[rhos-list] IPTables question.

Minton, Rich rich.minton at lmco.com
Mon Mar 11 13:27:58 UTC 2013


I'm looking at the iptables for both my controller node and compute node and I see something that doesn't seem right.  In the "nova-network-POSTROUTING" NAT chain I have the same hostname as the destination on both nodes. I have Nova Network running on both nodes so I would think that the destination hostname would equal the hostname that nova-network is running on, i.e., the destination hostname on the compute node should be uvslp-diu05os and not be the same as on the Controller node. Can anyone tell me if this is the case?


(Controller Node, hostname uvslp-diu04os - "iptables -t nat -L)

Chain nova-network-POSTROUTING (1 references)
target     prot opt source               destination
ACCEPT     all  --  10.10.18.0/24        uvslp-diu04os.lmdit.us.lmco.com
ACCEPT     all  --  10.10.18.0/24        10.10.18.0/24       ! ctstate DNAT



(Compute Node, hostname uvslp-diu05os - "iptables -t nat -L)

Chain nova-network-POSTROUTING (1 references)
target     prot opt source               destination
ACCEPT     all  --  10.10.18.0/24        uvslp-diu04os.lmdit.us.lmco.com
ACCEPT     all  --  10.10.18.0/24        10.10.18.0/24       ! ctstate DNAT



Thank you,
Rick
Richard Minton
LMICC Systems Administrator
4000 Geerdes Blvd, 13D31
King of Prussia, PA 19406
Phone: 610-354-5482

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