[Openstack-operators] Problem configuring a second external network

Davíð Örn Jóhannsson davidoj at siminn.is
Thu Nov 12 16:39:38 UTC 2015


We have an external network (Internet) working and are trying to configure an additional external network (Intranet)


>From the network nodes we can ping the gateway of the of the Intra network as well as a router created on the external network.


However the instances on the private OpenStack network can not contact either the gateway nor the router and if I trace the ip of the intra router the third hop is the Internet GW (default GW on the network nodes)


Neutron Network node routes

0.0.0.0              192.157.9.1     0.0.0.0                UG    0      0        0 br-ex-internet

192.157.9.0     0.0.0.0              255.255.255.0   U     0      0        0 br-ex-internet

192.22.18.0     192.22.18.1     255.255.255.0   UG    0      0        0 br-ex-intranet
192.22.18.0     0.0.0.0             255.255.255.0    U     0      0        0 br-ex-intranet

Instance routes
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0              192.168.0.1     0.0.0.0         UG    0      0        0 eth0
192.168.0.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0?



Both external networks have routers with configured interfaces on the private network.


Any ideas what I could be missing?
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