Github user ProjectMoon commented on a diff in the pull request: https://github.com/apache/cloudstack/pull/1908#discussion_r106857110 --- Diff: server/src/com/cloud/network/router/CommandSetupHelper.java --- @@ -848,13 +849,37 @@ public int compare(final PublicIpAddress o1, final PublicIpAddress o2) { associatedWithNetworkId = ipAddrList.get(0).getNetworkId(); } + // for network if the ips does not have any rules, then only last ip + List<IPAddressVO> userIps = _ipAddressDao.listByAssociatedNetwork(associatedWithNetworkId, null); + + int ipsWithrules = 0; + int ipsStaticNat = 0; + for (IPAddressVO ip : userIps) { + if ( _rulesDao.countRulesByIpIdAndState(ip.getId(), FirewallRule.State.Active) > 0 ) { + ipsWithrules++; + } + + // check onetoonenat and also check if the ip "add":false. If there are 2 PF remove 1 static nat add + if (ip.isOneToOneNat() && ip.getRuleState() == null) { --- End diff -- Similar to the comments about checking if `lastIp` isn't null, I find that checking rule state to be null is a bit ... obscure. What is null supposed to mean in this context? It seems the `rule_state` column is only changed to `Releasing` when releasing an IP and nothing else. I guess that's intentional?
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