** Changed in: quantum/folsom
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1083990
Title:
Quantum-l3-agent leaves multiple NAT rules for same floating IP
Status in OpenStack Quantum (virtual network service):
Fix Released
Status in quantum folsom series:
Fix Released
Bug description:
System info:
Fedora 17 with Folsom and quantum (no nova-network). The system uses
linuxbridges and network namespaces, running the RPMs from Fedora 17 Folsom
repository.
In the external router namespace, the quantum-l3-agent-* tables don't
get their floating IP info purged properly. This seems to happen at
least when reassigning an already assigned address. Example iptables
rules where both 192.168.1.9 and 192.168.1.10 have the same floating
IP rules, even if the IP isn't assigned anymore
-A quantum-l3-agent-OUTPUT -d 193.166.3.246/32 -j DNAT --to-destination
192.168.1.9
-A quantum-l3-agent-OUTPUT -d 193.166.3.246/32 -j DNAT --to-destination
192.168.1.10
-A quantum-l3-agent-POSTROUTING ! -i qg-4b8931da-6b ! -o qg-4b8931da-6b -m
conntrack ! --ctstate DNAT -j ACCEPT
-A quantum-l3-agent-PREROUTING -d 193.166.3.246/32 -j DNAT --to-destination
192.168.1.9
-A quantum-l3-agent-PREROUTING -d 193.166.3.246/32 -j DNAT --to-destination
192.168.1.10
-A quantum-l3-agent-float-snat -s 192.168.1.9/32 -j SNAT --to-source
193.166.3.246
-A quantum-l3-agent-float-snat -s 192.168.1.10/32 -j SNAT --to-source
193.166.3.246
-A quantum-l3-agent-snat -j quantum-l3-agent-float-snat
-A quantum-l3-agent-snat -s 192.168.1.0/24 -j SNAT --to-source 193.166.3.245
quantum floatingip-list
which: no gedit in
(/usr/lib64/qt-3.3/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin)
which: no kate in
(/usr/lib64/qt-3.3/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin)
+--------------------------------------+------------------+---------------------+---------+
| id | fixed_ip_address |
floating_ip_address | port_id |
+--------------------------------------+------------------+---------------------+---------+
| 7aba3f04-ecfe-4f3b-94fd-50df7232b283 | | 193.166.3.246
| |
+--------------------------------------+------------------+---------------------+---------+
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