentation and looking at your
configuration I noticed that when using the
local_ip option the remote_ip is not set to flow. If the local_ip
option is specified then remote_ip must
equal flow.
From the documentation (man ovs-vswitchd.conf.db):
options : local_ip: optional string
Optional. The tunnel destination IP that received
packets must
match. Default is to match all addresses. If
specified, may be
one of:
· An IPv4/IPv6 address (not a DNS name), e.g.
192.168.12.3.
· The word flow. The tunnel accepts packets
sent to any of
the local IP addresses of the system
running OVS. To
process only packets sent to a specific IP
address, the
flow entries may match on the tun_dst or
tun_ipv6_dst
field. When sending packets to a
local_ip=flow tunnel,
the flow actions may explicitly set the
tun_src or
tun_ipv6_src field to the desired IP address,
e.g. with a
set_field action. However, while routing
the tunneled
packet out, the local system may override
the specified
address with the local IP address configured
for the out‐
going system interface.
This option is valid only for tunnels
also configured
with the remote_ip=flow option.
As I understand this documentation, option local_ip=flow can only be
specified when remote_ip=flow is also specified. Otherwise, ovs-vsctl
throws this error I guess?
[root@vm1 ~]# ovs-vsctl add-port testbr0 vxlan1 -- set interface
vxlan1 type=vxlan options:local_ip=flow options:remote_ip=30.30.0.193
options:dst_port=4789
ovs-vsctl: Error detected while setting up 'vxlan1': vxlan1: vxlan
type requires 'remote_ip=flow' with 'local_ip=flow'. See ovs-vswitchd
log for details.
ovs-vsctl: The default log directory is "/var/log/openvswitch".
Please try using the remote_ip=flow option and then configuring
the proper flow and action.
Anyways, I also tried by specifying remote_ip=flow option when
creating the tunnel. But I still the same issue
I see. It appears you are right and I misread the documentation. OK,
l'll investigate further then.
- Greg
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