On 4/29/2019 12:21 AM, Aitor Zabala Orive wrote:
Hi,
We are currently working with OVS in order to be capable of routing
traffic through different interfaces connecting to the internet. In
order to maintain private ip addressing we are using gre tunnel OVS
implementation. However, we are incapable of binding GRE tunnels to
specific network interfaces, where tunneled traffic should be
forwarded and finally egress. Once traffic egress the gre Openflow
port in the OVS, it seems it uses Linux routing table to forward the
traffic to the corresponding network interface. Under this situation,
we are incapable of using gre ports in OVS to load balance traffic
matched in the OVS to different interfaces, as traffic will normally
use the single default route in Linux routing table.
Can anyone shine some light to this problem?
Questions like these come up often and I always try to remind and/or
inform people that IP addresses in
Linux belong to the system, not interfaces. Same goes for the routing
table. Using gre ports to do load
balancing is something I've never heard of.
- Greg
Thank you in advance,
**
Aitor
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