[Openstack] Seeking external network setup advice

Olivier Cant olivier.cant at exxoss.com
Tue Aug 19 13:33:18 UTC 2014


Hi list,

I've been trying to set up an external network for a few days and this 
driving me crazy.  I have a topology close to the one described in the 
ubuntu 14.04 documentation for icehouse (using networking not legacy)

My setup is completely running under vitrualbox as this is just a POC at 
the moment, I have checked that my neutron node is allowed to put its 
network interface in promiscuous mode which seem to be the case but none 
of the interface on my neutron node actualy get put in promisc mode.

My external network is 192.168.199.0/24 (I don't have a public network 
available) and I have an external router providing gateway on 
192.168.199.1.  my pool is defined from .101 to .150
However I cannot ping .101 from the external router. I have tried adding 
an extra network interface to the neutron node plugged in on the same 
network as the external router (.45) and from that one I can ping the 
router just fine.

My questions are :
Is it normal that none of the neutron node interface are in promisc mode ?

oot at os-network:~# netstat -i
Kernel Interface table
Iface   MTU Met   RX-OK RX-ERR RX-DRP RX-OVR    TX-OK TX-ERR TX-DRP 
TX-OVR Flg
br-ex      1500 0        11      0      0 0             8 0      0      
0 BRU
br-int     1500 0        22      0      0 0             8 0      0      
0 BRU
br-tun     1500 0         0      0      0 0             8 0      0      
0 BRU
eth0       1500 0     12199      0      0 0          3959 0      0      
0 BMRU
eth1       1500 0      1338      0      0 0          1940 0      0      
0 BMRU
eth2       1500 0         2      0      0 0            18 0      0      
0 BMRU
eth3       1500 0        15      0      0 0            17 0      0      
0 BMRU
eth4       1500 0         9      0      0 0            14 0      0      
0 BMRU
lo        65536 0        18      0      0 0            18 0      0      
0 LRU

Do you have any poitner or direction I can follow to troubleshoot this ?

Thanks already for your help

Cheers,

Olivier
-- 


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*Olivier Cant*, CEO | Gsm: +32(0)497/64.18.22
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