Hello.
I am running 2.1-RELEASE (built on Wed Sep 11 18:16:44 EDT 2013),
which I believe includes the fix for the bug documented here
https://redmine.pfsense.org/issues/2406, according to the release
notes at https://redmine.pfsense.org/versions/5.
In that ticket, it says:
> You can't remove the last IP alias on the subnet of a CARP IP because it'll
> break CARP, you have to delete the CARP IP first. The only exception being
> when the interface IP is on the CARP IP's subnet, which is also handled
> correctly.
I believe I meet the "only exception" clause, since my WAN interface
is configured for the same subnet of the CARP address.
I have the following configuration:
```
<interfaces>
<wan>
<enable/>
<if>em5</if>
<descr><![CDATA[WAN]]></descr>
<blockpriv/>
<blockbogons/>
<spoofmac/>
<ipaddr>2.2.2.1</ipaddr>
<subnet>28</subnet>
<gateway>WANGW</gateway>
</wan>
</interfaces>
<virtualip>
<vip>
<mode>carp</mode>
<interface>wan</interface>
<vhid>2</vhid>
<advskew>0</advskew>
<advbase>1</advbase>
<password>bbbbbbbb</password>
<descr><![CDATA[CARP]]></descr>
<type>single</type>
<subnet_bits>28</subnet_bits>
<subnet>2.2.2.9</subnet>
</vip>
<vip>
<mode>ipalias</mode>
<interface>wan</interface>
<descr><![CDATA[Alias]]></descr>
<type>single</type>
<subnet_bits>28</subnet_bits>
<subnet>2.2.2.10</subnet>
</vip>
</virtualip>
```
However, I cannot delete this IP Alias, being given the message "This
entry cannot be deleted because it is still referenced by a CARP IP
with the description Alias." Of course, there is no CARP address with
that description, so it seems to be referencing the Alias itself!
It's interesting to note that the `<subnet>` element of the WAN
interface is `28`, where the similarly named element of the VIP
address is `2.2.2.10`, but the `<subnet_bits>` does match the
`<subnet>` element of the interface.
Does anyone know a workaround so that I can delete this IP Alias?
Thanks!
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