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https://issues.apache.org/jira/browse/CLOUDSTACK-9745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajani Karuturi updated CLOUDSTACK-9745:
----------------------------------------
Fix Version/s: (was: 4.10.0.0)
4.10.1.0
> IPtable nat rules are not cleaned up on router, post disabling static nat on
> Public IP
> ---------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-9745
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9745
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Affects Versions: 4.9.0.1
> Reporter: DeepthiMachiraju
> Labels: pvr
> Fix For: 4.10.1.0
>
> Attachments: cloudlog.txt
>
>
> - Navigate to network and acquire a new Public IP.
> - Enable static nat , and assign a guest VM to the IP.
> - Ensure the Nat rules are updated accordingly in the router.
> - Now Disable the static nat on public IP.
> Observation :
> - IPtable Nat rule are still populated with disabled Public IP entries .
> Check the IP at eth2 and PostRouting chain . ( 10.147.30.112 is the source
> nat IP and 10.147.30.113 , 10.147.30.114 are the acquired IP's.)
> - The rules are cleared only , after the network is restarted with clean up
> option enabled.
> =====================================================
> root@r-203-VM:~# ip a
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> inet 127.0.0.1/8 scope host lo
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP
> qlen 1000
> link/ether 02:00:76:12:00:02 brd ff:ff:ff:ff:ff:ff
> inet 10.1.1.1/24 brd 10.1.1.255 scope global eth0
> 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP
> qlen 1000
> link/ether 0e:00:a9:fe:00:4a brd ff:ff:ff:ff:ff:ff
> inet 169.254.0.74/16 brd 169.254.255.255 scope global eth1
> 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP
> qlen 1000
> link/ether 06:77:36:00:00:0d brd ff:ff:ff:ff:ff:ff
> inet 10.147.30.112/24 brd 10.147.30.255 scope global eth2
> root@r-203-VM:~#
> root@r-203-VM:~# iptables -t nat -L -v
> Chain PREROUTING (policy ACCEPT 3 packets, 204 bytes)
> pkts bytes target prot opt in out source
> destination
> 4 240 DNAT tcp -- eth2 any anywhere
> 10.147.30.112 tcp dpt:ssh to:10.1.1.13:22
> 0 0 DNAT tcp -- eth0 any anywhere
> 10.147.30.112 tcp dpt:ssh to:10.1.1.13:22
> 0 0 MARK tcp -- eth2 any anywhere
> 10.147.30.112 tcp dpt:ssh MARK set 0x2
> 0 0 CONNMARK tcp -- eth2 any anywhere
> 10.147.30.112 tcp dpt:ssh state NEW CONNMARK save
> Chain INPUT (policy ACCEPT 3 packets, 204 bytes)
> pkts bytes target prot opt in out source
> destination
> Chain OUTPUT (policy ACCEPT 10 packets, 665 bytes)
> pkts bytes target prot opt in out source
> destination
> 0 0 DNAT tcp -- any any anywhere
> 10.147.30.112 tcp dpt:ssh to:10.1.1.13:22
> Chain POSTROUTING (policy ACCEPT 0 packets, 0 bytes)
> pkts bytes target prot opt in out source
> destination
> 257 17134 SNAT all -- any eth2 anywhere anywhere
> to:10.147.30.112
> 0 0 SNAT tcp -- any eth0 10.1.1.0/24 newv1
> tcp dpt:ssh to:10.1.1.1
> 0 0 SNAT all -- any eth2 anywhere anywhere
> to:10.147.30.113
> 0 0 SNAT all -- any eth2 anywhere anywhere
> to:10.147.30.114
> ==========================================================
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