Problem with ipfw table add 0.0.0.0/8

Andreas Nilsson andrnils at gmail.com
Sat May 17 15:14:16 UTC 2014


On Sat, May 17, 2014 at 3:44 PM, Alexander V. Chernikov <
melifaro at freebsd.org> wrote:

> On 13.05.2014 16:05, Dennis Yusupoff wrote:
>
>> I think that universal table for all kind of data (ipv4, ipv6, ports,
>> etc) is a bad idea by design. At least unless you haven't any ability to
>>
> It is not always "universal" in kernel.
> Actually, different radix tables are used to store both IPv4 and IPv6 in
> single table.
>
>  specify address family on add, to avoid attempts to guess what user
>> meant. Something like "ipfw table X add DEEF.DE ipv6".
>>
> I'm going to add explicit table type/naming setup soon.
> Idea is the following:
>
> 1) Existing table can be named and addressed by either number or name.
> However, you still need to assign table number manually.
>
> 2) Table type/name can be specified explicitly via one of the following
> commands:
> * ipfw table 1 create [type <cidr|u32|ifindex|iface>] [name "table_name"]
> * ipfw table <num|name> name "table_name"
> * ipfw table "table_name" type <cidr|u32|ifindex|iface>
>
> 3) ipfw(8) stops trying to guess appropriate type based on used value.
> Instead,
> it requests table type from kernel and interprets value according to
> returned type.
> Default type for all tables is cidr
>
> 4) Table(s) can be returned to default values using ipfw table
> <num|all|name> destroy.
> Destroy means:
> * flush
> * table tries (or other structures) freed
> * type set to cidr
>
>
>
>
>>
>> 13.05.2014 14:32, Alexander V. Chernikov пишет:
>>
>>> On 13.05.2014 13:46, Dennis Yusupoff wrote:
>>>
>>>> May be this will help? See answer on
>>>> http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/189471
>>>>
>>> I'll try to fix it within a few days.
>>>
>> Fixed in r266310.
>
> With all of these changes, would it be possible to get tablearg to store
ipv6 as well? I seem to remember it is 32bit only today.

Best regards
Andreas


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