On 23/05/2024 20:18, Peter N. M. Hansteen wrote:
> On Thu, May 23, 2024 at 11:14:20AM +0200, Why 42? The lists account. wrote:
>> I need to quickly create a solution for forwarding multicast traffic
>> between two systems, so I though perhaps I could use pf to do just that
>> by writing some rules along the lines of:
>>
>> 1. pass in on iface A proto UDP ... tag mcast
>> 2. pass out on iface B tagged mcast
>>
>> And another pair of rules for the reverse direction B -> A.
>>
>> (Obviously I'd add more options to filter specific addresses, etc.)
> Possibly stupid question, but did you set the sysctl(s) to enable forwarding?
>
> $ sysctl net.inet.ip.forwarding
>
> and
>
> $ sysctl net.inet6.ip6.forwarding
>
> will provide the answer (as in, if those values are not 1, forwarding
> between interfaces is not enabled)
>
>
And there is also mforwarding
net.inet.ip.forwarding
net.inet.ip.mforwarding
net.inet6.ip6.forwarding
net.inet6.ip6.mforwarding
G
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