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Managing /30 Subnets

We use IPAM to keep track of what subnets we use, as well as what addresses in each subnet we use. We even manage /30 WAN, etc subnets. Of course they show up as 100% in use. Does anyone have advice on being able to have in IPAM that those subnets are in use, but not have them show up as alarms because they are 100% in use?

Thanks,
JD

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Accepted answers

romkon

To hide such subnets from IPAM Summary page 'Top 10 Subnets by % IP Address Used' specify filter Subnet.CIDR < 30

Similar filter can be used in Advanced Alert Manager to disable alerting on /30 subnets.

You can also, and this option is a bit dirty, put subnet address and broadcast address into available state which will affect calculation and report 50% usage then.

All comments

romkon

To hide such subnets from IPAM Summary page 'Top 10 Subnets by % IP Address Used' specify filter Subnet.CIDR < 30

Similar filter can be used in Advanced Alert Manager to disable alerting on /30 subnets.

You can also, and this option is a bit dirty, put subnet address and broadcast address into available state which will affect calculation and report 50% usage then.

jasadelll

I love complete and effective answers. Thank you romkon.