As already suggested by another response, from a networker perspective, you
have a huge, flat network. Can you provide some detail for your use case?
On April 20, 2023 4:02:03 AM MDT, Samuel Jayden <samueljaydan1...@gmail.com>
wrote:
>Yeah. Thanks. It worked.
>
>deich...@placebonol.com <deich...@placebonol.com>, 19 Nis 2023 Çar, 17:17
>tarihinde şunu yazdı:
>
>> OpenBSD tries to limit the amount of knob tuning, people tend to shoot
>> themselves in the foot when they start playing with knobs.
>>
>> However you can always compile your own kernel with the information
>> provided.
>>
>> On April 19, 2023 2:12:00 AM MDT, Samuel Jayden <
>> samueljaydan1...@gmail.com> wrote:
>> >Sincerely thank you David for your answer,
>> >I hope you may consider committing it to src and I kindly say that it
>> would
>> >be perfect if this max cache size limit value was tied to a sysctl
>> >parameter.
>> >
>> >David Gwynne <da...@gwynne.id.au>, 19 Nis 2023 Çar, 02:30 tarihinde şunu
>> >yazdı:
>> >
>> >> On Tue, Apr 18, 2023 at 07:51:08PM +0000, Samuel Jayden wrote:
>> >> > Hello,
>> >> > I have one veb interface in OpenBSD 7.2 and 5 ethernet ports are
>> paired
>> >> > with this veb. As I understand from the ifconfig output, 4096 mac
>> address
>> >> > cache values can be kept in this veb interface .
>> >> >
>> >> > ifconfig veb10
>> >> > veb10: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>
>> >> > index 12 llprio 3
>> >> > groups: veb
>> >> > em3 flags=3<LEARNING,DISCOVER>
>> >> > port 4 ifpriority 0 ifcost 0
>> >> > em0 flags=3<LEARNING,DISCOVER>
>> >> > port 1 ifpriority 0 ifcost 0
>> >> > em1 flags=3<LEARNING,DISCOVER>
>> >> > port 2 ifpriority 0 ifcost 0
>> >> > ix3 flags=3<LEARNING,DISCOVER>
>> >> > port 8 ifpriority 0 ifcost 0
>> >> > ix2 flags=3<LEARNING,DISCOVER>
>> >> > port 7 ifpriority 0 ifcost 0
>> >> > Addresses (max cache: 4096, timeout: 240):
>> >> > 2c:f0:5d:73:f8:c4 em1 0 flags=0<>
>> >> > ....
>> >> >
>> >> > When I tried to extend this limit value with the command "ifconfig
>> veb10
>> >> > maxaddr 4097", I got the following error message:
>> >> > "ifconfig: veb10: Invalid argument"
>> >> > The maximum value I can give without this error message is 4096. Isn't
>> >> this
>> >> > value a bit narrow?
>> >>
>> >> maybe. it seemed pretty high when i made it up.
>> >>
>> >> > I have tested that the mac addresses of the connected devices are not
>> >> > recorded in the veb interface after exceeding the limit.
>> >> >
>> >> > I want to switch from Cisco device to OpenBSD in a place where there
>> are
>> >> > more than 8 thousand MAC addresses, but I need to exceed this max
>> cache
>> >> > size value.
>> >> > How can I increase this max cache size value 8192 or higher value?
>> >>
>> >> you change 4096 to a bigger number in the code.
>> >>
>> >> Index: if_etherbridge.c
>> >> ===================================================================
>> >> RCS file: /cvs/src/sys/net/if_etherbridge.c,v
>> >> retrieving revision 1.7
>> >> diff -u -p -r1.7 if_etherbridge.c
>> >> --- if_etherbridge.c 5 Jul 2021 04:17:41 -0000 1.7
>> >> +++ if_etherbridge.c 19 Apr 2023 02:25:54 -0000
>> >> @@ -675,7 +676,7 @@ int
>> >> etherbridge_set_max(struct etherbridge *eb, struct ifbrparam *bparam)
>> >> {
>> >> if (bparam->ifbrp_csize < 1 ||
>> >> - bparam->ifbrp_csize > 4096) /* XXX */
>> >> + bparam->ifbrp_csize > 16384) /* XXX */
>> >> return (EINVAL);
>> >>
>> >> /* commit */
>> >>
>>
